Proceedings of the Yorkshire Geological Society, Vol. 39, Part 1, 1972.
CONTENTS
D. W. Holliday and J. L. Cutbill - The Ebbadalen Formation (Carboniferous), Spitsbergen Issued 12th May 1972.
W. E. Tremlett - Some geochemical characteristics of Ordovician and Caledonian acid intrusions of Lleyn, North Wales Issued 1st June 1972.
A. J. Wadge, R. K. Harrison and N. J. Snelling - Olivine-dolerite intrusions near Melmerby, Cumberland, and their age-determination by the potassium-argon method Issued 1st June 1972.
M. J. Le Bas - Caledonian igneous rocks beneath central and eastern England Issued 1st June 1972.
N. H. Trewin and B. K. Holdsworth - Further K-bentonites from the Namurian of Staffordshire.
P. F. Rawson - A note on the biostratigraphical significance of the Lower Cretaceous belemnite genus Aulacoteuthis in the B Beds of the Speeton Clay, Yorkshire Issued 1st June 1972.
J. D. Cornwell - A gravity survey of the Isle of Man Issued 1st June 1972.
K. G. Walker - The stratigraphy and bivalve fauna of the Kellaways Beds (Callovian) around South Cave and Newbald, East Yorkshire Issued 21st July 1972.
P. R. Ineson, R. T. Richardson and G. H. Wood - A baryte-galena vein in the Magnesian Limestone at Whitwell, Derbyshire Issued 21st July 1972.
Size:- 5.50 x 8.50 inches approx.
Condition:- Good condition. Unmarked throughout.
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