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pro vyhledávání: '"Adrian V. J. Collings"'
Publikováno v:
Geological Magazine. 148:670-681
The upper Wenlock Series (Homerian Stage) of the northern Midland Platform, England, contains numerous volcanic bentonite clay layers. At Wren's Nest Hill, Dudley, 15 bentonites have been investigated and comparisons with the type-Wenlock have been m
Publikováno v:
Geological Magazine. 147:123-144
The late Wenlock Series (Homerian Stage) of the northern Midland Platform (central England) comprises silty mudstones and limestones of the upper part of the Coalbrookdale and overlying Much Wenlock Limestone formations. Based on outcrop studies and
Autor:
Adrian V. J. Collings, Richard Hughes
Publikováno v:
Geological Society, London, Special Publications. 171:355-372