081E0172.txt
---------------------------------------------------------------------
ADMINISTRATIVE & TECHNICAL DATA
---------------------------------------------------------------------
Borehole drilled in framework of RESPONSE project for installation of groundwater monitoring well (2 m filter).
GSB ID: 081E0170
RESPONSE ID: ZIL-05
Location: Adjacent to Woods Cemetery, Verbrandemolenstraat, Zillebeke (Ieper)
Date: 05.09.2018
X: 47635.395
Y: 169060.015
Z: +39.528 m
Total depth: 3.00 m
Groundwater level: c. 1.50 m
Describer: Jan Walstra, Geological Survey of Belgium
---------------------------------------------------------------------
LITHOLOGICAL DESCRIPTION
---------------------------------------------------------------------
0.00 0.10 m
Light greyish-brown, humic, loamy very fine sand
0.10 0.80 m
Light greyish-brown, humic, loamy fine sand; Fe and Mn-oxidation spots, some brick fragments and peaty lumps (or burned organic material?)
0.80 1.00 m
Light greyish-brown loamy fine sand with grey lumps of clay
1.00 1.20 m
Light beige-grey loamy fine sand; Fe-oxidation spots
1.20 1.50 m
Light beige-grey, slightly loamy, fine sand (loamy intercalations); Fe-oxidation spots
1.50 1.60 m
Idem; less Fe-oxidation spots
1.60 2.55 m
Light beige-grey homogeneous fine sand; a silex fragment around 2.40 m
2.55 2.60 m
Rounded gravel and wood debris
2.60 2.70 m
Greenish-grey sandy clay
2.70 3.00 m
Light greenish-brown clayey very fine sand (sticky).
All depths: non-calcareous
---------------------------------------------------------------------
STRATIGRAPHICAL INTERPRETATION
---------------------------------------------------------------------
0.00 1.00 m: reworked
1.00 2.55 m: Quaternary eolian cover sands
2.55 2.60 m: Quaternary base gravel
2.60 3.00 m: Tielt Formation
---------------------------------------------------------------------
GROUNDWATER LEVEL
---------------------------------------------------------------------
Measurements sounding device, below ground surface
5.9.2018: -1.50 m
19.12.2018: -1.97 m
