Page 235 - The Geological Interpretation of Well Logs

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25° dips

laminated clay
16° dips} “~~,

clay
Kimmeridge

chalk sandstone

Cretaceous Fife

chalk wiih stylofites blolurbatton
and pressure
and dlica
solution seams
cemented nodules
(bedding horizontal)

weak lamination
{10° dips}

Figure 13.34 Lithology and sedimentary features on acoustic images. A. Chalk with stylolites and pressure solution seams. B.
Burrowed, fine grained Fife sands with carbonate layers and silica cemented nodules, abruptly overlain by laminated Kimmeridge
clay. Normalised acoustic amplitude plots from Westen Atlas CBIL, Western Auas output, light = high amplitude. Core sedimen-
tology from D. Mackertich Amerada. Data published by permission of Amerada Hess (UK) Ltd. and Westem Atlas.

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