D-0004United States Geological SurveyEast Pontotoc Water Association

Sec. 26 Twn. 9S Rng. 4EElv. 400ft. T.D. 915ft.

G-0003United States Geological Survey

City of TupeloSec. 30 Twn. 9S Rng. 5E

Elv. 340ft. T.D. 775ft.

G-0014Mississippi Geological Survey

City of TupeloSec. 21 Twn. 9S Rng. 5E

Elv. 330ft. T.D. 676ft.

CoonewahCreek

LittleCoonewah

Creek RussellCreek

FurrsRoad County Road

48

CountyRoad 48

ChestervilleRoad

CountyRoad 83

CountyRoad 103

OldChesterville

Road

LakefieldDrive

MeadowCircle

LakewayRoad

MeadowCircle

OakDrive

PurnellRoad

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AlluviumQt1Alluvium Qt1 Qt2

AlluviumQt2

Qt3 Qt1Alluvium

Qt1 Qt2 Qt3Qt3 Qt3

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Tuscaloosa Formation

McShan Formation

Eutaw Formation

Mooreville Chalk

Coffee Sand

Demopolis Chalk

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ounty

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ounty

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Yonaba Creek

Town Creek

Little Coonewah Creek

Coonewah Creek

Kings Creek

Dry Creek

Wolf Creek

MubbyCreek

Lilly Creek

League Creek

Union BranchRussell Creek

Eads Creek

Busfaloba Creek

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D0004 G0003

G0014

88°45'W

88°45'W

88°46'30"W

88°46'30"W

88°48'W

88°48'W

88°49'30"W

88°49'30"W

88°51'W

88°51'W

88°52'30"W

88°52'30"W

34°22'30"N 34°22'30"N

34°21'N 34°21'N

34°19'30"N 34°19'30"N

34°18'N 34°18'N

34°16'30"N 34°16'30"N

34°15'N 34°15'N

328000m.E

328000m.E

330

330

32

32

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338000m.E

37 92000m.

N 37 92000m.

N

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96

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N

¶GEOLOGIC MAP

SHERMAN QUADRANGLELee, Pontotoc,

and Union Counties, Mississippi

T. 9 S. T. 8 S. T. 8 S.

T. 9 S.

2009-2018 Mississippi Statewide LIDAR-Generated DEM and Hill Shade

Geology field checked in 1997, 1998, 2016, and 2017 using the 1980, U.S. Geological Survey 7.5-minute topographic quadrangle, Universal TransverseMercator projection, 1927 North American datum, contour interval 20 feet. Universal Transverse Mercator projection, 1983 North American datum.GRS80 spheroid. 1000-meter Universal Transverse Mercator 1983 datum grid ticks, zone 16, shown in red. 1995, magnetic north declination in revisedquadrangle center is 2.23° W ± 0.36° changing by 0.08° W per yearSources: Contours obtained from Mississippi Automated Resource Information System (MARIS). Public Land Survey System, 1:24,000 scale, railroadfeatures, highway features, and hydrologic information from MARIS. We thank the National Park Service and Mississippi State University for theircooperation and for facilitating the data collection and fieldwork necessary for this mapping project. Public Land Survey System from MARIS, 1:24,000scale. Lidar from Brad Segrest & Barbara Yassin of The Mississippi Department of Environmental Quality (MDEQ), Natural Resources ConservationService, National Oceanic and Atmospheric Administration, United States Army Corps of Engineers, and MARIS. Building Footprint data is licensed byMicrosoft under the Open Data Commons Open Database License (ODbL). Surface mine locations from MDEQ Office of Geology - Mining andReclamation Division and USGS.Geographic Information System by Kate Grala and Darrel Schmitz, Mississippi State University, and Jonathan R. Leard, GIT, MDEQ Office of Geology-Surface Mapping Division. MDEQ does not warrant the accuracy or completeness of the source data. Geologic maps are only a guide to currentunderstanding and do not eliminate the need for detailed investigations of specific sites for specific purposes.Publishing Organization: This map was produced by the Mississippi Office of Geology in cooperation with Mississippi State University. This map wasfunded through a grant from the National Park Service.

1 0 10.5Miles

1 0 10.5Miles

Ç!. Drill Hole Locality and Identifier

G0014

Structural Cross-Section of the Sherman 7.5-Minute Geologic Quadrangle

2019 Mississippi Department of Environmental Quality, Office of Geology·Copyright

20x Vertical Exaggeration

1,000 0 1,000 2,000 3,000 4,000 5,000 6,000 7,000Feet

1 0 10.5Miles

1 0 10.5Kilometers

Scale 1:24,000Contour Interval 20 Feet

A'A

HOLO

CENE

QUAT

ERNA

RY

Floodplain deposits of clay, silt, and sand. Generally gray,yellowish-orange, orange, and tan. Approximately 25 feet thick along larger streams, thinning up tributaries.

Qal

Qt1

2019DESCRIPTION OF MAP UNITS

M I S S I S S I P P I D E P A R T M E N T O FE N V I R O N M E N T A L Q U A L I T Y

O F F I C E O F G E O L O G Y

O P E N - F I L E R E P O R T 3 1 8

L e e , Po n t o t o c ,a n d U n i o n C o u n t i e s ,

M i s s i s s i p p i

PLEI

STOC

ENE

Qt2

Qt3

Qt4

Qt5

G E O L O G I C M A Pof the

SHERMAN QUADRANGLE

CRET

ACEO

USUP

PER C

RETA

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LMA

GROU

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Clay in lower portion conformably transitioning from underlying Demopolis Chalk. Sand, Chalk and limestone above thetransitional clay. Transitional clay is laminated to thin bedded; dark greenish gray, medium gray and reddish tan where highly weathered; locally sandy; and fossiliferous. Sand, chalk and limestone are interbedded lenses of sand, chalky sand, siltychalk or chalky limestone. Sands are tan to red where weathered;fine grained; micaceous; calcareous; and fossiliferous. Chalks are gray to tan; often silty and sandy; and fossiliferous. Limestones are light gray to nearly white where weathered;often sandy; and fossiliferous.Thickness ranges up toapproximately 165 feet.

Geology by Darrel W. Schmitz, RPGand Earnest E. Russell, PhD

Cross-Section by Darrel Schmitz, RPGand Jonathan R. Leard, GIT

KdMassive-bedded chalk and marly chalk. Medium to light gray and bluish-gray, weathers to tan. Contains subordinateamounts of pyrite, glauconite, and mica. Fossiliferous in manylocations. Thickness ranges up to approximately 350 feet.

Kr

R. 5 E.R. 4 E.

ALLUVIUM

TERRACE ALLUVIUM

RIPLEY FORMATION

DEMOPOLIS CHALK

Surface Mine Identifier

R. 5 E.R. 4 E.

Ponto

toc C

ounty

Lee C

ounty

-500 -500

-400 -400

-300 -300

-200 -200

-100 -100

Sea Level Sea Level

100 100

200 200

300 300

400 400

Feet500

Feet500

A

A'

Abandoned floodplain deposits of clay, silt, and sand generallyyellowish-orange, orange, and tan. Approximately 25 feet thickadjacent to larger stream Alluvium or younger terrace deposits,thinning or non-existent up tributiaries. Qt1 - youngest andlowest in elevation of Terrace alluvium deposits. Qt2 - secondyoungest in age and elevation of Terrace alluvium deposits. Qt3 - third youngest in age and elevation of Terrace alluviumdeposits. Qt4 - fourth youngest in age and elevation of Terrace alluvium deposits. Qt5 - fifth youngest in age and elevation of Terrace alluvium deposits. The older in age and higher in elevation Terrace alluvium deposits become increasingly eroded and discontinuous.