Database name: |
World Sediment-Hosted Cu Deposits |
Compilers: |
R. V. Kirkham, J. J. Carriere, A. Rafer, and P. Born |
Release date: |
2015-01-27 |
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Deposit name(s): |
Nacimiento; Eureka; Nacimiento |
Political location(s): |
United States; Province or state: New Mexico |
Deposit clan (type): |
sediment-hosted copper |
Deposit (sub) types: |
continental redbed; ore repl woody debris in lower conglomeratic ss |
Commodities: |
Cu |
Geological ages: |
Triassic (host rocks) |
Tectonic setting: |
continental rift-graben; divergent (host rocks) |
Host rocks: |
(1) sedimentary; quartzite-conglomerateIndividual lithologies: | quartz sandstone conglomerate (basal) | Host rock stratigraphy: | Agua Zarca Member, Chinle Formation |
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Qualified comments: |
(Applies to: miscellaneous comments) ore repl woody debris in lower conglomeratic ss; 2 mines-Eureka/ Nacimiento/ from 1886-1957 produced 3780 tons of Cu; ripped up clay fragments (up to 1 ft long) occur throughout sandstone |
References: |
Gustafson, L. B.; Williams, N., 1981 |
Sediment-Hosted Stratiform Deposits of Copper, Lead, and Zinc |
in Economic Geology, 75th Anniversary Volume (1905-1980), Edited by Skinner, B. J., Economic Geology and the Society of Economic Geologists, 964 p, p. 139 - 178 |
Kinkle, A. R., 1962 |
Copper in the United States |
Department of the Interior, United States Geological Survey, MR-13 |
Lapoint, D. J., 1979 |
Geology Geochemistry and Petrology of Sandstone Copper Deposits in New Mexico |
Ph.D. Thesis, University of Colorado, 333 p. |
Phillips, J. S., 1960 |
Sandstone-Type Copper Deposits of the Western United States |
Ph.D. Thesis, Harvard University, Cambridge, Massachusetts, 320 p. |
Woodward, L. A., 1974 |
Strata-Bound Copper Deposits in Triassic Sandstone of Sierra Nacimiento, New Mexico |
Economic Geology, Volume 69, p. 108 - 120 |
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Production data: |
Report period: from 1971 until 1974; 2,300,000 metric ton ore; Provisional entry?: yes; Yearly or summary?: SGrade-commodity information: | Cu: 0.66 percent | Reference: Ahlness, J. K.; Pojar, M. G., 1983: In Situ Copper Leaching in the United States: Case Histories of Operations; Information Circular, United States Bureau of Mines, Publication code 8961, 37 p. Percent weights allocated to deposit: 100.0%
3,000,000 metric ton ore; Provisional entry?: yesGrade-commodity information: | Cu: 100 percent | Reference: Hagni, R. D., 1988: Mineralogy, Origin, and Potential for Discovery of Creta, Oklahoma Copper Shale-Type Deposits in Oklahoma, Texas, and Kansas; in North American Conference on Tectonic Control of Ore Deposits and the Vertical and Horizontal Extent of Ore Systems, Edited by Kisvarsanyi, G.; Grant, S. K., Proceedings Volume, University of MIssouri-Rolla, Department of Geology and Geophysics, 567 p, p. 455 - 467 Percent weights allocated to deposit: 100.0% |
Resource data: |
Disclaimer - Reserves/Resource Data
Her Majesty the Queen in Right of Canada, represented by the Minister of Natural Resources (NRCan) does not warrant or guarantee the accuracy, completeness or fitness for any purpose of Reserve and Resource information (Data) contained in this database, including whether the Data is compliant with any securities regulations or standards, and NRCan does not assume any liability with respect to any damage or loss incurred as a result of the use made of the Data.
Resource and reserve figures are historical in nature. The Data source provided with each set of figures should be cited if the Data are re-reported. |
Estimate date: 1971; 8,700,000 metric ton ore; Combined with production?: no; Provisional entry?: yes; Resource category: estimated reserveGrade-commodity information: | Cu: 0.66 percent | Reference: Ahlness, J. K.; Pojar, M. G., 1983: In Situ Copper Leaching in the United States: Case Histories of Operations; Information Circular, United States Bureau of Mines, Publication code 8961, 37 p. Percent weights allocated to deposit: 100.0% |