Proceedings of the Yorkshire Geological Society, Vol. 39, Part 2, 1972-73.
CONTENTS
M. Mitchell - The base of the Visean in south-west and north-west England.
T. A. Whitworth - A note on the geology of Durham City.
P. J. McCabe - The Wenlock and Lower Ludlow strata of the Austwick and Horton-in-Ribblesdale inlier of north-west Yorkshire.
R. P. Suggate - Coal ranks in the Harton borehole.
J. M. Jones - Coal ranks in the Harton borehole : a reply. Issued 18th August 1972.
A. J. Wadge - Sections through the Skiddaw—Borrowdale uncon-formity in eastern Lakeland. Issued 18th August 1972.
P. J. Brenchley The Cwm Clwyd Tuff, North Wales : a palaeogeo-graphical interpretation of some Ordovician ash-shower deposits. Issued 18th August 1972
J. K. Wright - The stratigraphy of the Yorkshire Corallian. Issued 15th September 1972.
D. T. Donovan - The geology and origin of the Silver Pit and other closed basins in the North Sea. Issued 31st January 1973.
Size:- 5.50 x 8.50 inches approx.
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