Geology Reference
In-Depth Information
• at the top, multicolored clayey marl capping Keuper gypsum;
• at the base, limestone and dolomite (Muschelkalk).
Clayey marl separates two distinct aquifers:
• a shallow aquifer, located in the colluvial cover;
• a deep aquifer, established in the gypsic and carbonated horizons, and
the drainage of which occurs towards a karst spring 4 km to the south
at an elevation of 32 m.
In the context of a general study, a piezometric survey in February 2002
gave the following measurements (location map and data table).
Figure 20 Location map.
Table 14 Measurements.
DATA TABLE
A
72.89
B
65.93
C 71.98
D 80.96
E
67.69
F
51.10
G
86.65
H
67.24
I
64,72
J
48.64
K
79.50
L
83.01
M
84.80
N
69.65
0
45.30
P < 50.50
Q < 51.60
R 77.85
S 68.50 T 55.40
U 84.40
1
105.21
2
103.10
3
103.12 4
101.89
5
96.60
6
98.10
7 < 95.36
8
105.24 9
101.86
10
104.02
11
103.33
12
97.49
13
102.34 14
98.00
15
99.97
16
100.79
17
98.72
18
97.80
19
98.91
20
98.20
21
98.25
22
96.18
23
96.35
24
121.53
25
104.85
26
101.73
27
101.84
28
114.11
29
102.41
30
100.40
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