---------------------------------------------------------------------
ADMINISTRATIVE & TECHNICAL DATA
---------------------------------------------------------------------
Borehole drilled in framework of RESPONSE project for geological model.
GSB ID: 044W0329
RESPONSE ID: BER-10
Location: Netekant 10, Berlaar
Date: 7.3.2019
X: 168024
Y: 201756
Z: +4.8 m
Total depth: 3.75 m
Groundwater level: c. 1.00 m
Describer: Jan Walstra, Geological Survey of Belgium
---------------------------------------------------------------------
LITHOLOGICAL DESCRIPTION
---------------------------------------------------------------------
0.00 0.30 m: Mottled greyish-brown humic/yellow fine sand; brick fragments
0.30 0.50 m: Greyish-brown fine sand
0.50 0.60 m: Green clayey fine sand; glauconiferous (soft)
0.60 0.65 m: Black peaty clay
0.65 0.90 m: Green clayey fine sand
0.90 1.20 m: Grey clay
1.20 1.40 m: Brownish-grey peaty clay with fine sand intercalations
1.40 1.65 m: Dark greyish-brown peaty clay; fine plant remains
1.65 1.90 m: Dark brown peat; wood pieces
1.90 2.10 m: Brown peat; wood pieces
2.10 2.30 m: No sample (greenish sand?)
2.30 2.55 m: Brownish-grey, humic medium coarse sand; around 2.50 2.55 m large wood fragment
2.55 2.80 m: Green fine sand
2.80 3.00 m: Dark grey clayey fine sand
3.00 3.50 m: Dark greenish-grey clayey fine sand; around 3.40 3.50 m shell fragments and calcareous
3.50 3.75 m: Idem, increasingly clayey fine sand; shell fragments & other fossils (crab leg, echinoid spine, bryozoa, scaphopoda)
The molluscs are characteristic for the Zonderschot Sands (pers. comm. Stijn Goolaerts & Robert Marquet RBINS, 9.4.2019)
---------------------------------------------------------------------
STRATIGRAPHICAL INTERPRETATION
---------------------------------------------------------------------
0.00 0.90 m: Anthropogenic
0.90 2.55 m: Quaternary floodplain deposits & peat
2.55 2.80 m: Diest Formation
2.80 3.75 m: Berchem Formation (Zanden van Zonderschot)
