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GEORGIA STATE DIVISION OF CONSERVATION ·DEPARTMENT OF MINES. MINING AND GEOLOGY GARLAND PEYTON. Director THE GEOLOGICAL SURVEY Bulletin Number 70 WELl. LOGS OF THE COASTAL PLAIN OF GEORGIA by Stephen M. Herrick, Geologist United States Geological Survey . Prepared cooperatively by the U. S. Geological Survey ATLANTA 1961

WELl. LOGS OF THE COASTAL PLAIN OF GEORGIA...ferous (echinoid and bryozoan remains and Foraminifera)__.__ Operculinoides sp-,common at 330-360. Asterocyclina sp. common at 360-390

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  • GEORGIASTATE DIVISION OF CONSERVATION

    ·DEPARTMENT OF MINES. MINING AND GEOLOGY

    GARLAND PEYTON. Director

    THE GEOLOGICAL SURVEY

    Bulletin Number 70

    WELl. LOGS OF THECOASTAL PLAIN OF GEORGIA

    by

    Stephen M. Herrick, GeologistUnited States Geological Survey

    .Prepared cooperatively by the U. S. Geological Survey

    ATLANTA1961

  • WELL LOGS OF THE COASTAL PLAIN OF G EORGIA 381

    Location : 5 mi. south of ButlerOwner: No.1 F . B. GreenDriller : R. G. DukeDrilled: 1955

    " ,1

    TAYLOR COUNTY

    Well No.: GGS 53'3'

    Thick n ess Depth' (f eet) (feet)

    No samples :__~__'__.. __ . 40 40

    In Upper Cret aceous (Undifferentiated): , ,. ', ' .,

    I ,

    Sand : f ine to coarse-grained, angular , arkosic; interbedded, kaoli~ " _..__.. ,.: . ~ .: .,__ ~._ ._._.__., ._..:

    Sand, f ine to coarse-grained with ' some kaolin, ~hite, ' topink, micaceous, at 60-70.

    Sand with ka olin as above at 100-110.

    110

    ! ~ .

    150

    Summary: .

    'No 'samples _ ._.. .._ . .. 40 40

    In Upper Cret aceous (undifferentiated) __:_.~. ._ _. 110 150

    . j •

    Potential Water-Bearing Zon es:

    Sand: fine t o coarse-grained:" .: ; .,__, .. .._~ .~_ _~ , " 10' ': ,," 150

    : ~ . '" oJ II

    t..,

    ..'

    ( Location: 588 f t . from southwest line, 410 ft. from sout h-east line of La nd Lot 260, 7th Land District .'i

    Owner: No. 1 Henry SpurlinDriller: Parsons an d Hoke 'Drilled: September 1963 •

    -.'" .l

    TELFAIR COUNTY

    Well No. : GGS 376Elev.: 242 L ,,' •(der r ick floor)

    'I'h tckn eas Depth(feet ) (f eet)

    .I, No samp'les .-.----- -.------------------------------ -.--.-..-.---- -----------.............. 30 30

    In Miocene (Undifferentiated):

    Sand: f ine to coarse-grained, subangula r ; in terbedded clay,pale-green, sandy .. 195 225

  • ~0 samples .. . . : .__________ 300 810

    Thickness D~pth(feet ) (feet)

    In Middle .Eocene : Claiborne Group (Undifferentiated):

    480

    510

    390

    870

    • 315

    1,344

    30

    90

    90

    60

    GEORGIA GEOLOGICAL SURVEY BULLETIN 70

    Limestone: white, somewhat soft and chalky, fossiliferous(F 0 raminifera ) . . . . .. . . __

    Lepidocyc lina sp . at 810-870.

    No ' samples .--' ... ~ ..__,_.. . . .. 474

    No samples .. . .. .. . -, .__

    Limestone: light-gray, mu ch ca lci t ized, crystalline, fo ssili-f erous (echinoid and bryozoan r emains and F oraminifera) __.__

    Operculin oides sp-, common at 330-360.A sterocyclina sp. comm on at 360-390.

    Limestone: cream, rather sof t, ' chalky, somewhat g r anula r ,foss ili f ero us (echinoid and bryozoan remains and F ora-minifera) _. . . .. .:. ... .. ... .. .

    Operculina mariannensis at 480-510.

    Limestone: white to light-gray, cream at depth, much calci-t ized, somewha t saccharoidal, nodular, fossiliferous (echi-noid and bryozoan remains and some Foraminifera) . .. .

    QuinquBloculina sp. , Pyrgo sp., R otalia m Bxicana var. at225-240. . .

    Dict yoconus1 sp., L epidoouclina» sp, at 300-330.

    In Upper Eocene: Jackson Group: Ocala Limestone:

    Oligocene (Undifferentiated):

    382

    In Lower Eocene and Paleocene (Undifferentiated): -'rl

    Sand : medium to coarse-grained, subangular, somewhat in-durated, phosphatic; some ; ~lay, dark-bluish-gray to black,laminated; considerable lim estone, brownish-gray, ratherden se, crystalli ne, coa rs ely glauconitic, fossiliferous (macro-shells) . ~------ --_----.. -----~--------.-- ---...- ---------.-. .. ...:- .. 48

    No samples -.. .. . . :.:: ,__. , --~ --,.---- ----.---.---7' ---- 88

    Sand : fine-grained to coarse-grained at depth, suba ng ula r,, .phosphatic; interbedded thin clay, light t o da rk-greenish-g ray to r eddish-brown, laminated , silty, micaceous, Hgnttic..., 90

    l Rew ork ed (1) fo . sn of m id dle Eocen e age.

    1,392

    1,480

    1,570

  • WELL LOGS OF THE C OASTAL PLAIN OF GEORGIA 383

    Thicknes s Depth( f eet) ( fe et )

    Sand : fine to coa r se-grained, subangula r; some lime stone,brownish-gray, rather massive, sandy, glauconitic, fo ssili-fe r ous (some macroshells) .. ., 30

    Sa nd : f ine to coarse-grained, subangular ; some clay, asabove; .some lim est one , br ownish-gray, r ather den se, crys-talline, sa ndy, f ossilif erou s (casts and .impressions of mega-fo ssi ls) . . ._._. . .____ 180

    1,600

    1,780

    No samples _c c ._.. '"; . ._, ~------ - -------.-- --- --- 180

    R obltll1.8 cf. R . m idwa y e1Ulis , N odosaria af finis , E ponid eslotus ?, Valvuline ria scro bicu lata at 1750-1780.

    Sand and clay : a s above but wi th more sand, glau conit e common

    In Upper Cretaceous : Post-Tuscaloosa (Undifferentiated):

    Sand: fine t o coa rs e-gra ined, subangular , glau conit ic ; somema rl , da rk-bluish-gray, chalky, ·micaceous, pyritiferous, fo s-

    .silif er ous (so me Foraminifera ) . . . _. ... ~ .. ,~ ,.

    Globotruncana sp ., Cibieides has-peri, A notna lina pseudo-papillosa at ·1990-2020.

    30

    90

    1,810

    1,990

    2,080

    ,.~~..

    No samples ., . ._._.__.__.. 100

    Sand and cla y: a s above - r- 150

    ; -Sand : . fi ne' to ' coa rse-gra ined, subangular : in terbedded clay,da rk-brown ish- gray, lamina ted , silty, very micaceou s, Jig-nitic ._.. .._._.__._..... ._.._. .__.____ 570

    In Tuscaloosa Formation:

    Sand : coa r se-grained, subangula r, a rkosic, pink-color ed grainsof quartz ; int erbedd ed c1ay, greenish-g r ay, laminated, mi-caceous, ca rbonaceous . .. 520

    .• ··· a .'Clay : brick-red, sand y, micaceous, greasy ; interbedded sand,

    fine to coarse-grained , subangula r , ar kosic .. 80

    Sand: medium to coar se-gr ained,' subangula r , arkosic; inter-bedded clay, brick-red, micaceou s, sandy . ,__________ . 90

    Lower Cretaceous'(t ) (Undifferentiated):

    Sand : coa rse-g r a ined, suba ngula r, arkosic, grains of pinkquartz ; interbedded clay, dark-g reen with t an streaks toi.:~ .~bri ck- red, greasy. mi caceous, sandy ; indurated sand, dark-red, fine-grained, sideritic . :____________________________________ ____ 410

    2,180

    2,330

    2,900

    3,420

    3,500

    , 3,590

    4,000

  • No samples ,_________ ___ _.__..__. .I~ Miocene' (undifferentiated) _ .._ _ .Oligocene (undif ferent ia t ed ) , -'- ...._ .... _In uppe r E ocene (Ocala lim estone) . , L. _. ~------.- - .-.No sa mples _ .__._ "_0 . . . . '__.__In middle Eocene (Cla ibor ne group, undifferentiated) _. .._......No sa mples ...._... ... ~-~--:---,------------ - --.---- - . • -;-__.In lower Eo cene and Paleocene (undifferent ia ted) , _:-. . .:. _No samples ' ._. . .:.~: __.._....._.._.. ~.:..__.,__ . ::_..

    In ' Upper Cre taceous (p ost-Tuscaloosa ', undifferentiated) _.c. __In Upper Cretaceous (Tuscaloosa f ormation) ~ _'Lower Cretaceous (7 ) (undifferentiated) _..__.__. . . _

    Thic kness Depth(feet) (feet)

    384

    ,I 'h " J

    GEORGIA GEOLOGI CAL SURVEY BULLETIN 70

    Summary:. ,i . '

    30195

    9019530060 '

    474466180910690410

    30 '2253155io810870

    1,3441,8101,990

    ',2,9003,5904,000

    . ( Potenti al Wllter-Beari~g ' Zones: . ! .I ' I t I J .. ...

    Limestone . .__.__, :~ ~~ : ._. c : .__.__._._••_•.•_.•_. __~ _ 645 870... ..

    ', 'Remarks:

    . \ "

    . . ,Top of Upper Cretaceous, a s ba sed on electric log, probably at approximate depthof 1870. '

    u~ · I

    I

    Location: In McRae. Owner: Cit y of McRaeDriller: M. M. Gray

    Miocene (Undifferentiated) :

    .... r.:-e •

    TELFAIR COUNTY. .Well No.: GGS 507Elev.:250

    . :'. Thickness', DepthIfee t] (f eet)

    Sand: fine to coarse-grained, somewhat argillaceous, light-gray to red (mottled) .. limonitic, arkosic .: ....._.

    , , ''H~ t , . . . ~. I ~

    Clay: pal e-green, sandy ; some sand, as above . .

    . Sand: fine to medium-grairied, ~rkosic ; " ~inelY disseJ 'linated ,.II ' " ..phosphati c nodules :..:~__._._ ~ ..::...__...:......__.: ~ :.~__~__

    Sand : as above ; interbedded clay, pale-green, sandy; . thin . ,limestones, white, sandy, spa r sely but finely phosphatic ~ _

    Limestone: white, dense (much calcitized) , sandy, phosphatic,fossiliferous (macroshells and some Foraminifera)~__. .;.._..

    • • J "

    20 20

    20 40' ~

    2010 » >

    60

    . ~ ~ ;l 't90 150

    20 170

    'E lphidiu rn. sp., S orites sp. at 170-175 .