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Autor:
R. J. M. Dixie, K. C. Dunham, J. H. Taylor, J. E. Hemingway, W. Davies, F. A. Bannister, A. F. Hallimond
Publikováno v:
Proceedings of the Yorkshire Geological Society. 28:61-101
( Read, November, 1949). PROBLEMS OF THE SEDIMENTARY IRON ORES. BY A. F. HALLIMOND It is difficult to review the earlier phases of a subject without referring to much that has since become common ground. I hope I may be forgiven if in these few intro