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Types of Placers

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Posted January 20, 2011 in Gold Mining

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Publication Info:
Placer Examination - Principles and Practice
Technical Bulletin 4 Bureau of Land Management 1969
Table of Contents

Blackwelder, Eliot, 1932, Glacial and associated stream deposits of the Sierra Nevada: California Div, of Mines, Mining in California, State Mineralogist Rept. 28, pp. 309-310.

Brooks, Alfred H., 1913, The mineral deposits of Alaska: Mineral Resources of Alaska, U.S. Geol. Survey Bull. 592, 1914.

Browne, Ross E., 1890, The ancient river beds of the Forest Hill divide: State Mineralogist Rept. X, California State Mining Bureau, pp. 435-465.

Clark, William B., 1965, Tertiary Channels: Mineral Information Service Vol. 18, No.3, March 1965. California Division of Mines.

Clark, William B. and Carlson, Denton W., 1956, Mines and mineral resources of El Dorado County, California: California Journal of Mines and Geology. Vol. 52, No.4, October 1956. California Division of Mines.

Clifton, H. Edward; Hubert, Arthur, and Phillips, R. Lawrence, Marine Sediment Sample Preparation for Analysis For Low Concentrations of Fine Detrital Gold: U.S. Geol. Survey Circular 545,1967.11 pp.

Dasher, John; Fraas, Foster and Gabriel, Alton, 1942, Mineral dressing of Oregon beach sands. Concentration of chromite, zircon, garnet and ilmenite: U.S. Bureau of Mines Report of Investigations 3668,1942, p. 19.

Haley, Charles S., 1923, Gold placers of California: Bulletin 92, California State Mining Bureau, p. 167.

Hill, J.M., 1916, Notes on the fine gold of Snake River, Idaho: U.S. Geol. Survey Bull. 620-L, pp. 271-294.

Jenkins, Olaf P., 1946, New technique applicable to the study of placers: California Division of Mines Bull. 135, Placer mining for gold in California, pp. 149-216. First published in California Journal of Mines and Geology, Vol. 31, No.2, 1935 pp. 143-210. Reprinted as a series of 8 articles in Mineral Information Service, Vol. 17, Nos. 1, 2, 3, 4, 5, 6, 8 and 9, Jan.-Sept., 1964. California Division of Mines.

Jenkins, Olaf P. and Wright Quinby W., 1934, California's gold-bearing Tertiary channels: Engineering and Mining Journal, Vol. 135, No. 11, November, 1934, pp. 497-502.

Kauffman, A. J., Jr. and Baber, K. D., 1956, Potential of heavy-mineral-bearing alluvial deposits in the Pacific Northwest: U.S. Bureau of Mines Information Circular 7767, p. 36.

Lindgren, Waldemar, 1911, Tertiary gravels of the Sierra Nevada of California: U.S. Geol. Survey, Professional Paper 73, p. 226.

Merwin, Roland W., 1968, Gold resources in the Tertiary gravels of California: U.S. Bureau of Mines Technical Progress Report, Heavy Metals Program, 1968.

Pardee, J.T., 1934, Beach placers of the Oregon coast: U.S. Geol. Survey Circular 8,1934, p. 41.

Peterson, Donald W., Yeend, Warren E., Oliver, Howard W., and Mattick, Robert E., 1968, Tertiary gold-bearing channel gravel in Northern Nevada County, California: U.S. Geol. Survey Circular 566,1968.

Ransome, Frederick L., 1911, Geology and ore deposits of the Breckenridge district, Colorado: U.S. Geol. Survey Professional Paper 75,1911, p. 187.

Singewald, Quentin D., 1950, Gold placers and their geologic environment in Northwestern Park County, Colorado: U.S. Geol. Survey Bull. 955-D, 1950, pp.103-172.

Thomas, Bruce I. and Berryhill, Robert V., 1962, Reconnaissance studies of Alaska beach sands, Eastern Gulf of Alaska: U.S. Bureau of Mines Report of Investigations 5986, p. 40.

Thompson, Arthur G., 1915, Yakataga beach placers: Engineering and Mining Journal, Vol. 99, No. 18, May 1,1915, pp. 763-765.

Twenhofel, W.H., 1943, Origin of the black sands of the coast of Southwest Oregon: State of Oregon Dept. of Geology and Mineral Industries Bull. 24, 1943.

Vanderburg William O., 1936, Placer Mining in Nevada: University of Nevada Bull, Vol. 30 No.4, May 15, 1936, p. 180.

Whitney, J.D., 1880, The auriferous gravels of the Sierra Nevada of California: Contributions to American Geology, Vol. 1: Harvard University Press, Cambridge, Mass.

Wilson, Eldred D. and Fansett George R., 1961, Gold placers and placering in Arizona: Arizona Bureau of Mines Bull. 168, p. 124.

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