182E0659.txt
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ADMINISTRATIVE & TECHNICAL DATA
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Borehole drilled in framework of RESPONSE project for installation of groundwater monitoring well (1.5 m filter: 0.9-2.4 m below surface).
GSB ID: 182E0659
RESPONSE ID: VIL-01
Location: Cimetière de Villers-deux-Eglises, Rue Pingaut, Villers-deux-Eglises (Cerfontaine)
Date: 20.9.2017
X: 157902.834
Y: 97709.479
Z: +251.256 m
Total depth: 2.40 m
Groundwater level: c. 2.15 m
Describer: Jan Walstra, Geological Survey of Belgium
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LITHOLOGICAL DESCRIPTION
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0.00 0.20 m
Greyish-brown, humic, sandy loam; little calcareous
0.20 0.30 m
Brownish-grey sandy loam; little calcareous, Fe oxidation spots; few stones
0.30 0.60 m
Alternations of light brownish-grey loamy, very fine sand and sandy loam; non-calcareous; many Fe oxidation spots; few stones
0.60 1.10 m
Light brownish-grey sandy loam/clay; non-calcareous; some Fe oxidation spots; few large stones, gravels, charcoal fragments, piece of scoria at 1 m; dry, hard and compact
1.10 1.50 m
Light brownish-grey sandy loam; non-calcareous; many Fe oxidation spots; few stones
1.50 1.70 m
Light greyish-brown sandy loam/clay; non-calcareous; many Fe oxidation spots; many gravels/grits
1.70 2.20 m
Light greyish-brown very sandy loam; non-calcareous; some Fe oxidation spots; fewer stones than above, except gravelly layer around 2.10-2.15 m
2.20 2.40 m
Mixture of sandy clay (hard, compact) and stones (greenish-grey sandstone)
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STRATIGRAPHICAL INTERPRETATION
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0.00 2.20 m: Quaternary eolian and/or slope deposits
2.20 2.40 m: Famenne Formation (weathered top)
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GROUNDWATER LEVEL
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Measurements sounding device, below ground surface
22.1.2018: -0.45 m
19.6.2018: -1.74 m
5.12.2018: -0.65 m
6.3.2019: -1.01 m
