Hydrogeology, Hydrologic Budget, and Water Chemistry of ... · TD-68-33-501 B' TD -68 3 102...
Transcript of Hydrogeology, Hydrologic Budget, and Water Chemistry of ... · TD-68-33-501 B' TD -68 3 102...
0 1 2 3 4 MILES
Scale 1: 75,000
Rocky�
Creek
Creek
Bruins
Main Quihi Creek
Bul
lC
reek
SecondC
reekS
tate
State 16
173
English Crossing Road
Wharton
Stat
e 17
3
Dock
Park
37FM
1283
Sta
te 1
73
Cou
nty
Road251
Cou
nty
Roa
d
County
Road
252
Cou
nty
Roa
d 25
2
FM 2676
265
Road
Cou
nty
FM 2676
County R
oad
271
County R
oad2615
FM 1
283
Road
FM
1283
State 16
State 46
UD
UD
UD
UD
UD
Medina Lake fault
Diversion Lake fault
Haby Crossing fault
Boehme's Cave
Haby Bat Cave
BanderaPipe Creek
Riomedina
TD-68-33-501
B'
TD-68-33-102
ATD-68-25-703
TD-68-25-810
TD-68-25-904
TD-68-33-304A'
2F-4
B
BANDERA C
OUN
TY
MEDIN
A CO
UNTY
MEDINA
RIVER
MED
INA
R IVER
Red
Bluff
Creek
Pip
e
Creek
Cypress
Creek
MED
INA
LAK
E
MEDIN
ALA
KE
Elm
Cre
ek
MEDINA
R IVER
Med
ina
irriga tion
cana
l
Koenig Creek
DIVERSION LAKE
98o52'30"
29o45'
29o42'30"
98o55'98o57'30"99o99o02'30"
29o42'30"
29o45'
29o37'30"
29o40'
29o37'30"
29o40'
29o32'30"
29o35'99o05'
29o32'30"
29o35'
29o27'30"
29o30'
29o25'
99o05'
29o27'30"
29o30'
98o52'30"29o25'
98o55'98o57'30"99o99o02'30"
WATER-RESOURCES INVESTIGATIONS REPORT 00–4148Hydrogeologic sections and subdivisions—PLATE 1
Lambert, R.B., Grimm, K.C., and Lee, R.W., 2000, Hydrogeology, hydrologic budget, and water chemistry of the Medina Lake area, Texas
IN COOPERATION WITH THEBEXAR-MEDINA-ATASCOSA COUNTIES WATER CONTROL AND IMPROVEMENT DISTRICT NO. 1,
BEXAR METROPOLITAN WATER DISTRICT, TEXAS WATER DEVELOPMENT BOARD,�AND
EDWARDS AQUIFER AUTHORITY
U.S. DEPARTMENT OF THE INTERIORU.S. GEOLOGICAL SURVEY
MAP SHOWING HYDROGEOLOGIC SECTIONS A-A' AND B-B' AND SHOWING SUBDIVISIONSOF THE EDWARDS AND TRINITY AQUIFERS, MEDINA LAKE AREA, TEXAS
ByRebecca B. Lambert, Kenneth C. Grimm, and Roger W. Lee
2000
UD
251
Sta
te
Verde Creekfault
Parker
Creekfault
Vandenburg
School
fault
Seco Creekfault
Lincoln fault
MEDINA DAM
DIVERSION DAM
FM
471
Sta
te 4
6
U
D
HYDROGEOLOGIC SUBDIVISIONS I–VIII— Modified from Maclay and Small (1976)
PRIMARY FAULT—U, upthrown; D, downthrownINFERRED FAULT
STRIKE AND DIP
TRACE OF SECTION
SPRING
CAVE
WELL WITH STATE WELL NUMBERTD-68-25-703
A A'
SURFICIAL DEPOSITS AND UPPER CONFINING UNIT (ESCONDIDO FORMATION, ANACACHO LIMESTONE, AND AUSTIN GROUP), UNDIVIDED
III LEACHED AND COLLAPSED MEMBERS, UNDIVIDED
IV REGIONAL DENSE MEMBER
V GRAINSTONE MEMBER
VI KIRSCHBERG EVAPORITE MEMBER
VII DOLOMITIC MEMBER
VIII BASAL NODULAR MEMBER
UPPER MEMBER OF THE GLEN ROSELIMESTONE
LOWER MEMBER OF THE GLEN ROSELIMESTONE
DE
VIL
S R
IVE
R F
OR
MAT
ION
PE
RS
ON
FO
RM
ATIO
N
ED
WA
RD
S G
RO
UP
KA
INE
R F
OR
MAT
ION
UP
PE
R C
ON
FIN
ING
UN
IT
EDWARDSAQUIFER
TRINITYAQUIFER
EXPLANATION
I GEORGETOWN FORMATION
II CYCLIC AND MARINE MEMBERS, UNDIVIDED (NOT EXPOSED IN STUDY AREA)
FACIES CHANGE
DEL RIO CLAY
BUDA LIMESTONE
EAGLE FORD GROUP
AUSTIN GROUP
NOTE: Geology modified from Small and Clark (2000) on the basis of additional fieldwork in Medina County
A
A'
0 1 2 MILES
Leached and collapsed members, undivided
Leached and collapsed members, undivided
Regional dense member
Regional dense member
County Road 271
TD-68-
25-7
03
TD-68-
25-8
10
Leached and collapsed members, undivided
Regional dense member
Divers
ion L
ake
fault
TD-68-
25-9
04
TD-68-
33-3
04
Haby C
ross
ing
fau
lt
Kirschberg evaporite member
County Road 2615
County Road 2615
Med
ina i
rrig
atio
n can
al
Med
ina R
iver
Grainstone memberKirschberg evaporite member
Upper
Basal nodular member
Dolomitic member
Grainstone member
Kirschberg evaporite member
Dolomitic member
Basal nodular member
Limestone
Surficial deposits and
upper confining unit(Escondido Formation,
Anacacho Limestone, and
Austin Group), undividedEagle Ford GroupBuda LimestoneDel Rio Clay
Cyclic and marinemembers, undivided
Gamma ray
Well with identification number
FAULT—Arrow shows direction of movement. Dashed where inferred
1,300
1,200
1,100
1,000
900
800
700
600
500
ALT
ITU
DE
, IN
FE
ET
VERTICAL SCALE GREATLY EXAGGERATED
Generalized hydrogeologic section A–A' of the Edwards aquifer, Medina Lake area, TexasDatum is sea level
Leached and collapsed members, undivided
Glen Rose
Georgetown Formation
0 1 2 MILES
B
B'
BANDERA COUNTY
MEDIN
A COUNTY
Basal nodular member
Med
ina L
ake
fault
Medina Lake
Kirschberg evaporite member Cor
ps o
f Eng
ineer
s
core
hole
2F-4
County Road 271
County Road 2615
Leached and collapsed members, undivided Leached and
collapsed members, undivided
Leached and collapsed members, undivided
Regional dense member
TD-68-
25-8
10
Count
y Roa
d 27
1
Divers
ion L
ake
fault
TD-68-
33-1
02
TD-68-
33-5
01
Haby C
ross
ing fa
ult
FM 2676
Dolomitic
BasalGlen Rose
Resistivity
Well with identification number
Gamma ray
GrainstoneKirschberg
nodular
member
Limestone,Devils River Formation
Gamma ray
Basal nodular member
Surfical deposits andupper confining unit�(Escondido Formation,Anacacho Limestone, andAustin Group), undivided
Spontaneous potential
Eagle Ford GroupBuda Limestone
Del Rio Clay
Georgetown Formation Devils River Formation
Resistivity
1,400
1,200
1,000
800
600
400
200
SEALEVEL
-200
-400
FAULT—Arrow shows direction of movement. Dashed where inferred
VERTICAL SCALE GREATLY EXAGGERATED
Generalized hydrogeologic section B–B' of the Edwards aquifer, Medina Lake area, Texas
ALT
ITU
DE
, IN
FE
ET
Datum is sea level
member
memberUpper
evaporite
member
Regional dense member
KINNEY COUNTY
UVALDE COUNTY
BANDERA COUNTY
MEDINA COUNTY
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COMAL COUNTY
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