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FGS020593 FLORIDA GEOLOGICAL SURVEY
OPEN FILE MAP SERIES No. 24 DEPARTMENT OF NATURAL RESOURCES




R18W R17W R16W R15W R14W + R13W






EXPLANATION

QUATERNARY
Qh Holocene sediments consisting of quartz sand with minor amounts
oforganicmatter and clay associated with lagoonal deposits.
Mostly beach and dune sands along present coastline. To A LA To Q a
Qal Alluvium deposited in the river flood plains. Quartz sands, /L A B A M A 1
I '' ," ,I' ,.. .. t' I
31 M'Very fine to coarse grained. *31 i

ii I' -N-

Qu-Undlfferentiated quartzsands. May consist in part ofreworked I /
SCtronelle Fine to coarse grained with varying percentages '
ofsilt and clay \~
QUATERNARY/TERTIARY ---
QTaCitronelle Formation (reworked). Fine to coarse grained Tc
sands with gravel, silt and clay. Often oxidized to reddish /
hues in exposures. Appears to be reworkedTci with very
little to no lihologic change. T
QTrs- Sandy and clayey residuum of pre-existing units laying on
Tertiary carbonates. Z
TERTIARY
Tab- Undfferentiated Alum Bluff Group. Clays, silts and sands.
Often greenish to gray hues. May contain shells.
Tchat- Chattahoochee Formation. Dolostones with subordinate
limestone, clays, silts. Fossilferous, often moldic.
Tci CitronelleFormatio I I I
"4 gravel, slt and clay. 4
exposures. Reworked phase of this is QTci.
Th- Hawthorn Group. Sandy clays, silt, occasional carbonates. z
May locally contain phosphate.
Tic Intracoastal F. I a
sand and clay. i I
phosphatic O
i TJb Jackson Bluff Formation. Variably sandy clay often with TaZ
0 abundant fossils. b 30 R )'
To Ocala Limestone. White to gray, fossiliferous, moldic
Tr- Residuum on ocene. Cay, sandy clay and clayey sands -

sediments. To Qa
S Trm Residuum on Miocene. Clay, sandy clay and clayey sand
resulting from the dissolution of Miocene carbonates and

GEOLOGIC MAP OF
lowerlng/reworklng of Tertiary slhclclastlc sediments.

Tro Residuum on Oligocene. Clay, sandy clay and clayey sand

sediments. HOLMES COUNTY
Ts Suwannee Limestone. Marine limestone, fossiliferous, varies
from poorly recrystallzed to well recrystallized, packstone NGTO CO NTY
to grainstone. Minor sliclastic component.
Tsm Undifferentiated Suwannee Limestone and Marianna Limestone. C a FLORIDA
Limestone, white to pale orange, fossiliferous, moldic,
varies from wackestone to grainstone. Minor siliciclastic BY
component. KEN CAMPBELL P.G. #192

WALTON COUNTY 1993

Tci OGd




I KILOMETERS

THIS IS AN INTERIM GEOLOGIC MAP. SCALE
EDITING AND EDGE MATCHING HAVE WALTER SCHMIDT
NOT BEEN COMPLETED. UPDATING
AND CORRECTING ARE CONTINUING. STATE GEOLOGISTAND CHIEF





R18W R17W + R16W -" 15W R14W + R13W



'S _CARTOGRAPHY BY JIM JONES &TED KIPER