 | | Journal (article/letter/editorial) | | California (MSSC) led the year at the San Bernardino County Museum in Redlands. The event, held 28–30 January...mineralogy of the Brown Monster and Reward mines, Inyo County. Lunch was Subway sandwiches served on the spot...of Windsor] at 02:02 21 November 2014 the Ord Mountain mine, where they collected nice azurite specimens...speaker of 2011 was Robert Housley, fresh from Ord Mountain, who spoke on Minerals of the Blue Bell Mine,...owned by the late Emily Adams of the Henderson County (North Carolina) Gem and Mineral Society. It had |  | | Book (edition) | | Co\·er photo: \\ 7 ulfenite, Rowley Mine, Maricopa County, 4 cm high specimen, Evan and Melissa Jones Collection...gemandmineralmuseum.arizona.edu) is located in the old Pima County Courthouse building at 115 North Church Avenue...on the market. The mines at Bisbee, in Cochise County, have produced large quantities of gem-quality...mineral stamp issued in 1992. At Morenci, in Greenlee County, gem-quality azurite was also commercially recovered...parallel to the grain. The Blue Ball Mine, in Gila County, has produced thousands of azurite nodules up to |  | Johnson, Scott E., Paterson, Scott R., Fletcher, John M., Girty, Gary H., Kimbrough, David L., Martín-Barajas, Arturo - Eds. (2003) Tectonic evolution of northwestern Mexico and the Southwestern USA. GSA Special Paper 374. Geological Society of America doi:10.1130/0-8137-2374-4 | Report (issue) | | evolution of northwestern México and the southwestern USA Edited by Scott E. Johnson Department of Earth Sciences...Center University of Maine Orono, Maine 04469-5790 USA Scott R. Paterson Department of Earth Sciences University...of Southern California Los Angeles, CA 90831-0740 USA John M. Fletcher Departamento de Geologia CICESE...CICESE P.O. Box 434843 San Diego, California 92143 USA Gary H. Girty Department of Geological Sciences San...State University San Diego, California 92182-1020 USA David L. Kimbrough Department of Geological Sciences |  | | Report (volume) | | ___ ____ Geologic formations__________ Subject, area, or individual. Individual names. Listed by name...information indexed. Area listing of all formation tables and sections. Area. Area; some sketch maps included...___________ Systems__________________ Subject or area. Area; also includes articles discussing origin of...of minerals or ores. Mineral name listing. Area; includes more than one mineral; not indexed to individual...by name of field. Papers written for the layman. Rock names and areas; restricted to new or unusual rocks |  | | Book (edition) | | Depositional Textures 112 5 ALTERATION AND GANGUE Wall-rock Alteration Gangue 159 62 145 146 V vi Contents...controls, depositional textures, replacement, wall-rock alteration, gangue, paragenesis and zoning, and...therefore are not ore minerals. An ore may be a rock containing veinlets, disseminations, or small amounts... and many ores grade into protore — mineralized rock that is too lean to yield a profit. As Playfair... 2 Introduction calcite, or other gangue and rock with which it is associated. The study of ore deposits |  | | Report (volume) | | , Fort Knox, Alaska; Dublin Gulch, Yukon; Red Mountain, B.C.) in the northwestern Cordillera offer exciting...syntectonic Gibraltar deposits and end-member gold-rich granite-hosted deposits such as Fort Knox. In Washington...made, as yet, this research appears to have had little impact on exploration. Many significant porphyry...Lornex, Bethlehem, Highmont and JA) within a 15 km? area. The Highland Valley Copper operation, based on...stress regime during the emplacement. The Babine Lake area, another important cluster with two past-producing |  | | Book | | of the Namaqualand Metamorphic Complex in the Aus area (Jackson. 1976)contain magnetite quartzites which...a similar age and origin to the Aggenys, Black Mountain and Gamsberg magnetite quartzites and sedex lead-zinc...carbonates in the graniterich terrain of the Aus area. Deposits of refractory minerals may occur. The...The Gaub ValleyFomiation of the western Rehoboth area consists or biotitic schists that are extensively...One pluton of the 1050-millionyear-old Gamsberg Granite Suite contains very lowgrade porphyry copper mineralisationon |
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