101E1439

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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: good flow).

GSB ID: 101E1439
RESPONSE ID: VLE-02
Location: Laarbeek valley, Vlezenbeek
Date: 22.02.2018
X: 138800
Y: 166740
Z: +48.6 m
Total depth: 2.00 m
Groundwater level: c. 0.75 m
Describer: Jan Walstra, Geological Survey of Belgium

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LITHOLOGICAL DESCRIPTION
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0.00 – 0.05 m
Very humic, greyish-brown, slightly sandy loam

0.05 – 0.70 m
Light brown slightly sandy loam; Fe-oxidation spots

0.70 – 0.85 m
Light brown, loamy very fine sand; Fe-oxidation spots

0.80 – 1.00 m
Intercalations of light grey sandy loam and humic, brownish-grey sandy clay; wood fragments, plant remains

1.00 – 1.30 m
Brown peaty clay; plant remains

1.30 – 1.50 m
Dark brownish-grey peaty clay

1.50 – 1.70 m
Dark brown peat

1.70 – 1.75 m
Light beige-grey very fine sand

1.75 – 2.00 m
Brown peat

All depths: non-calcareous

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STRATIGRAPHICAL INTERPRETATION
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0.00 – 2.00 m: Quaternary alluvial deposits