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Keywords from Image Description:
The Quarterly journal of the Geological Society of London . BAY LIAS OF DORSETSHIRE Fig Vertical Section of the Middle and Upper Lias at Dmvn Cliffs feet Drift Thorncombe Beacon Upper Lias sands Upper Lias clay Clay same as Blocks of indurated sand Lightbrown sands Blue marl Margaritatusbed Marly sands with