129E0416.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 (2 m filter: good flow).

GSB ID: 129E0416
RESPONSE ID: BAI-02
Location: Along Ri de Pombrou (headwater of the Dyle), Rue de Thy, Baisy-Thy (Genappe)
Date: 30.01.2018
X: 157762
Y: 143791
Z: +102.6 m
Total depth: 2.80 m
Groundwater level: c. 1.60 m
Describer: Jan Walstra, Geological Survey of Belgium

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LITHOLOGICAL DESCRIPTION
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0.00 – 0.10 m
Greyish-brown, humic, very fine-sandy loam; some brick fragments

0.10 – 0.30 m
Light greyish-brown very fine-sandy loam; some brick and charcoal fragments

0.30 – 0.70 m
Light brown, sandy loam and/or very fine sand; Fe-oxidation spots

0.70 – 0.90 m
Light beige-brown slightly sandy loam

0.90 – 1.20 m
Light beige-brown very fine-sandy loam; some gravels and stones

1.20 – 1.80 m
Light beige-brown slightly sandy loam/clay; Mn & Fe-oxidation spots

1.80 – 2.00 m
Beige very fine sand: Mn & Fe-oxidation spots

2.00 – 2.40 m
Beige loamy very fine sand; Mn & Fe-oxidation spots

2.40 – 2.80 m
Light grey loamy very fine sand

All depths: non-calcareous

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STRATIGRAPHICAL INTERPRETATION
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0.00 – 0.30 m: reworked material
0.30 – 2.80 m: Quaternary eolian (loess) & slope deposits