Wet Mountains Aif A
!m:. ::^ 'i*i '^w^ Tnonum and Wet Mountains Aif a u.g, COVER PHOTOGRAPHS 1. Asbestos ore 8. Aluminum ore, bauxite, Georgia 1 2 3 4 2. Lead ore, Batmat mine, N. Y. 9. Native copper ore, Keweenawan 5 6 3. Chromite-chromium ore, Washington Peninsula, Mich. 4. Zinc ore, Friedensville, Pa. 10. Porphyry molybdenum ore, Colorado 7 8 5. Banded iron-formation. Palmer, 11. Zinc ore, Edwards, N.Y. Mich. 12. Manganese nodules, ocean floor 9 10 6. Ribbon asbestos ore, Quebec, Canada 13. Botryoidal f luorite ore, 11 12 13 14 7. Manganese ore, banded Poncha Springs, Colo. rhodochrosite 14. Tungsten ore. North Carolina Geology and Resources of Thorium and Associated Elements in the Wet Mountains Area, Fremont and Ouster Counties, Colorado By THEODORE J. ARMBRUSTMACHER GEOLOGY AND RESOURCES OF THORIUM IN THE UNITED STATES U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 1049-F A description of the geologic setting, mineralogy, geochemistry, and size of thorium and rare-earth deposits, including calculations of reserves and potential economic resources UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON: 1988 DEPARTMENT OF THE INTERIOR DONALD PAUL HODEL, Secretary U.S. GEOLOGICAL SURVEY Dallas L. Peck, Director Library of Congress Cataloging-in-Publication Data Armbrustmacher, Theodore J., 1946- Geology and resources of thorium and associated elements in the Wet Mountains area, Fremont and Custer Counties, Colorado. (Geology and resources of thorium in the United States) (U.S. Geological Survey professional paper ; 1049-F) Bibliography: p. Supt. of Docs, no.: I 19.16:1049-F 1. Thorium ores—Colorado—Wet Mountains Region. 2. Earths, Rare—Colorado—Wet Mountains Region.
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