PL.HAACHT 74W Service Géologique
MAJOR F.W. SHOTTON de Belgique
120 (IV) British Army Borehole at Boort Meerbeek, on Malines-
Louvain road.
Sondage à sec, done April 1945.
Surface height 11m
Depth 46.33m
Final diameter 6 inches (15cm)
With gauze-wrapped filter between 32.3 and 45m, packed
externally
With graded sand.
Water rest level 2.4m below surface.
Pumping level unknon, above pump suction at 29.7m deep.
Tested yield by pump ( not maximum) 1330 gals (6.0 m3) jour.
Analysis of water.
Total hardness (as CaCO3) - 20.4 per 100.000
Temporary hardness (as CaCO3) - 20.4 per 100.000
Permanent hardness -nil
Total alkalinity (as CaCO3) - 31.4 per 100.000
Chlorides (as NaCl) - 2.9 per 100.000
(as Cl) - 1.7 per 100.000
Geological Record feet metres
1 .2 Brown loamy sand and pebbles 0 - 10 0 - 3.05
3 .4 Green glauconiticsandy clay 10 - 15 3.05 - 4.57
5. Grey sandy clay 15 - 20 4.57 - 6.10
6*.7 Green, very sandy glauconitic
clay 20 - 25 6.10 - 7.62
8 .9* Grey sandy clay 25 - 35 7.62 -10.67
10. Grey glauconitic clayey fine
zand,many Nummulites 35 - 40 10.67 -12.19
11*. Medium glauconitic sand and
som sandy clay many Nummulites 40 - 45 12.19 -13.71
12 .13 Clayey glauconitic fine sand,
many nummulites 45 - 55 13.71 -16.76
14. Medium grey sand, slightly
clayey, mamy nummulites 55 - 60 16.76 -18.29
15 .16 Fine light grey sand, lightly
cemented no visible nummulites 60 - 70 18.29 -21.34
17 .18 Fine grey sand and sandstone
with shells and nummulites 70 - 82 21.34 -25.00
19. Hard light grey clacareous
sandstone with bryozoa and
casts of shells 82 - 85 25.00 -25.91
20* Clean fine grey sand with Nummulites 85 -90 25.91 27.44
(ontbreekt) Medium clean grey
glauconitic sand 90 -98 27.44 29.87
21* Calcareaus sandstone- (bored block,
encrusted with bryozoa and serpulids 98-100 29.87 30.48
(ontbreekt sand (no speciemens) 100-126 30.48 38.40
22.23 .24 Medium grey glauconitic quartzose
sand, some sandstone, rare nummulites 126-138 38.40 42.06
25.26*.27.Medium grey glauconitic quartzose
sand, minute shell fragments, much
sandstone 138-148 42.06 45.10
28*. Fine grey clayey sand; siliceous and
calcareous sandstone 148-152 45.10 46.33
Provisional Correlation : 0 - 3.0m Pleistocene;
3.0 - 10.7m Asschian
10.7 - 27.4 Wemmelian and
Ledian
27.4 - 46.33 Bruxellian.
(Numerotatie bijgevoed door R. Legrand, op den 31.III.1949)
