101E1442

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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 m filter: moderate flow)

GSB ID: 101E1442
RESPONSE ID: VLE-05
Location: Laarbeek valley, Vlezenbeek
Date: 22.02.2018
X: 138967
Y: 167004
Z: +46.2 m
Total depth: 2.00 m
Groundwater level: c. 0.40 m
Describer: Jan Walstra, Geological Survey of Belgium

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LITHOLOGICAL DESCRIPTION
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0.00 – 0.10 m
Very humic, brown sandy loam

0.10 – 0.40 m
Yellowish-brown sandy loam/clay; Fe-oxidation spots

0.40 – 0.70 m
Greenish-grey loamy very fine sand; Fe-oxidation spots; sticky

0.70 – 0.90 m (?)
Very humic, brownish-grey sandy clay

0.90 – 1.10 m
Greyish-brown peaty clay; vegetation remains

1.10 – 1.40 m
Brownish-grey very fine sand with clayey intercalations; vegetation remains

1.40 – 1.70 m
Brownish-grey clay with peaty intercalations; vegetation remains

1.70 – 2.00 m
Brown peat with cm intercalations of sandy clay; shell fragments; very calcareous

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STRATIGRAPHICAL INTERPRETATION
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0.00 – 0.70 m: Reworked material
0.70 – 2.00 m: Quaternary alluvial deposits