Luận án Xử lý tổng hợp tài liệu địa vật lý vùng thành phố Hồ Chí Minh

O'ng khoang2-4km so vdi canh Tay B~e va n~mamue 34-38km. Tll'dng t\f, m6ng Conradn~ma dQSail16-18kmsovdi 14-16kmacanhTay Nam.M?t m6ngke'ttinh c6chi€u hll'dngh1;ltha'pt1;licanhDongNamvae6th~d1;ltde'ngiatri6-8km. 3.3.2Ke'tquatai li~ndosandi~n: Caetai li~udoSaildi~nph\leV\lchoeongtaedove l~pband6diaeha't,dia eha'teongtrInh,diaeha'thuyvanvaHmkie'mkhoangsanvongThanhphO'H6 Chi Minhdll'Qeth\fehi~ntitnam1984de'ncuO'inam1986,vadadll'Qct6ngke'tnQpvao lu'utrii'nam1987,tai li~uthoth~pvaothdidi~md6 dll'Qcth\fehi~ntrencaemay.. th~ dodi~nthuQcthdiky diu cuathe'h~mdi,taili~uth\fcte'dambaadll'QedQtin c~ydn thie't.M?c dobi h<;tnehe'v€ giaothong,amQtsO'vongkhongth~bO'tricae, di~mdoSaildll'QC,toynhien,vaothdidi~md6,mucdQphattri~ndo thicuacac vongngQaithanhchll'acao,nhi6ueongnghi~pchll'anhi€u vad?cbi~tla d mQtsO' vungngo1;lithanhdancll'canthll'athdt,d6la cacthu~nlQichovi~cthoth~ptaili~u th\fcte'.Di€u naykhongd6 danggl th\fchi~ndll'QctrongbO'idnh phattri~ncua ThanhphO'tronggiaido1;lnhi~nnay. MQttrongcach1;lnche'trongvi~cxU'ly vaphanrichtaili~u vaothdidi~md6 la: Cacchll'dngtrlnhHnhroanvaphanrichtai li~ucanch1;lytrencacmayHnh!dn IBM360atrungtamHnhroanvdi cacblad\lc16,ky thu~tHnhroancann?ngn€, m?cdov€ m~tIy thuye'tll'dngdO'ihoanchinh,nhu'ngkhananggiaodi~ntn!ctie'p giii'angll'oivamaychll'ath\fchi~ndll'Qc,dov~y,vi~cxU'ly cacdll'ongeongdoSail chuye'udll'Qcth\fchi~nb~ngraytrencacmayHnhrayvaphanrichtrencaePaler3 NRuvJnNgocThu-LuananTiin 81Vatly .;r 81 lOp,khanangdiSuchlnhmQtcachlinhho~tcacthams6 chi ph6idangdi~ucac duC5ngcongdosailn1th~nche',ke'tquaconnhiSusais6t.Vdi cacky thu~tvaphan tichtai1i~unhuv~y,cacnhi~mvl,lditd~tfa chuaduQcdapungmQtcachtrQnVyn. Cacke'tquathvchi~nduQctronggiaido~nd6 1a:Dit phanchiacact~ptrgmtich trongKainozoi,lien ke'tDia tgnggiuacac16khoan,khoanhdinhranhgidinhi€m m~ncuacacdng nudcvad~cbi~t1aditveraduQcdiahlnhbSm~tm6ngKainozoi trenph~mvi Thanhph6H6 ChiMinhmachode'nngaynayv~nconduQcslfdl,lng trongnhiSutai1i~udiachtt.Vdi cacke'tquaditd~tduQCnhuv~y,nhungvi~ckhai thaccacthongtintrencactai1i~uDia v~t19v~nconnhiSugidih~n.Xii'19cactai 1i~uDiav~t19ditc6trencosacaccongngh~vaky thu~thi~nd~i1an6iniSmduQc tputu1aunaycuatacgia,vad6clingchinh1amQttrongcacnguyennhancuadS taixii'19-t6nghQptai1i~uDiav~t19vungThanhph6H6 ChiMinh. 3.3.3Tai li~uKarotaz: CacphuongphapDia v~t1916khoanduQcungdl,lngkhaph6bie'ntrongcac 16khoannghienCUllDia chttcongtrlnhvaDia chttthuyvantrongnhiSugiaido~n, v!Jfhongth€ thie'uduQctrongcac16khoannghienCUllke'thQpthlfchi~ntrongdS taidove l~pband6 Dia chttd 1~1/50.000vungThanhph6H6 Chi Minh.C5vao thC5idi€m d6,cactr~mdoKarotazchuye'uduQcsanxutt tULien Xo cli ho~ccac nudctrongkh6iCEPT. Cactr~mdothC5id6thuQcthC5iky dgucuathe';~mdi,vi~c doghiduQcthvchi~nhO~llltO~lllt fdQngvdicacthie'tbi di~ntii',baadamdQchinh xacdn thie'tva1amQtngu6nthongtinquailtrQngtrongvi~cxacdinhranhgididia tgng,phanchiacact~ptrgmtichc6cactinhchttv~t19khacnhaudQctheothanh16 khoan.Cac phuongphapduQcsii'dl,lngph6bie'nla: Phuongphapthe'thiennhien, phuongphapgammatv nhienvaphuongphapdi~ntra.Vdi cacthongtinghinh~n duQcbai cacphuongphapnay,c6 th€ chophepphanchiacactgngnudcnggmc6 cacd~ctrungvS t6ngdQkhoangboakhacnhautrongvi~cxacdinhvaphanchia cacdng nudcm~n,ngQt.Vi~cphantichcactai 1i~uKarotaz,chuye'uduQcthlfc hi~nb~ngtay,b~ngcachthanhl~pcacd6 thibi€u di€n tinhchtt v~t19ghinh~n NguylnNgocThu-LuananTie'nSfVatly #' 82 du'<;fcbaicacphu'ongphap,dQctheocQtDia t<lng16khoan,dangdi~ucuacacd6thi gamma,cu'CingdQdi~ntrasua't,giatridi~nthe'tvnhiencuacact<lngiilpchovi~c xacdinhkhachinhxacranhgiditvnhiengifi'acact~ptr<lmtich. 3.4 xis LY TONG H{jP TAl LIEU DJA V~T LY Nhu'dadu'<;fCd€ c~p,mi;icdli cacd~ngtai1i~uDia v~t19co trenvlingThanh ph6H6 ChiMinhkhaphongphil,nhu'ngra'ttanm~nvah<luhe'td€u a cacdi~nhyp, vI v~y,1u~nvannaychIt~ptrungvaoviecxU'19vaphantichcacad 1i~usail:tai 1i~utrQng1vcd 1~1/500.000,tai 1i~ubaydotuhangkh6ngd 1~1/200.000,tai li~u karotazvadi;icbi~t1atai1i~udoSaildi~n.Cactai1i~ukhacchIcogiatri thamkhao trongquatrlnht6ngh<;fpnensekh6ngdu'<;fcd~c~pde'ntrong1u~nvannay. 3.4.1Cae tham s6Dfa V~Hly: Chode'nnay,v§:nchu'acomQtc6ngtrlnhnaot6ngh<;f1lmQtcachd<lyducac thamso'Dia v~t 19vlingThanhph6H6 ChiMinh.Trencosakinhnghi~mclingvdi cacs6li~utanm~nthuth~pdu'<;fc,co thJ neuramQtso'di;icdiJm cacthamso'Dia v~19cuacacda'tdacomi;itrendiabanThanhph6nhu'sail:" Thamgiavaotrongthanhph<lndiacha'tcuaThanhph6H6 Chi Minhcocac thanht~obarCii,gilnke'tye'uchode'ncacdamongdn chilcvdi cacdi;icdiJm v~ mi;itthamso'nhu'sail: 3.4.1.1Thams{/m9tdi}:m~tdQcuacacthanht~obarCiithayd6i trongmQt ph~mvi kharQngvakhacbi~tdangkJ gifi'acactr~ngthaikhacnhau:DungtrQng kh6cuacacthanht~onaytu'ongd6inhovadaodQngtrongmQtgidih~ntu'ongd6i rQngph\!thuQcvaothanhph<lnv~tcha'tcuacacthanht~o.Ne'unhu'dungtrQngkh6 cuacacthanht~ocatbQtsetva setbQtchI daodQngtrangkhoang1,62de'n1,83 g/cm3thldungtrQngkh6cuacacthanht~ocats~nsoiphabQtsetdaodQngtrong khoang1,44-1,75g/cm3.Trangkhido,dungtrQngtVnhiencuacactr<lmtichh~tth6 catbQtsettu'ongd6i6ndinhvathayd6itrongkhoang2,01de'n2,11g/cm3, cuaset bQtthayd6itU1,61-2,15g/cm3. Nguy~nNgoc Thu-Luanan Tie'nsf Vat ly .j( 83 Khacvdi cactr~mtichbardi,m~tdQcuacacdamongtu'ongd6i !dnvadao dQngtrongkhoangtu 2,4g/cm3tu'onglingvdi cacda tr~mtichthuQch~dog La Ngachode'n2,9g/cm3tu'onglingvdicacdaxamnh~p. Slf chenh l~chkha !dn v€ m~tdQ (dungtrQngtlf nhien) cua cac thanht<;to tr~mtich va m~tdQ cua cac da mong la ti€n d€ thu~nIQi cho vi~cap dl;1ngcac phu'ongphaptach!dptrencosatai li~utrQnghfctrongvi~cxacdinhchi€u sailcua dogdamong;ne'unhu'kh6ngche'du'Qcstfphanb6cuacacthanht<;todamongkhac nhautheocactai li~ukhac.Tuynhien,ra'tkhongmayla: tai li~utrQngllfcco lien quande'ndi~ntichThanhph6chitu'onglingvditll~ 1/500.000,di;icbi~tla cacdi~m dophanb6ra'tkhongd6ngd€u, nhi€u di~ntichconbo tr6ng,nentai li~utrQngIlfc chicoth€ du'QCsad\mgmQtcachh<;tnche'trongvi~cphanvungca'utruc. Clingdn noi themding:chode'nnay,v~nconkhongit ngu'dingQnh~nv€ thamso'm~tdQdu'QCsa dl;1ngtu'onglingvdi cacthanht<;toba rdi trongvi~cphan tichtai li~utrQngllfc. Trongphantichtaili~utrQngIlfc,thamso'co tinhcha'tquye't dinhde'ngiatri tru'dngtrQngllfcquansatdu'Qcla m~tdQcuacacda'tdatrongtr<;tng th1itlfnhien-tqngthaidangchiph6igiatri tru'dngquansattrongthtfcte'.Ne'unhu'- d6ivdicacthanht<;tog~nke'tr~nch~c,giatrim~tdQthamso'm~tdQdodu'Qctrong phongthi nghi~mkhongkhacbi~tnhi€u l~msovdi di€u ki~nttfnhiendodQ16 h6ng,dQx6pkhanho,mi;icduthamso'nayconbi chiph6ibai cacye'uto'chung quanhcuamoitru'dngnhu':apsua't,nhi~tdQ,dQ<fm,...,nhu'ngmucdQchenhl~ch saikhackhongdangk~,thld6ivdicacthanht<;tobardi,thamso'quye'tdinhde'ngia tritru'dngquansatdu'Qcl<;tila dungtrQngtlfnhiendu'Qcxacdinhtrongdi€u ki~nva moitru'dngthlfcte',bdi Ie trongtr<;tngthaitlfnhiendu'dinhi~tdQ,apsua'tvadQ<fm cuamoitru'dnghoantoankhacvdicacdi€u ki~ntrongphongthinghi~m,di;icbi~t la tinhtru'ongndcuamQtvai lo<;tisetcohamlu'Qngcackhoangv~tmomorilonitcao, dov~y,dungtrQngtlf nhienxacdinhtrongphongthi nghi~mco th~sekhachon nhi€u sovdi thlfcte'. NguyJnNgocThu-LuananTitn sf Vatly fj'. 84 3.4.1.2Cl1i1ngdQph6ngXfJ:Cacda'tdaco m~ttrendiabanThanhph6co ho<;ttHnhphongXq.tu 0 chodenra'ttha'p,d~cbi~t1acac thanht<;totrongKainozoi. Cae thanhtfJOtram rich biJ rili: tinh phongXq.cua cac thanhtq.oba rdi 1a tha'pnha't,trungblnhvaokhoang10IlR/hva daodQngtrongkhoangtu 5 choden 15IlR/htu'dnglingvoi cactdm tichh<;tttho,giatri nayt11~nghichvoi thanhph~n dQhq.tcua cac thanhtq.o,cu'dngdQphongx<;tcua cac thanht<;tohq.tmill tu'dngd6i cao, trung blnh vao khoang 20IlR/h va dao dQngtrong khoang tU 15 cho den 30IlR/h.St;t'khacbi~tkhar6r~tv6hoq.tinhphongXq.cuacact~ptr~mtichhq.tho vahq.tmill,clingnhu'm6iquailh~giii'athanhph~ndQhq.tcuacact~ptdm tichva cu'dngdQphongXq.ghinh~ndu'<;fCtrongcacthanhtq.Obardi thuQcKainozoilacdsa chovi~cphanchiat11~ph~ntramdQhq.tva ranhgioi giii'acact~ptr~mtichkhac nhautheotai li~uDia v~tly 16khoan. CaethanhtfJOreinchileeuatangdam6ng:cohoq.tHnhphongXq.tangd~ntu cacdaphuntraoAndesitthuQch~t~ngLongBlnh,cacda tr~mtichJurathuQch~ tfingLa Ngachodencacdamagmaxamnh~p,trungblnhkhoang5-15IlR/h tu'dng u~9.i°icacdaandesit,4-12IlR/hd6ivoi cacdatr~mtichJuratuythuQcvaothanh ph~nth<;tchhQcho~csetbQtketho~ccatbQtket.Cu'dngdQphongXq.cuacacthanh t<;toxamnh~pla caohdnca,giatri thallis6nayco th~ghinh~ndu'<;fCdenkhoang vai chl;lCIlR/h tuy thuQcvao cacthanht<;tokhacnhau. Nhgnxet:Trencdsacacd~ctru'nghinh~ndu'<;fctheotai li~uKarotazphong Xq.,co th~nh~ntha'ymQtcachra'tr6 r~tr~ng:cu'dngdQphongx<;tcuacacthanhtq.o tdm tich trongKainozoi t11~nghichvoi thanhph~ndQh<;tt cua chung,do 1amQt trongcac da'uhi~uma tu 1aunay vftndu'<;fccac nhaDia v~t1yva Dia cha'tsa dl;lng trongvi~cphanchiacact~ptrfimtich.Cact~ptr~mtichsethq.tmill thu'dngcogia tricu'dngdQphongx<;tkhacao,d~cbi~t1at<;timQts616khoan,cu'dngdQghinh~n du'30IlR/h,di6udo,chophepngu'diphanHchnh~ndi~nkhar6 rangvachinhxacst;t'hi~ndi~ncuacact~ngsettrongCQtdiat~ng16khoantrencd sabi~ud6Karotazghinh~ndu'<;fc.Trongcac cQtdiat§ng16khoanvungThanhPh6 NguyJnNgoeThu-LuananTitn sf VattV --. 85 H6ChiMinh,cohait~ptrihntkh h~tminhi~ndi~nkhaph6bienvad~etHing,co cu'ongdQphongx~vu'<;fttrQisovdicaet~ptdm tichkhac,dola tr~mtichsetn~md noet~ptr~mtkh N22va t~ptr~mtkh h~tmind eu6iehuky tr~mtkh Qt2-3. Day la hait~ptr~mtkh cod~etru'ngv€ eu'ongdQphongx~dangehuyvacoth€ du'<;fexem 1at~ngdaubda'udu'<;fesad\!ngtrongvi~cphanehiavalienketdiadog giuacae16 khoandtfatrencaed~edi€m v€ eu'ongdQphongx~.Di€n hlnhehovi~ematanay la thietd616khoan810vathietd616khoan827trongtrangsau(h.3.1,h.3.2). 3.4.1.3Thamsata:h~ubetcaethanht~otr~mtkh trendiabanThanh ph6,tucaetr~mtkh bdroi dencaedatdm tkh d€u khangco tudoh. Caedaphun traoandesitvacaedaxamnh~pcotuHnhyelldentrungblobeu'ongdQtuearnva tuboadu'khoangvai tramehoden1000donvi 10-6CGSM, trongdo caedaxam nh~pla co giatri IOnhonea,h~ubetcaedi thu'ongtunhahi~ndi~ntrendi~ntkh euaThanhph6H6 ChiMinhd€u colienquaildencaeth€ magmanay. 3.4.1.3Thamsa ta:h~ubetcaethanht~otr~mtkh trendiabanThanhph6, tucaetr~mdehbdroi dencaedatdm dehd€u khangcotuHuh.Caedaphuntrao.. an~it vacaeda xamnh~pco tudnhyell dentrungblobeu'ongdQtuearnva tu boadu'khoangvai tramehoden1000donvi 10-6CGSM, trongdocaedaxamnh~p la co giatri IOnhonca, h~ubetcaedi thu'ongtUnhahi~ndi~ntrendi~nticheua Thanhph6H6 ChiMinhd€u colienquaildencaeth€ magmanay. 3.4.1.4Thamsffdi~ntrasuat:dayla thamso'co Hnhquyetdinhdendang di~ucaedu'ongeongdosaudi~n.Nhu'dabiet,giatqdi~ntrdsua'teuacaethanht~o ph\!thuQevaocaeyell to'ehinhsauday: -Thanhph~nthl;tchQe -DQg~nketo - DQr6ngvadQehuanu'de - D6i vdicaethanht~ox6pthlgiatq di~ntrdsua'tehuyell ph\!thuQevaodQ t6ngkhoangboaeuanu'dehuatrongchung. Nguyln Ngoc Thu-Luanan TieTzsf VatLV <if 86 ~ :: x: 1867581433 THIET1>0THUC TELO KHOAN 810-TP Toa do Y 1200724.~1. . . ~ Z: Nam2004 I"" . 10::1 ':: ,", .. ':' I"" '.:,"., :~~:t.'~c~:: ':,;.:.;.;,:~ ...,. " I'~:::::~:::: " L':-:':':':-:-: ------- ~,,~" " ,:-:-:-:-:-:-:-1 " t;:f,:-:';:;'::. " I:-;-;-:-~:-:; " I-:'~:-:;:-:-:. ~" ~. ---- HOC MaN - TP. H6 CHi MINH TY~ 1:500 """",,CONGCM"'A -Oommo(m,_) .. --_nom """"'mm) ""'" w~ "' I "" I ';;': I '::': I'::.. "'" ...:.. :, (", .. .. ;::J~ 01 ",01'.0 01!t;9 ".'1".'1' ~;I:: ,",...","'...'. 01 ;?":::t~;'~.'I'. "'.01'.0 @W. N2 1::::::::::::::1,m ------- I~,-,1".7 I'" t:':;;::::C:::: -.,:.-:-:i:-:'- "'.' I'.' I" ~:':-;-:-..:':1a Hlnh3.1 ~~ .. ""'A ro WQCDAm' 1 Cat bQImauxamlro 2 Sel mauxamxanh,nau do 3 Cat bol maunauvang, d6mxanh 4 Cal mlnmau nauvang 5 Bol sel 11mdo 6 Cat mlnmau nauvang 7 Set nauvang,d6mIrang 8 BQtmaunau vang,xamphdt11m 9 Cal maunau do 10 BQtchuasan mauxamtrang, nauva~g 11 Set mauxamphdtllm 12 BQtcMa Sansol 13 BQIchua II cat mau mau xamIrang. phatUm 14 Cat pha botmauxamIrang 0 96,7mchuy~nmau naudo 15 Cat xamsang 16 Cat san xamtrllng 17 Cat xamtro 18 Cat m;nxamtrllng 19 Cal bol nauvangdoi chi) chua cuoi 20 BQImauxamvang,xen il cat min 21 Calxamlro 22 Cat I~nsan soi cuQi,phabQt 23 BQImauxamtro 24 CuQisol 25 BQIxen kepcat mau xamlro, ohan lap mong 26 BQtmauxamsang 27 CuQIsoi, IMnh phan bQIkel 28 BQImauxamsang 29 Cat m;n!rungxamsang chuy~nxu6ngcat trungtho 30 Cat Irungtho IAnsan sol mau xamnau 31 Cat chua san soi mauxamxanh 32 Cal I~ncuQisan soi 33 CuQiketda khoang 34 BQIkel mauxamden. xanh luG tj'. Ngaykhaic6ng:12-11J-85 Ngay kat thue: 04-{)2-86 cAomoc 16'"0'" 87 THIET06 THt!CTEl() KHOAN 827-TP CAN GIO - TP. H6 cHi MINH TVL~ 1:500 "."".-"."..~ ~" "","G~CAro" '"D~G=ro" .. ., ';;" -Gommo(m,-I":" 1 ""I':' I'::'"I""I CO< I-I """"COOCD"'". ""'(~mml,.." ": .;: 'I ,. '"""""" (ml(ml.. " 1 Sel phabQIl<inII cal milu xamden :~ 2 Sel bQImiluxamden. t, = xamleo,m<iudeo quanh : 3 Sel bQIchlla cac 6 cat ': san miluxamden chlla II mOnIh~cval i 4 Sel bOlmiluxamdenchlla :, II mOnih~cval, vo so oc f 027 ~.~ ,m 5 Sel bQIphacal mauxam den >, : 6 Sel phabol chuVenxuongsel cat ! 01 phabQIma~xamxanh, loang100vilng: 7 Cat san sol - sel bQImilu ! xamIr~ngloangdomvilng -\ 8 Sel phabQIcat miluxam 1. Ir~ngphdllvc,loanglovang ':::::::::: <. ::::j:::: ,m 9 Cat IAnSansol, sel bQImauxamIr~ng . I:~-::~:' ~~:~:~:~: { 01 ,015,0 12 :~:~:~:~: ~~(;~I~~r:~~:~~habQI //::-. f .-:::;::;:' 11 Catlan san sol phabQIsel . '\:~I l : ~:,:~ ~~.i~~~f:;::nm""' f 93,73,016",'-'- cuQimauxamxanh ~ &~\ :: ~:::::1501chuVenxuongsan .:{h~~'. ..,.~..,~.".~... t ::: ~200:: ;CP{,m 1s::;'I;::::~0:r:a:al~a::d:a:nh ..u ":::::::::~ t 01"6 50 19 :~~:t:I 19CuQIsoi .., I ":'~::' :,> :':,'::- 20Sansolcatphabolmauxamsang '.U I ::~:i::;':;::i: r 127.10620 ~~~\i~\~l~~\~~~~;~~~":a:nsolphabQI :: ..,1,,1\!~U~\~jI k\\H\ \Ij\\\\ij\\\,~~~a~~~~:: hsOimauxam .~. 23 SQI sel miluxamxanh \. <' "~I 25Catmauxamvilng ') ma 26SelbQIphacalmauxamyang \, 27Calphabolmiluxamyang, ' '",::::, N2 28 San sol cal ph. bQImauxamxanh , ;.',',;,;,.;,;, ,,' '. '. '. - 29CalphabQlmauxam ,., ... " :'>:-~-:~ ',., , '~'._','-,' '_.'~'_" ,. ' " .. .. ~, I ;;}~~;; ::j:)J' I~~~~~~~n_~o~~~~~Q. se::~~~,... .;~-:;:-~; ,'.;, -u-. I" :.:-;.:.:.:. I I 12OO,oj11,3 30 Sel bQIchlla cal Sansoi mauxam - . ;::-- 33 Sel bQt,dilm san mau xam xanh Ivc, dom yang 32 Sel bol cal mauxanh Ivc, nAuyang 206,91 6,1-,' ~ .--- >- .f'm_, 34 Cat ", . I,','~," ..' ,,-, ~, N2 'm "":f,'..:1 moo , 35 Andeznxamxanh mU I. 1'".".. mo" ~ ~, " I,~. m ~o Hlnh 3.2 ow"', , cAcmOc c6""", """" ~ ~ =- 88 Vdi slfchiph6ithamso'di~ntrdsua'tcuacacthanht~obdicacye'ut6tren day,coth~noiding:trongcacthanht~obdroi,giatfidi~ntrdsua'tph\!thu9cm9t cachm~nhmevaot6ngd9khoanghoacuanu'dchliatrongchung.Co th~phan richm9tcachchitie'tcacd~ctru'ngdi~ntrdsua'tcuacacthanht~ocom~trendia banThanhPh6nhu'sau: Cac thanht~obd roi co m~ttrendiabanThanhph6H6 Chi Minh co tinh phannhipra'tr5 r~ttil'cact~ptr~mrichh~tthosangcactrim tichh~tmin.C9tdia t~ngt6ngquatcuacactrim richbdroi trongkhuvlfcThanhph6co th~du'Qcmota m9tcachkhaiquattil'trenxu6ngdu'dinhu'sau: 3.4.1.4.1Cae tramtfehHoloeen:hlnhthanhtronggiai do~nbi~nthoaiva bi~ntie'n,t6nt~itrongvungcodiahlnhtha'pvadu'Qchiathanhhaih~t~ng: . H~t~ngC~nGio: hlnhthanhtrongthaiky bi~nthoaico thanhph~nchu ye'ula: cat,catb9t,b9tcatvab9t.Cactr~mrichnaychuy~ntu'dngtUtrim tichyen bi~nchode'ntu'dngd6ngb~ngchillith6khidi tUC~nGio de'nCu Chi,dov~y,gia tridi~ntrdsua'tcuachungclingthayd6itu'angling,tunhohan1,0ohm.mchode'n ~~ohm.mtu'anglingvdicacthanht~onhi€mm~n,nhi€m phenchode'nkhoangvai ch\!cohm.mtu'angling vdi trilmrichthu9Ctu'dngd6ngb~ngchilli th6chlianu'dc ngQt. . H~t~ngBlnhchanh:du'Qchlnhthanhtronggiaido~nbi~ntie'n,co thanh ph~nchuye'ula b9tcat,b9tset,phanb6d vungd6ngb~ngtha'p,cogiatridi~ntrd sua'tkhanho,chi khoangvai ohm.mtrdl~itu'anglingvdi cacthanht~obi nhi€m phen,m~n. 3.4.1.4.2TramtfehPleistoeen:Cac tr~mrichPleistoceng6m3 nhipkhong oilyduthanhph~n,n~mngangho~cg~nngang,c6lienthongvdinhauv~m~thuy vanc6tu6itil'Pleistocenmu9nde'nPleistocensdm,tu'anglingvdi cach~t~ng:h~ tilngCuChi,h~t~ngThuDlic vah~t~ngTrangBorn. .H~dug Cu Chi:du'Qchiathanhhait~p,trongd6 t~ptrenchuye'ula h~t millvat~pdu'dichuye'ula h~tho:Gia tridi~ntrdsua'tu'anglingvdicacthanht~o NguvJn Ngoe Thu-Luanan Tie'nsf Vat ly ,;:. 89 naythayd6i trongmQtgiOih~nkharQng,tu vai tramohm.mdO'ivoi caet~ptdm tiehh~tthoehuamtoengQtehodenmQtvaiohm.mho~enhohOD1,0ohm.mtu'ong lingvoi caethanht~oehuanu'oem~n,trongkhido,caet~ptrilmtlchh~tmillcogia tri di~ntrdStitttu'ongdO'inhova it biendQnghall,chIdaDdQngtrongkhoang15 ohm.mtrdl~ivaeungbi chiphO'ibdi dQt6ngkhoanghoaeuanu'oeehuatrongdo theoguy1u~ttu'ongtvvoicaetrilmtlchh~tho. .H~dug ThuDue:cothanhphilnth~ehQetu'onglingvoi caethanht~oh~t tho,eungdu'Qehiathanhhait~p,trenvadu'oi,cogiatridi~ntrdStittthayd6itheo guylu~tu'ongtv nhu'caetrilmtlchthuQeh~dug n~mtrenno,d 1~ngiehvoithanh philndQh~tvat6ngdQkhoanghoaeuanu'oecotrongthanht~onay. . H~tilngTrangBorn:eungcothanhphilnth~ehQethayd6ituh~tmillden h~tthova giatri di~ntrdStitteuanoeungthayd6i theoguylu~ttu'ongtv voi h~ dngThuDue. 3.4.1.4.3CaetramtfehNeogen:Trongph~mvi ThanhphO'H6 ChiMinh,cae trilmtiehthuQeNeogendu'Qehiathanhhaih~dug: .- - . H~tilngBa Mieu: du'Qehiathanhhai t~p:t~ptrenco thanhphilnth~eh hQeehuyeula caetrilmtlchh~tmill,setbQtphanlOpmong,cogiatridi~ntrdStitt daDdQngtrongkhoang10-15ohm.mtrdl~i,d caevungehuam~n,giatq naygiam xuO'ngconvaiohm.m.Tilngdu'oitu'onglingvoi caethanht~otr~mtlchh~tthoco giatridi~ntrdStitteungbi khO'ngehebdicaeyeuto'theoguylu~tthongthu'dng. . H~dug Nha Be co thanhphilnth~eh Qeehuyeu caetdm tlchh~ttho, philntrendu'Qephubdi mQttilngsetphacatphanlOpmongcogiatri di~ntrdStitt tu'ongdO'ithtpkhoang10-15ohm.mvagiamxuO'ngconmQtvai ohm.mphl}thuQe vaGt6ngdQkhoanghoaeuanu'oe.Caet~ptdm tiehn~mdu'oico gia tri di~ntrd Stittphl}thuQehoantoaDvaGt6ngdQkhoanghoaeuanu'oeehuatrongchungva thu'dngdaDdQngtrongkhoangvaiohm.mdenvaiehl}eohm.m. 3.4.1.4.4Da g6'e:damongeuakhuvveThanhphO'Iacaethanht~or~neh~e baag6m:trilmtiehphuntraGthuQeh~dug LongBlnh,caedanaycocogiatridi~n Nguy~nNgoeThu-Luanan Tie'nsf Vat lV - 90 trdSU:ltrungblnhvaokhoangvaitramohm.mtu'onglingvoi cacdatu'oidinch~c, nhu'ngkhi chungn~mduoisail.Nhi~tdQ,apSU:ltang,va ng:lmnu'ocnengiatri di~ntrd SU:ltcua chungtu'ongd6i nhobon va daodQngtrongkhoangbon100 ohm.mrho de'nkhoang300ohm.m.Cacdaxamnh~pco gia tri di~ntrdSU:ltkha lOn,thongthu'dng,gia tri di~ntrdSU:ltcuachungdaodQngtrongkhoangvaingan de'nhangv~nohm.m,tuynhien,trongthtjcte',gia tri di~ntrdSU:ltghinMn du'<;Ic rheacacdu'dngrangdosaildi~ncogiatri khonglOn,bdi Ie, gia tri ghinh~ndu'<;Ic ngoaithtjcte'phlJthuQcvaor:ltnhi€u ye'ut6,trongdo mucdQnutnecuachung quye'tdinhvachiph6iphftnIOngiatridi~ntrdSU:ltghinh~ndU<;lc.D6i voi cacda trffmtichphuntrao,giatridi~ntrdSU:ltphlJthuQcvaothanhphftndQh~t,giatrinay thayd6i ti 1~thu~nvoi thanhph~ndQh~tva daodQngtrongkhoangtu vai chlJc ohm.mrhode'nbon100ohm.mWonglingvoimoitru'dngthtjcte'cuaThanhph6. Co mQttftngdi~ntrdSU:ltkhaquailtrQngva la d:lUhi~urhophepnh~nbie't tftngdag6ctrongnhi€u tru'dngh<;lpvakhongdu'<;Icphanchia thanhcact~ptrftmtich khacnhaurheaDia ch:lt,do la t~ngphongboacuadag6c,thongthudng,b€ m~t ~a cacthanht~oda g6cbi phongboabdi cactar nhanboa ly khacnhau,hlnh thfnhmQtlOptrunggianco giatri di~ntrdSU:ltkhanho,thu'dngnhobonnhi€u so voicacdag6c,Wongdu'ongho~cnhobonsovoicacthanht~ophiatren.Gia trinay clingdaodQngtrongkhoangvaichlJcohm.mtrdl~i. Nhlnchung,thallis6di~ntrdSU:ltcuacact~ngd:ltda trendi~ntichThanh ph6phandi khar5 r~tva phlJ thuQCvaocacye'ut6:thanhphftnth~chhQc,dQ16 h6ng,dQchuanuocva d~cbi~tla dQkhoangboacuanu'oc.Theoquy1u~tthong thu'dng,stjphandi rheachi€u dungv€ m~tgiatridi~ntrdSU:ltdQcrheamQtcQtDia dngd~ydunhusau: Bang3.1Sosanhtu'ongd6ithallis6di~ntrdSU:lt. NguylnNgocThu-LuananTiin sf Vatly Ijf Thanhtao Thanhphftnthch Gia tri din So sanhtu'ong hQc trd SU:lt quailtu'ong Holocen (ohm.m) d6i 91 - Hf tangCanGit'J - Hf tangBlnh Chanh Cat, cat b(H , bQt set BQtset,bQtcat Pleistocen -Hf tangCz1Chi T~ptren T~pdu'di -Hf tangThz1Bac T~ptren T~pdu'di -Hf tangTrangBom NeDgeD -Hf tangBaMieu T~ptren T~pdu'di -Hf tangNhabe T~ptren T~pdu'di H~tmill,bQtset bQtcatphaset cats~nphaset Cat s~nsoi Cat,s~n,bQt H~tmillphanWp H~t tho BQtset CatcUQisoi 0,5-20 0,5-5 5-15 1,0-50 20-60 40-100 40-100 1-15 1-80 1-10 1-80 Nho nho Nho Vua Ldn Ldn Ldn Nho Ldn Nho Wn DaMong -Phongboa. , Da tramtich catbQtke't So sanhtu'dngdO'igiuacacWpvdi nhau,co th~nh~nthty r~ng:phancach set bQtke't, Nh6 Wn giuacacdng h~tthoco gia tri di~ntrdStitttu'dngdO'iWnla cact~ptrgmtichh~t millcogiatri di~ntrdStittnh6vatu'dngdO'i6ndinh.Tinhphannhipv~m~thanh phgnth~chhQcd~nde'nslj thayd6i nhipnhanggia tq di~ntrd Stittt~icacvung khongbi chi phO'ibdi dQt6ngkhoangboacuanu'dc,chophepphanchiacacWp trgmtichtrencdsdphantichcacdu'angcongdosaudi~n.Tuy nhien,nhu'dildu'Qc d~c~p,cact~ptr~mtichbdrai hi~ndi~ntrenkhuvljcThanhphO'H6 Chi minhco tu'dngtdm tichthayd6i theokhonggian,trongm6iWp trgmtichco slj chuy~n tu'dng,tUtu'dngd6ngb~ngchaoth6sangtu'dngyenbi~n.Tu'dnglingvdi slj thayd6i nay,thanhphgnth~chhQccuacacWptdm tichthayd6i tu h~tthosangh~tmill ngaytrongm6inhiptdm tich,m~tkhac,dQt6ngkhoangboacuanu'dcchliatrong Nguy~nNgocThu-LuananTiin sf Vatly .j/ 92 chungdIngbie'nd6i tungQtsangm~n,raubgidim~n-ngQtgiuacact~ngchuanu'oc chu'adu'Qcxacdinh,d~cbi~t1anhi€u noikhangco stfphandi ro rangv€ tinhcha't di~ntrdsua'tgiuacact~ptr~mtichcothanhph~nth:;tchQckhacnhau.Vi nhung15' donhu'v~y,vi~cphantichtai1i~udosaildi~nclingg~pkhokhankhangnho. 3.4.2B~cdi~mtni£ingBfa v~tly VllllgThanhph6: Trencosdcacd~cdi€m thams6v~t15'dacuavlingThanhph6H6 ChiMinh, clingvoi tai li~unghienCUlltrendi~nrQngda:du'Qcthuth~p va dochinhtic gia thtfchi~n,co th€ matamQtcacht6ngquatcacd~cdi€m tru'dngv~t15'theocactai 1i~unaynhu'sail: 3.4.2.1Bije diim tnidngtr(Jnglife: KhuvtfcThanhph6H6 ChiMinhn~mtrongvlingtru'dngtrQng1tfctu'ongd6i blnh6ncocu'dngdQthayd6itU-10de'nlOmga1,trongdo,ph~ntru'dngamphanb6 chuye'utrendi~ntichcuahuy~nC~nGid, cacdu'dngd£ngtri tru'dngtrQng1tfckeD daivaphanb6 theo3 phu'ongchud:;to:A kinh tuye'n,VI tuye'nva Tay B~c-£)ang ~m. Co th€ matad~ctru'ngtru'dngtrQng1tfcd tUngkhuvtfccuaThanhph6nhu'.sail: Khu v¥chuy~nCil Chi: Wongungvoi vlingco tru'dngtrQng1tfcdu'ong,t:;ti day,hi~ndi~nhaidi thu'dngcobiendQtu'ongd6inhotrum1enh~uhe'tdi~ntichcua huy~n,trongdo,di thu'dngthunha'tco d:;tngd£ngthu'ocvoi biendQvaokhoang lOmi1iga1va n~mke'bellno1amQtdi thu'dngcoclingkichthu'ocnhu'ngvoi cu'dng dQvagradientnhobon,ctfcd:;ticuadi thu'dngchIvaokhoang7 mga1,chuy€ntie'p giuaCuChivaHocMan1amQtvungtru'dngtu'ongd6iblnh6nvaambonhaiphia. Khuvljchuy~nHoc Man vanQithanh:hi~ndi~nmQtdi thu'dngtrQng1tfcco d:;tngkeDdai theophu'ongvI tuye'n,voi biendQctfcd:;tivaokhoangllmga1,trong khido,khuvtfcNamBlnhchanhl:;tihi~ndi~nmQtdi thu'dngamWongd6icobien dQ-2mga1,stfhi~ndi~ncuadi thu'dngamchungtostfthie'uhl}tgiat6ctrQng1tfc.Tu Nguy~nNgocThu-LuananTiin sfVattV ~ 93 di thuongnay,di v~phiaDongNam1amQtdi thuongnh6n~mke'ranhgiOigiil'a Thanhph6vaLongan,di thuongnayclingcobiendQvaokhoang9mgal. Khuv{tchuYfncan GiC1:tru'ongtrQnghjetuongd6ibinh5nvacoxuhuang giamd~nv~phiaNam,day1avungthie'us61i~uquailsattrQnghIe,VIle donen khongth6nh~ndinhgihonv~d~etru'ngtruongtrQnghjeeuavungnay. Tren co sa hinhanhphanb6 tru'ongtrQnghIe,ehophepkhangdinhv~slf hi~ndi~neuacaeye'ut6 kie'nt<;lOcophuonga kinhtuye'n,phuongTay B~e-Dong Nam,VI tuye'nva kernr6 hon1aphuongDongB~e-tayNam.Do m~tdQai6mao quathuavacling cokhanhi~uke'tquaphantlchdlfatrencaedil'li~utrQngllfetren di~nrQng,aa xaedinhau<;Jecaeh~th6ngautgaydt quavungThanhph6H6 Chi Minh,a~ebi~t1aphuongphapgradientngang,nentrong1u~nvannay,vi~exU'1y vaphantlchchitie'ttai1i~utuvatrQngllfevungThanhph6khongau<;Jea~tfa.Co th6sobQv<;lehra mQtvaih~th6ngautgaytrencosaphantlchdinhtlnhcaea~e tru'ngtruongtrQngllfed6ainhhuangehocaebuaephantlchtie'ptheonhusail: Caeh~th6ngautgayth6hi~nkhar6 nettrenco sacaea~etru'ngphanb6 '1liii, 1 1,euatruongtrQnglfe a: 'i'tf - Hf thongdlltgaycophzt6ngkinhtuye'n:baag6mcaeautgay:LQeNinh PhudeHoa,dt quaria phiaTay euLao BinhQuaivakeDdaiae'nCU'aTi6u. Dut gayD~uTie'ng-Be'nTre,dt ngangquaphiaTayhuy~nCu Chi vakeDdaiae'n huy~nGi6ngTrom,vaTh<;lnhP il,dnhBe'nTre.DutgayMy Phuong-GoCong,dt ngangquaHocMon,An L<;le,BinhChanhvakeDdaiae'nGo CongdnhTi~nGiang. - Hf tho'ngdlltgaycophzt6ngVi tuye'nbaag6mDut gayTrangBang-Thu DffuMQt,dt ngangquariaphiaB:lehuy~nCuChi.DutgayDueHoa-LongThanh, dt ngangquakhuvlfenQithanh,phiaNamqu~n2,qu~n9 vakeDdaiv~phiaNhon Trc;teh,LongThanh.DutgayThli Thua-CffnGiuQe,dt ngangquakhuvlfexaBlnh Khanh,huy~nCffnGio vaautgaySongTi~n,dt ngangquaphiaNamhuy~nCffn Gio, do khie'mkhuye'ts6 1i~u,nencaeh~th6ngaut gay dt quavungCffnGio khongau<;Jeth6hi~nr6nettrentai1i~utrQngllfe. Nguy~nNgoc Thu-Luanan Tie'nsi Vat ly .u. 94 BAN DO TROONG TRQNG L1)C KHUV1)tTP.HOcHi MINHvA PIDJcAN NguyenNgQCThu_T6ng hqprheatAili~udja vl).tIy nam2004 CHIOAN I ~ I DuOngdiingtrj IrQngh!cduang I ~ I DuOngdiingtrjtn;mgh!cfun IDnh 3.3 107100 <# 95 BAN DO D~TRUONG TRQNG UJC BOUGUER --<~.~ (Nguy~nNgQCThu-T6nghgptucaebandod!thuOng trQngIvcBouguer,tYI? 1/50.000d~n1/100.000. DoT6ngcongtyDaukhiclingdip). CHi DAN TY L~:1/500.000 DuOngdAnghi 0 mgal [g ~ DuOngdlingtrjtul mgalden10mgalr~1 S DuOngdlinghi tu-IO mgalden-I mgal DuOngdAngtrjtull mgalden20mgal Hinh 3.4 " 96 - Hf thongdut gayco ph1icrngDongBdc- TayNam:g6mcac chItgaydt ngangquahuy~nDuc Hoa-LongAn, huy~nCu Chi va keo dai de'nBlnhDuong. MQtdutgaykhac,dt quaMy Tho,di ngangquakhuvlfcnQithanh,keodaide'n BienHoa.v~ phia Nam,codutgaykeodai tuvungDuyenHai, D6ngb~ngNam be>,dt quaBe'nTre,dt ngangquakhuvlfchuy~nC~nGid,quade'nBa Ria-Vung Tau. - Hf th6ngdutgaycoph1iongTayBdc-DongNam:Trongcach~thO'ngdut gaykhO'ngche'ca'utrucvungThanhphO'H6 ChiMinh,h~thO'ngdutgaycophuong TayB~c-DongNamla h~thO'ngth€hi~nit ro nha'trenband6tru'dngtrQngllfc,co Iedoslfkhie'mkhuye'tkhanhi~udli li~utrQngllfctrongvungnay.Trencosdphan chiacacd~ctru'ngphanbO'cuatru'dngtrQngllfc,coth€ kh~ngdinhv~slfhi~ndi~n cuah~thO'ngdutgaynayla:dutgaysongSaiGonkeodaitheophuongdongchay cuasongSaiGonvadutgaysongVamCo Dongdt quasongSoaiR<;lp Nhlnchung,trencosdcacdli li~utrQngIlfCkhathuathatphanbO'trendi~n tichvungThanhPhO'H6 Chi Minh, clingvai trudngtrQngllfc phanbO'trendi~n rQ'fl'g,co th€ kh~ngdinhduQcslfhi~ndi~ncuacach~thO'ngdutgayco trongvung. ThanhPhO'nhudaduQcmotatrenday,tuynhien,vaimQtm~tdQdi€m donhucac dli li~uhi~nco,vi tri chinhxaccuacach~thO'ngnaykhongth€ kh~ngdinhduQc ffiQtcachdondQctrencoSdtai li~utrQnghic,maphaiphO'ihQpvai cacd<;lngtai li~ukhac. D€ comQtcacnhlnkhaiquathonv~cacca'utrucSailvungThanhPhO',vi~c DangtntdngleDcacmucdQcaokhacnhauclingdaduQcthlfchi~n. Ban d6 DangtrudngtrQngllfc (thlfchi~nbdi chuangtrlnh trudngthe' COSCAD)leDcacmucdQcaokhacnhautrichratUband6Dangtru'dngtrendi~n rQngchotha'yslfkharo r~t3khO'iDangtachbi~td cacmucDangtrudngkhacnhau trendiabanThanhphO':KhO'iDangCu Chi,khO'iDangTan SonNha'tvakhO'inang C~nGid, bakhO'iDangnayduQctachbi~tvai nhaubdi cackhO'iSl;}t:XuanThai ThuQngd phiaB~cCu ChivakhO'iSl;}tNhaBe. Nguvln Ngoc Thu-Luanan Tie'nsf VatLV .j' 97 BAN DO NA.NG TRUONG TRQNG LlfC LEN DO CAO 100M ~ L"- ~: I F~K2 F. "t'. V7 J--- -.-- (Nguy~nNg9CThu:T6nghQ'ptircaeband6djthuOng tr9ngIl!cBouguer,t:YI~1/50.000d€n 1/100.000. DoT6ngcongtyDaukh!clingdIp). cHi DAN TY L~: 1/500.000 I~I B DuOngdlingtrj0mgal E;:J 5 DuOngdling trj tITI mgald€n 10mgalDuOngdling trj tIT-10mgald€n -I mgal DuOngdlingtrjtITII mgald€n 20mgal I-fmh3.5 ;#' 98 BAN DONANG TRUONGTRQNGL{)t LEN D<)CAD 200M ~ I; 78 .73 ~ki~p r0M ) ~r--: .t..l- .. . 17<2 I "t' . ..:..-CV7- J - . - (Nguy~nNg9CThu: T6ng hgptii'caeband6 di thuOng IrQngIl!c Bouguer,tY I~1/100.000den 1/500.000. IT L~:1/500.000 CHI DAN DuOngdingtti0mgal c;:J B DuOngdingIIi tii'I mgalden10mgalI'-~I B DuOngdingttitii'-10mgald€n -I mgal DuOngdingttitii'II mgald€n 20mgal Hinh 3.6 ,,:. 99 BAN DONANG TRlfONGTRQNGU!C LEN DOCAO 300M .13 . -." (Nguy~nNg<?CThu: T6ng hqptitcaebandOdj thuang tr9ngIl!eBouguer,ty I? 1/100.000den 1/500.000. TY L~:1/500.000 CHi DAN I~I S Duangdiingtrj0mgal I~I 5 I -pVi--1 Duangdiingtrjtit1mgalden10mgalDuangdAngtrjtit-10mgalden-1mgal DuangdiingtrjtitII mgalden20mgal DUt gayva 86hi?u Hinh 3.7 ~. 100 BAN DONANG TRUONGTRQNGL{)tLEN DQ CAO 2000M 52 .76 -73 Tan Hi~p tV ) @ (NguyenNg<;ICThu: T6nghgptircaeband6 dj thuOng trQngIl)"cBouguer,tY I~1/100.000de'n1/500.000. TY L~:1/500.000 cHi DAN DuOngdfuIgtr!0 mgal I~I 0 I -pVi--1 DuOngdfuIgtr!tir1mgalde'n10mgalI~I B DuOngdfuIgtr!tir-10mgalden-I mgal DuOngdingtr!tir11mgalde'n20mgal DUt gayvas6 hi~u Ifinh 3.8 ~ 101 3.4.4.2Dijc diim tntilngtit: Tren band6 d£ngtri tnidngtu loanph~nT (hlnh2.6),ThanhphO'H6 Chi Minhn~mtrangvlingco d:;icdi6mtntdngtUkhablnh6n,vdi cudngdQdaodQng trongkhoangtu 41100chode'n41300liT. StfphanbO'trudngtu clingtuongttfnhu trudngtrQngItfc,nhungr5 netbondocactuye'ndoduQcphanbO'khad6ngd~uva philkin trendi~ntich.QuangcanhphanbO',cacdudngd£ngtri trudngtu chotha'y slfhi~ndi~ncuacacdi thudngtu cod"mgxau chu6i,s~p xe'ptheodudngphuong kinhtuye'n,d:;icbi~tr5 nha'tIa chu6idi thudngkeodaitUPhudcHoa,BlnhPhudc, de'nLongBlnh,Qu~n9 TP. H6 Chi MinhvaCU'aD<;tiTi~nGiang.(j phiaTay khu vlfcThanhphO'keo dai tUTay Ninhv~de'nBe'nTre clinghi~ndi~nmQtchu6idi thu'dngtu'tuongtV.N~mgiuahaichu6idi thudngnayIa mQtvlingtrudngkhablnh 6nthuQcdiaph~nThanhphO'H6 ChiMinhngo<;titrukhuvtfcQu~n2,Qu~n9,Qu~n ThuDucvaHuy~nC~nGid.Trangvlingtrudngkhablnh6ndo,caedudngd£ngtri tru'dngtuclingth6hi~ncacdudngphuongcuaca'utruckhar5net. StfphanbO'cacdi thudngclingvdistfphanchiacaed:;icdi6mtrudngTu, cho phe&pkh£ngdinhstft6nt<;ticach~thO'ngautgaytheophuongkinhtuye'ndt qua fIJ' vungThanhPhO'.Ngoaistfs~pxe'ptheophuongkinhtuye'n,cacdi thudngtu con phanbO'mQteachr5 r~ttheodudngphuongVI tuye'n,r5 nha'tIa cacdi thudngtU phanbO'tu Long an,de'nBlnh Chanh,BlnhTh<;tnhva keo dai de'nhuy~nNhon Tr<;tchD6ng Nai, di~u d6 chung to stfc6 hi~ndi~ncua h~thO'ngaut gay theo phuongnay.Nhln chung,stfth~hi~ncac dudngd£ngtri trudngtu trenmQtkhu vtfc fQngWnchotha'ymQteachr5 r~tcacdudngphuong:Kinh tuye'n,VI tuye'n,Tay B~c-DongNamva DongB~c-TayNam.Hinh anhth~hi~ntrenband6 d£ngtri trudngtu~Tclingtuongttfnhuband6d£ngtritnidngtuT. C6 th~motamQteachkhaiquatcacd:;icdi~mtrudngtutrendi~ntichvung ThanhPhO'nhusail:Ph~nWndi~ntichkhuvtfchuy~nCll Chi n~mtrangvlingc6 cu'dngdQtrudngtu amtudngdO'ic6 gia tri tu 0 chode'nkhoang-70nT,phiaTay Namsatvdi raubgidi huy~nTrangBangIa mQtdi thudngco gradientuongdO'i NguylnNgocThu-LuananTie'nsf VattV # 102 cao,di thu'ongnaytrungkhopvoidi thu'ongdu'ongcuatru'ongtUdachuy~nv€ clfc. Tu huy~nCu Chi keodaiv€ phiaNamla mQtvungco tru'ongtutu'ongd6iblnh6n voi cu'ongdQtru'ongtu daodQngtrongkhoangtU0 chode'nkhoang-10nT, vung naykeodai de'nchode'nQu~nTan Blnh,ti;lidoxua'thi~nmQtdaydi thu'ongam keodai theophu'ongvI tuye'n,trongdo, co haidi thu'ongdangchuy, mQtn~md ranhgiOiphiaTay,noigiapranhgiuahuy~nBlnhChanhvaTlnhLongAn, voibien dQdu'ongvaokhoang20nTvaamde'n-180nT.Di thu'ongnaykhatrungkhopvoidi thu'ongdu'ongtu'ongd6i cuatru'ongtrQngllfc Bouguer,di thu'ongcanli;litrongkhu vlfcnayn~md khuvlfcgiapranhgiuaHuy~nNhaBe vaQu~n8,di thu'ongnayco biendQvagradientu'ongd6inhobondi thu'ongd phiaTay,nhu'ngcodi~nphanb6 rQngbon.Ca haidi thu'ongd€u codi;lngd£ngthu'ocphanb6theophu'ongkinhtuye'n. Ngu'<;1cli;livoi khuvlfcCu Chi,khuvlfccacqu~nhuy~nn~md phiaBongsongSai Ganla vungco tru'ongtutu'ongd6ibie'ndQngbdislfhi~ndi~ncuavaidi thu'ongtu cocu'ongdQkhonglOn,caedi thu'ongnays~pxe'ptheocacphu'ongkinhtuye'nvavI tuye'n.Khuvlfcco d~cdi~mtru'ongtubie'ndQngkhaphli'ct<:lPla khuvlfchuy~n c~ Gio, a do t6nt<:lihangloi;ltcacdi thu'ongtUn~mke'c~nnhau,clingphanb6 the!haiphu'ongKinh tuye'nvaVI tuye'n.Slf s~p xe'plienwc cacdi thu'ongtUtheo haiphu'ongnayclingvoidQcaobaydo,lamchocacdi thu'ongdonkhongro netkhi ghinh~ncacdil'li~utru'ongtu d khoangeachtu'ongd6i xatheocacso'li~ueuatu hangkhong. Voi caed~edi~meuatru'ongtu nhu'da du'<;1emo ta mQteachkhaiquat trenday,co th~kh£ngdinhv€ slfhi~ndi~nd6ngthaieua4 h~th6ngdli'tgaytheo caephu'ong:Kinh tuye'n,VI tuye'n,Tay B~e-BongNamva Bong B~e-Tay Nam kh6ngehe'caed~edi~mea'utruevungThanhPh6.Caeh~th6ngdli'tgayn6ib~t nha'trentaili~uTu hangkhongla: - H~th6ngdli'tgayKinhtuye'n:trungvoiphu'ongkeodaieuaSongBe (doi;ln ehaytrendi~ntichdnhBlnhPhu'oe)dt quarIaphiaTaybandaoThanhBa, vakeo daide'nBe'nTre.Bli'tgaykinhtuye'nthli'haila dli'tgaykeodaituphiaB~e,dt qua TrangBang,Cu Chi va rIaphiaTayThanhph6.Bli'tgaythli'bala dli'tgaydt qua -# NguylnNgocThu-LwlnanTie'nsfVatif 103 ThuDauMQt,de'nkhuvtfcnQithanhvakeodaiv€ phiaNamquaHuy~nGo Cong dohTi€n Giang.Ngoaicacdutgaynay,canco cacdutgaykhacxeDke, cacdut gayxacdinhrheataili~utuhangkhongduQctrinhbaytrenbanve. - H~tho'ngdutgayVI tuye'n:Ne'unhutrentai li~uTn;mgItfc,h~tho'ngdut gayco phuongVI tuye'ndt ngangvlingThanhPho'chi duQcsuydi~nquastfth€ hi~ntrendi~nrQng,thltrentaili~utUhangkhong,h~tho'ngdutgaycophuongnay duQcth€ hi~nkhar6net.Trongdo,dangchuy la:dutgaydt quaTrungtamhuy~n CuChi vaBienboa.Dut gaydt quaLongAn, Le MinhXuan,phia NamQu~n9, keodaide'nNhonTr~ch,dutgaydt quanga3 songSoaiR~pva SongVamCo, keodaiv€ phiaNamVlingTau. - H~tho'ngdutgaycophuongTayBa:c-DongNam:baag6mcacdutgay:dut gaysongD6ngNai dt quariaphiaDongcuakhuvtfcThanhPho',dutgaydt qua huy~nBe'nCui, Tay Ninh,Qu~nI, TP. H6 ChiMinhkeodaiv€ phiaThi Tra'nCftn GidvadutgaySongVamCo,dt quaSongSoaiR~p.Clingtrongh~tho'ngdutgay nay,tai li~utUhangkhongcanchophepxacdinhmQtdutgaydt quaSuo'iSau,ria phfaTay huy~nHocMon vaQu~n8. 1& - H~tho'ngdutgayco phuongDongBa:c-Tay Namco cacdutgay:dt ngangquaphiaNamhuy~nCuChi,keoquaPhIlGiaodohBlnhPhudc,dutgaydt quaphia NamQu~n8,dt quasongD6ngNai vadutgaydt xuyenquatrungtam huy~nCftnGid. - Tren co sd pho'ihQpcac d~ctru'ngtrudngv~tIy ghi nh~nduQc,bdi hai phuongphaptu hangkhongva trQngItfc,clingvdicach~tho'ngdutgayduQcxac dtnhmQtcachdQcI~pnhuda duQcmota. Co th€ kh£ngdtnhv€ ca'utrucvung Thanhpho'H6 chiMinhnhusau:Thanhpho'H6 ChiMinhbi chipho'ibdi4 h~tho'ng dutgaychinh:DongBa:c-TayNam,Tay Ba:c-DongNam,A kinhtuye'nva A Vi tuye'n,trongcach~tho'ngdutgaynay,th€ hi~nr6 r~tnha'trheatai li~uTu la h~ tho'ngAKinhtuye'nbdistfsa:pxe'prhead~ngxauchu6icacdtthudngtuclingnhu cacdudngd£ngtq trudngtrQngltfcclinguo'nluQnrheaphuongnay, trongkhido, NguvJnNgoc Thu-Luanan Tie'nsf Vat ly tf. 104 BAN DODANG TRI TRUONGTV Ta KHU v1jC THANH PHO HO CHI MINH VA PHTJ CAN Nguy~nNgQcThu:Thanhl;}ptheotaili~ubaydotIthangkhong mend~i1990cuaLiendoanV;}t1:9 CHI DAN I,..,. .. I Dm gay I ~~ I DuOngdlingtrivagiiitritruOngttr Hiob 3.9 ,j{ 105 BAN DODANG TRJ TRUONGTV DELTA Ta KHU v1jc THANH PHO HO CHI MINH VA PH{)C~N Nguy~nNgcThu:Thanhl~ptheotaili~ubaydoti'thangthong mend:.ti1990cuaLiendoanV~tly CHi DAN I""",.", .. I DUtgay I r-~ I DuOngdiingtft trl1Ongticfim I ~ I DuOngdAngtft tfUOngticduffi1g ffinh 3.10 #' 106 BAN DO TRUONG nj T \TUNG TP. HO CHI MINH "--- ~ - ---::::::::::, = If!( (~-;;::- ~ ~ ~-:::::= )) (11\ ~'" I . \ ~ I'-- I.~ ~~~~'\ ~~') -% )~~"I",r;=::;:' :::- .1 '4 X. (NguyenNgQCThu:T6nghgptirs6lii;nthuth~pt:).i Li~ndoanV~tIyDjacMt). CHi DAN TV L~:1/500.000 G D I~ l DuOngdingIIi truOngtirT tir40.800den40.990nT DuOngdingIIi truOngtirT tir41.000den41.190nT DuOngdingIIi truOngtirT tir41.200den41.390nT 1--=-::::1 DuOngd~ngtrj truOngtirT~ tir41.400den41.590nT F I DuOngdingIIi truOngtirT--- =::J tir41.600de'n41.790nT ~- J DUtgayvas6hi~u (Khoangeachd6ucacduOngdingtrj trenband6la 10) l-1mh3.11 .;: 107 BAN DODANG T~ TUTRVONG DELTA T VUNG THANH PHOHO CHI MINH NguyenNggc 'Thil-thimh l*p theo tili li~u baydo tithangkhongDietld~i1990cuaLien doanV*t ly 1 1 DuangdiingtrititWangdu<1I1g 101Duangdiingtri tit truangfun 1 ,... -I BUtgayK2 Hinh 3.12 :¥ 108 duongphuongvI tuye'nclingduQcth~hi~ntuongttf.d hai phuongcanl<;li,cac duongd&ngtri tru'ongTu th~hi~ntheocacphu'ongchungmQtcachcoquylu~tva phanchiacac vungco d;}cdi~mtru'ongtu khacnhau,d;}cbi~tra nh<'ltla theo phu'ongTay B~c-DongNam.Co th~nh~nth<'lyr~ng:Khu vtfchuy~nCu Chi tuong lingvdi vung cod;}cdi~mtru'ongtukhablnh6n,trongkhi do l<;lico stfhi~ndi~n cuamQtdi thu'ongtrQngltfcdu'ongtu'ongd6i.Stfhi~ndi~ncuadi thu'ongtrQngltfc du'ongtrongmQtvungcotru'ongtUkhablnh6n,chungtostfnholeucuatfingdag6c trongvungkhongco stfhi~ndi~ncuacacth~magman~mbelldu'dildpphil.N~m tie'pgiapgiii'ahuy~nCu ChivaHocManla mQtvungvilaco tru'ongTu 6ndinh,l<;li vilaco tru'ongTrQngltfcamtu'ongd6i,chungto tfingdag6cn~mbelldu'dildpphil la cacdakhongco tUHnh,vab€ m;}t damongbi h<;lth<'lp sovdi haivungke'c~n. KhuvtfcnQithanhcli va cac Qu~nn~mphiaDongsongSai Gan tu'onglingvoi vungcotru'ongtrQngltfcdu'ong,clingvdistfhi~ndi~ncacdi thu'ongtuphanb6theo phu'ongvI tuye'n,di€u dochungto stfhi~ndi~ncuacacth~magman~mbelldudi cacldptdm tichbdroi. Khuvtfchuy~ncfin GiO,Wongungvdi vungco tru'ongtu ,J?ie'nd6ikhaphuct<;lP,stfhi~ndi~ncacdi thu'ongtut<;lidaychungtostfhi~ndi~n c~acacth~magmaxamnh~pn~mbelldu'dildpphil,r<'ltkhongmayla t<;livungnay khongco tai li~utrQngltfc,cacdu'ongd&ngtri trQngltfcdu'Qcve trencosdnQisoy trendi~nrQngcuacacdi~mdotrQngltfcvungke'c~n,va v~y,vi~cdaubgiatfing dag6ccuavungnaychuye'udtfavaotaili~ukhoanvadoSaildi~n. MQtd~cdi~mkhan6ib~ttrentai li~uTu vaTrQngltfcla:. th~hi~nkhara netcacdu'ongphu'ongcuac<'lutruc,trongdo,d;}cbi~ttheophu'ongKinhtuye'n.Ne'u nhusongSai Gan u6nlu'Qntronggidih<;lndu'Qc<'Indinhbdi h~th6ngdutgayco phu'ongTayB~c-DongNam,cach~th6ngdutgaykhaccolamchonobid6ihu'dng c\lcbQ,nhu'ngluauluaubi gidih<;lntrongph<;lmvi chi€u rQngcuah~th6ngdlitgay, thlngu'Qcl<;lisongNhaBe- SoaiR<;lpl<;lidu'Qcdinhtuye'nvagidi h<;lnbdih~th6ng dlitgayco phu'ongKinh tuye'n,trongdo,co nhi€u do<;lnsongbi d6ihu'dngdoclnh hu'dngcuacach~th6ngdlitgaycanl<;li.Day la cacthongtinra'tcogiatri chocac Nguy~nNgocThu-LuananTie'nsfVatIV .g 109 nhaDia cha'trongvi~clu~ngiaiv~lichsli'hlnhthanhvaphattri~nvungda'tThanh PhO'n6iriengvavungNamBQn6ichung. 3.4.4.3Tili lifU dosandifn: Day la tai li~uchinhdu9Csli'd~ngtrongvi~cxacdinhchi~uSaildog da m6ng,lienke'tDia tilnggiuacac16khoanvaxacdinhranhgidinhi~mmi;incuacac tilngchuanudc trongvung Thanh phO'H6 Chi Minh. Cho de'nthai di~mthlfchi~n lu~nan nay, ngoai cac tai li~udo Sail di~nda du9Cthlfc hi~ntrongd~tai do Sail di~nvungThanhPhO'H6 Chinh,tacgiaconthuth~pb6 sungthemtai li~udoSail doLien doanDia cha'thuyvan-Diacha'tcongtrlnhMi~nNamthlfchi~ntrongcac d~tai tlmkie'mdanhgianudcngilmcacvung:BlnhChanh,CilnGia,H6cMan..., d~cbi~tla khO'ilu9ngdoSailtrendi~ntichhuy~nCilnGia. Vdi cackhO'ilu9ngthu tMp themnay,cacdi~mdo Saildi~ndantraiWongdO'id~utrendi~ntichThanh PhO',ngoaitrukhuvlfcnQithanhvacacdi~mvungyenhuy~nCilnGia. Nhu da du9Cd~c~ptrongphilotrudc,di;icdi~mDia cha't-Dia v~tly cua ThanhphO'H6 ChiMinhla:., ~. - Moi truongphanlOpngangho~cgilnngang.Giatri di~ntrC5sua'tcuacac lOpthayd6i tu tUtheophuongn~mngangva c6 Hnhphannhiptheochi~uth~ng dung. Vdi cacd~coi€m nhuv~y,phuongphapphanHchtai li~udo Saildi~nmQt chi~utorakhahi~uquatrongvi~cphantichtaili~unay. 3.3.4.2.3.aPhdn mdmdzt(fcsitdl;lngtrongphanrichtili li~udosaudi~n: D~phanHchtai li~udoSaildi~nvungThanhphO'H6 Chi Minh,tacgia oa sli'd~ngphilom~mRESID dungchovi~cphantichtai li~udo sau di~nmQt chi~udungdongkhongd6i.Day la chuangtrlnhdu9Cbienso<;lnbC5islfphO'ih9P giuatacgiava TS. Nguy~nKim QuangthuQctrtiangD<;lihQcKhoahQcTlf nhien ThanhphO'H6 Chi Minh.Chuangtrlnhnaydadu9Cchinhtacgiach<;lythli'nghi~m nhi~unamvadasli'd~ngtrongvi~cxli'lyvaphantichcactaili~udoSaildi~nph~c Nguv~nNgocThu-LuananTie'nsf VattV ,j' 110 $Ii' S ? ;::;" A K BAN DO TAl LI~U TH1!CTE THANHPHOH6 CHIMINH B 1 .. rr CHi DAN TlMNfO Tuy€n dovavi tridi€m do g] BiJn,s6ng,.ch .0,,0 0 DIfi1ng iaoth6ng ""m l Okm -1 ,""""TIt< Skm 'Okm I .\t~ NgU'aithanhl~p: Nguy~nNg9C11m Hinh 3.13 ,ff 111 V\lchonhi@ucongtrlnhlingd\lngva nghienCUllkhacnhau.Trudckhiquye'tdinh duachuangtrlnhnayvaolingd\lngthlfcte',tacgiadfi sosanhvad6ichie'uke'tqua vdi nhi@uchuangtrlnhphantichtai li~ucuacactacgiakhacnhautrenthe'gidi, trongdococacchuangtrlnhsail: - Chuangtrlnh phan tich tai li~u do sail di~nIPI-ID cua cac tac gia AA.Bobachev,l.N.Modin,E.V.Pervago,V.A.ShevninthuQctruangD<;lihQcMoscow -Nga. - ChuangtrlnhYES cuatruangd<;lihQcWitwatersrand- Nam Phi. - ChuangtrlnhWinSev-5do cac tac gia Miguel BorregueroandJacques Jennybien so<;ln. Ke'tquadO'isanhgiUacacchuangtrlnhkhacnhauchothiy khongco gl sai khacdangk€, ngo<;litnl cacphuongthucgiaodi~nva trlnhbay.Co th€ gidi thi~u mQtvainetcobanv@chuangtrlnhduQctacgiasli'd\lngtrongphantichtai li~udo saildi~nvungThanhph6H6 ChiMinhnhusail: Chuangtrlnhphantichtai li~uRESID duQcxaydlfngtrenco sa thu~toan -- lQc.j1ye'ntinh,sli'd\lngke'thQpbQlQcs615s61Qc,cuaAnderson(283h~s61QC,va Johansen(168h~s61Qc),vi~cke'thQpnaychoke'tquabai toanthu~nvdidQchinh xaccao.Ke'tquatinhtoantrennhi@umohlnhsosanhvdicacke'tquadfiduQCcong b6cuaJohansenvaAndersonvdi sais6xip Xl0.05%,d6ngthai,vi~ctinhtoancac duangcongtrencosacacmohlnh19thuye'tduQcthlfchi~nrit nhanh,thaigiantinh toanduQcrutng:1nhangtraml~nsovdicachtinhraiqc boatichphanc6di€n. Ne'unhucac chuangtrlnhphantichtai li~udo sail di~nmQtchi@udfigidi thi~utrendayd@utlfdQngphantichcacduangcongtheod<;lngdi€m donho~clien ke'ttheotuye'ndo,trongdocomQtsO'chuangtrlnhchophepdi@uchlnhcacthallis6 theocacthongtintiennghi~m.ChuangtrlnhRESID dotacgiavaTS Nguy€nKim Quangbienso<;lnduQcxaydlfngtrencosatinhnhanhbaitoanthu~n,vdicacthalli s6coth€ thayd6ib~ngcachdungcontrotrenmanhlnhmaytinh.Ke'tquatinhtoan duQcbi€u di€n trend6thilogaritkepchophepsosanhvdiduangcongthlfcte'hi€n NguylinNgocThu-LuananTiensf VatIV #' 112 thid6ngthailIen manhlnh,di~ud6ehophepngu'aisadvngdi~uehlnhcaethamsf) mohlnh,the'naoehodu'angeong1.9thuye'ttrungkhdpvdidu'angeongth1jenghi~m lIeneelsdcaethongtinliennghi~m.Doe6s1jgiaodi~ntr1jetie'pgiG'angu'aivamay nenHnhlinh hO(;1ttrongvi~eh,(aehQncaethamsf)nIt eao,di~ud6 gilip ehongu'ai phanrichquye'tdinh 11jaehQnmo hlnhhQp1.9nha't.Lu'ud6 eua ehu'elngtrlnhdu'Qe trlnhbaymQteachkhaiquattrongtrangsail.Chu'elngtrlnhphanrichtai1i~udoSail di~nmQtehi~ueh(;1ylIenh~di~uhanhWindows,e6caechilenangehuye'usail: - Tinhnhanhhili loanthugn: Ph~nn~yphvevv ehovi~ethie'tke'caediu hlnhdo Saildi~nkhaenhaulIen moi tru'angphanldp ngang.TiI ban phimmayHnh, ngu'aisa dvnge6 thS nh~psf)ldp va gia tri caethamsf)moi tru'ang.Ke'tqua di~n trdsua'tbiSukie'n1.9thuye'tdu'QehiSnthinhanhg~nnhu'd6ngthaidu'did(;1ngbang sf)vad6thidu'angeongdoSailrheatl1~10garitkep.Ti~nichn~ygilipehongu'oisa d\lllgrlit ranhfi'ngnh~ndinhv~anhhu'dngkhaenhaueuamoitru'ang1endangdi~u bie'nd6i euadu'angeongdi~ntrdsua'tbiSukie'nlingvdi cae10(;1ithie'tbi dokhae nhau,day1amQtti~nich ra'tthu~n1Qitrongvi~ethie'tke'ky thu~tehomQtvling n~1ienCUllevthS,lIen eelSdcaethongtindiibie't. iIf) - Nhgpso'lifU do:Chu'elngtrlnht(;10sanmQtsf)eongevti~niehgilipehovi~e nh~pli~udelngianva nhanheh6ng.£)~ebi~t,ne'usa dvngehu'elngtrlnhlIen may HnhNoteBooke6thStriSnkhait(;1ith1jedia,giatridi~ntrdsua'tbiSukie'ndu'Qe~p nh~tvahiSnthilIen d6 thingaykhim6isf)li~udodu'Qenh~pvao,gilipehongu'oi thieongth1jediae6thSnh~ndinhdaubgiacaeanhhu'dnglacdQngde'nsf)li~uthu tMp vad~ediSmeuamoitru'ang. - Phdnphanrichso'lifU (Bili loanngu(/c):Treneelsd sf)1i~udi~ntrdsua't euam6idiSmdo,ehu'elngtrlnhe6thSttfdQnggallcaethamsf)mohlnhdiadi~n, thtfehi~nbai loanthu~n1.9thuye'tvanhathu~tloansosanhvaHnhl~pttfdQngsail mQtvai l~nehoke'tquamohlnhdiadi~ngiadinh,du'angeongdi~ntrdsufftbiSu kie'n1.9thuye'tling mo hlnhn~yg~ntIlingnha'tvdi du'angeongdo thtfedia.Tuy nhien,dSe6ke'tquaphlihQpmoitru'angdia eha'tev thS,dn phaie6stf lac dQng .j' Nguv~nNgocThu-LuananTiln sf Vatly 113 Thong tintieD nghi~m Dli li~u thtfcte' Thu~ttoaD Hnhnhanh bai toaD thu~n Xay dtfng duongcong thtfcte' So sanh N "" \'iii' y Lu'uke't qua Hinh3.14 Lu'ud6thu~ttoaDchuangtrlnhRES1D cuanguoiphantfchb~ngcaccongCl;1ti~nfchcuamayvi Hnh(banphfm,conchu<)t) d€ ltfachoncacmohlnhcuamoitruongphuhQpnha'trencosacacthongtintieD nghi~mvad~cdi€m cuamoitruong.Ke'tquaphantfchcuatuye'ndoduQctrlnhbay dudid~ngs6vad6ho~d€ quaDsatthu~nti~n.Chuangtrlnhclingclingca'pm<)ts6 ti~nfchtrongvi~clUll tm,xua'thongtinchocaclingdl;1ngkhacva in a'nke'tqua theom<)ts6d~ngphl;1cVl;1chobaocao. NguvlnNgocThu-LuananTiln sf Vatly - 114 Giaodi~ncuachuangtrlnhtrenmanhlnhmay HnhduQctrlnhbay tronghlnh sau(hlnh3.15): File Edit View Option About @l~1~_~ t Area: Ivung:TP.HI t Line: ITuy~n:18I t Point: 100: 108 I x: y: 2: 13700111390I~ 1000 1 2 2.28 3 8.10 4 30.43 5 4.64 6 8.25 7 184.78 lb. Hlnh: 3.15.Manhlnhgiaodi~ncuachuangtrlnhRES1D. Voi manhlnhgiaodi~nnhutren,nguoisadl,lngconth€ dungchuQtth€ hi~n bdicontrotrenmanhlnhd€ themho~cbots6lOp,di~uchlnhb~dayva;ho~cgiatri di~ntrdcuacaclOptrongmohlnhtheocacthongtintiennghi~m,the'naod€ duong cong1:5'thuye'ttrungkhopvoiduongcongthlfcte'tronggioi h'J-nsais6co th€ cha'p nh~nduQc.Saukhi mohlnhdathoaman,co th€ lu'ul'J-ike'tquabdi l~nhSavevoi s6hi~udachotruocho~clu'uvoi mQttenmoi bdi l~nhSaveas.Saukhi mohlnh phantichda thoaman,cacdli li~uthlfcte',dli li~u1:5'thuye't,vake'tquaphantich, coth€ xua'tsangmQtfile cocungtenduoid'J-ngfileTextd'J-ngmaASSCII d€ coth€ dQcduQcbdi cacchuangtrlnhthongdl,lngkhac.Chuangtrlnhclingphantichcac duongcongdosau theomohlnhlOpmongoDuongcongthlfcte',saukhiduQclam trail,lQcvalO'J-itnl cacs6li~udosai,duQcchuangtrlnhtl;fdQngphantichtheomo hlnhlOpmongvoi h~s6tha'mduQcchQntronggiOih'J-ntU 0.2chode'n0.5clf ly NguylnNgocThu-LuananTie'nsf Vatly -# 115 thietbiABI2trongcli'as6Auto processingthuQcmenuOption.Ke'tquaclingduQc bi6udi~ntuongttf nhutrongmanhlnhgiao di~n(hlnh3.15).Ke'tqua phantichbCfi thu~toaDldp mongcling c6 th6 duQcke'txuilt tuongttfnhu phuongthucphantich chQnItfa. 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File Edit View Option About ~~~ II~ "] - -" ] +Area: Ivung +Line: ITuyen +Point: ITP179 x: y: z: DDDb! 94.76 3 «i3.59 4 164.14 5 192.18 6 205.07 7 174.60 8 133.41 Hinh3.16.Manhlnhgiaodi~ncuachilcDangphantichtheoldpmongo 3.2.5.2.3.bPhantichtai li?udosaudi?nvungThanhfha'H6 ChiMinh: D6 phantichcacdudngcongdosaudi~n,cacdi6mdoduQct~phQptheocac tuye'nvathanhtungkhuvtfcc6clingd~ctru'ngc6th6nh~nbie'tmQtcachsobQtren cacdudngcongdosau, ke'thQpvdi tai li~u16khoan,tai li~ukarotazclingvdicac d~cdi6mghinh~nduQcquake'tquaphantichtai li~utu va trQngItfc.Trudche't, vi~cphantichduQctie'nhanht<;limQtvi tri c6 16khoanda xacdinhd6 ItfachQn thamsO'b6dayva di~ntrCfcuacacldp,tud6khaitri6nd~nsangcacdi6mdodQc theotuye'nquailsat,nhungthayd6ihiltthudngb6giatridi~ntrCfsuiltvab6day ~~ NguylnNgocThu-LuananTie'nsfVatly 1000 .' iI1 ~ 100 E .J:::. ~ ,...""> t5 '111., (:t:: 1':., ~ ~., 2>- 10 1 , 1 10 100 1000 A812-depthi!hickness(m) ---.---E)Ui:rnsO:>DBIj thuye't-- E)Ui:rnsconsthtlct£'- K.!t qua 10000 Hlnh 3.17 NguylnNgocThu-LuananTie'nsf Vatly -- 116 so'hiu: DSIO8 TP.HCMTu S6liu Iy thuye't S6liu thtfcte' No I AB/2 AB/2 (m) depth I thickness m) p(ohm.m) p(ohm.m) p(ohm.m) (m) 1 1.55 4.76 3 4 5.11 1.5 1.5 2 2.16 4.41 4.5 3.2 2.28 5.41 3.91 3 3 3.92 6 3.25 8.1 15.55 10.14 4 4.17 3.45 9 3.62 30.43 80.97 65.42 5 5.79 3.22 15 4.6 4.64 192.01 111.04 6 8.05 3.39 25 6.5 8.25 316.23 124.22 7 11.18 3.96 15 4.9 184.78 500 183.77 8 15.54 4.86 25 6.9 9 21.59 6.07 40 9.26 10 30 7.63 65 12.5 11 41.68 9.54 100 15.25 12 57.92 11.7 65 13 13 80.48 13.81 100 16.47 14 111.83 15.38 150 16.79 14 155.38 15.82 225 15 14 215.91 14.86 325 12.5 14 300 13.12 225 14.5 14 416.85 12.12 325 12 14 579.21 13.27 500 13 14 804.81 16.88 750 18 14 1118.28 22.51 1000 23.26 14 1553.84 29.98 750 16 14 2159.06 39.48 1000 20.34 14 3000 51.21 1500 28.73 DS 108 , " ,; : ",;7 "" k<'',- - .- r---.. 117 euacaelOpduQecannh~etrencosdd~ediemeuacaethanht<;toDia eMitdilduQe bie't,thongthuang,vi~ephantich trenmQtkhu vlfeduQetie'nhanhtit mQtdiemdo ke'e~nvi tri16 khoanva ke'tthuet<;timQtvi tri co 16khoankhae.Cae ke'tquaduQe trlnhbaydQetheom~tdt duQethie'tl~pd6ngthai,clingvdi vi~etruye~ptrlfeva di~uehlnhtrlfetie'pke'tquaeuacaephuongphapkhae,de trencosddo,ph6ihQp caethongtinvadi~uehlnhthamsO'mQteachhQply. phantichtai li~u,trongd6e6 haituye'ntrl;1eva caetuye'nngang.Ca haituye'ntrl;1ed~uduQeb6 tri theophuong keGdaieuaThanhph6,til'Cu Chi de'nC~nGia, trongkhi caetruye'n gangduQe thanhl~ptheocaephuongkhaenhauphl;1thuQeVaGvi~eb6tricaediemdo,the'naG deco thelien ke'tthanhtuye'nth~ngvdikhoangeacheuacaediemdong~nnha't. 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