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Precambrian and Paleozoic Geology and Ore Deposits in the Midcontinent Region: Rosiclare, Illinois to Ironton and Viburnum, Missouri June 30-July 8, 1989

James W. Baxter, Eva B. Kisvarsanyi, Richard D. Hagni, James C. Bradbury, Paul E. Gerdemann, Jay M. Gregg(auth.)
·71 Pages
·3.75 MB

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Lanthanides, Tantalum and Niobium: Mineralogy, Geochemistry, Characteristics of Primary Ore Deposits, Prospecting, Processing and Applications Proceedings of a workshop in Berlin, November 1986

F. P. Cesbron (auth.), Prof. Dr. Peter Möller, Prof. Dr. Petr Černý, Prof. Dr. Francis Saupé (eds.)
·383 Pages
·1989
·8.742 MB