CARTOGRAPHY BY JIM JONES & TED KIPER

T 2

S

85 1

0'

R 9 WR 11 W R 10 W

T 1

ST

1 N

30 20'

T 2

N

30 30'

R 7 W

85 0

0'

R 8 W

J A C K S O N C O U N T Y

L I B

E R

T Y

C

O U

N T

Y

J A C K S O N C O U N T Y

L I B

E R

T Y

C O

U N

T Y

B A

Y

C O

U N

T Y

B

A Y

C

O U

N T

Y

G U L F C O U N T Y

Apalac

hicola

River

Apalac

hicola

River

River

Chipola

274l274l

274l274l274l

275l

71l

286l69l

69l

69l

69l

69l

71l

71l

71l

20l

2020

20

ll

l

71l

20l

275l

275l

73l

73l

73l

73l

73l

392l

392l

275l

T 3

S

30 10'30 10'

T 3

ST

2 S

30 20'

T 1

ST

1 N

30 30'

T 2

N

85 2

0'85

20'

R 11 W

85 1

0'

R 10 W R 9 W

85 0

0'

R 8 W R 7 W

Dead

Lake

SCALE

4 MILES3210.50

6 KILOMETERS543210

N

CALHOUN COUNTY

exposures. Reworked phase of this is QTci. gravel, silt and clay. Often oxidized to reddish hues in Tci- Citronelle Formation. Fine to coarse grained sands with

limestone, clays, silts. Fossiliferous, often moldic.Tchat- Chattahoochee Formation. Dolostones with subordinate

Often greenish to gray hues. May contain shells.Tab- Undi�erentiated Alum Blu� Group. Clays, silts and sands.TERTIARY

varies from wackestone to grainstone. Minor siliciclastic Limestone, white to pale orange, fossiliferous, moldic,Tsm- Undi�erentiated Suwannee Limestone and Marianna Limestone.

to grainstone. Minor siliciclastic component. from poorly recrystallized to well recrystallized, packstoneTs- Suwannee Limestone. Marine limestone, fossiliferous, varies

component.

Qh- Holocene sediments consisting of quartz sand with minor amounts

EXPLANATION

dunes. A geomorphic unit on undi�erentiated, often clean,

Tertiary carbonates.QTrs- Sandy and clayey residuum of pre-existing units laying on

little to no lithologic change. hues in exposures. Appears to be reworked Tci with very sands with gravel, silt and clay. Often oxidized to reddishQTci- Citronelle Formation (reworked). Fine to coarse grained

of silt and clay. Citronelle. Fine to coarse grained with varying percentagesQu- Undi�erentiated quartz sands. May consist in part of reworked

quartz sands. Generally �ne to medium grained.

QUATERNARY/TERTIARY

Qbd- Quartz sands with surface expression of beach ridges and

Very �ne to coarse grained. Often consists of reworked Citronelle Fm. and older units. silts, and clays with varying percentages of organic matter.Qal- Alluvium deposited in the river �ood plains. Quartz sands,

Mostly beach and dune sands along present coastline. of organic matter and clay associated with lagoonal deposits.

QUATERNARY

To- Ocala Limestone. White to gray, fossiliferous, moldic

carbonates and lowering/reworking of Tertiary siliciclastic resulting from the dissolution of Oligocene-MioceneTro- Residuum on Oligocene. Clay, sandy clay and clayey sand

lowering/reworking of Tertiary siliciclastic sediments. resulting from the dissolution of Miocene carbonates andTrm- Residuum on Miocene. Clay, sandy clay and clayey sand

carbonates and lowering/reworking of Tertiary siliciclastic resulting from the dissolution of Eocene to MioceneTre- Residuum on Eocene. Clay, sandy clay and clayey sands limestone. Variable from packstone to grainstone.

sediments.

sediments.

Tjb- Jackson Blu� Formation. Variably sandy clay often with

sand and clay. Very fossiliferous. OccasionallyTic- Intracoastal Formation. Varying mixtures of carbonate

Th- Hawthorn Group. Sandy clays, silt, occasional carbonates.

abundant fossils.

phosphatic.

May locally contain phosphate.

Qu

Qu

Qal

Qal

Qu QalQal

QuQal

Tab

STATE GEOLOGIST AND CHIEF

WALTER SCHMIDT

SET 1 9 0 7

.

G

FL

OR

I DA

E OL OG I CA L

SUR

VE

Y

KEN CAMPBELL P.G. #192

BY

1993

GEOLOGIC MAP OF

FLORIDA

THIS IS AN INTERIM GEOLOGIC MAP.EDITING AND EDGE MATCHING HAVENOT BEEN COMPLETED. UPDATINGAND CORRECTING ARE CONTINUING.

Tchat

Tci

Trm

QTci

Tci

TsTci

FGS020193OPEN FILE MAP SERIES No. 20

Tab

Tchat

DEPARTMENT OF NATURAL RESOURCESFLORIDA GEOLOGICAL SURVEY