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Section at the northern end of Harris's Sand Pit, Shenley Hill. Scale 1 inch = 10 feet. Reproduced by Permission of the Council of the Geological Society of London. Geologists' Association Circular No. 93. Session 1907–1908 p.3. Excursion to Leighton Buzzard. Saturday, April 4th, 1908.
Brown clayey soil with small stones 1 ft.
A. Bluish-grey Boulder Clay composed of rearranged Gault speckled, with small pieces of chalk, flint, iron grit, and a few pebbles of quartz, etc. 2 to 6 ft.
merging downwards into
B. Gault : bluish-grey shaly Clay in the upper part and dark blue below; with a few pyritous clay-stone nodules just above the base 4 to 7 ft.
C. Irregular band of iron grit wbh smooth worn wrinkled surface : usually dark - liver-red, but in places crimson to 3 ins.
D. Ochreous or greenish-yellow loamy mnd, grit and breccia ; replaced here and there by lenticles of pale flesh-coloured or yellowish gritty limestone full of fossils 1 to 2 ft.
E. Undulating iron grit band as a rule sharply defined, but in one place approaching the upper band and there becoming lenticular and confused ... 2 to 3 ins.
F. Greyish greensand moist and loamy, with clayey streaks and .lenticles of pebbly. 2 to 3 ft.
G. Lenticles of dark-red and ochreous iron-grit with included nodules of sandy pyritous clay-stone ; streaks of fuller's earth, dark clayey greensand, and ochreous loam below ; forming a well-defined band capping the "silver-sands" 1 to 1½ ft.
H. "Silver-sands ": clean white or iron-stained sand, strongly cross-bedded, with sporadic masses of ironstone sometimes containing traces of wood10 to 15 ft. seen.
Copyright: Geologists' Association.
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|current||19:47, 15 September 2020||1,400 × 1,001 (660 KB)||Scotfot||Section at the northern end of Harris's Sand Pit, Shenley Hill. Scale 1 inch = 10 feet. Reproduced by Permission of the Council of the Geological Society of London. Geologists' Association Circular No. 93. Session 1907–1908 p.3. Excursion to Leighton Buzzard. Saturday, April 4th, 1908. Copyright: Geologists' Association.|
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