 | | Journal (article/letter/editorial) | | MINERALOGY OF The Granite Mountain Syenite PULASKI AND SALINE COUNTIES, ARKANSAS Within the last few...from the syenite pegmatites of Granite Mountain. HENRY L . BARWOOD Arkansas Mining and Mineral Resources...Resources Research Institute Arkansas Tech University Russellville, Arkansas 72801 A C O M P L E X P L U T O...Saline County to the city limits of Little Rock in Pulaski County. The outcrops in Saline County are weath...the northeast forms a promi nent ridge ("Granite" Mountain) and contains four active and many inactive |  | | Report (volume) | | Shinarump No. 1 uranium mine, Seven Mile Canyon area, Grand County, Utah: TEI-287, Jan. 11, 1954. GJ, SL. Fischer...exploration at the Old Leyden coal mine, Jefferson County, Colo.: TEM-292, Mar. 30, 1953. D, GJ. Hinrichs...The pegmatites of the Errington-Thiel mine, Elko County, Nevada: TEI-71, Dec. 28, 1949. Office of Director...Ridge, and West End claims near Clancy, Jefferson County, Mont.: TEM-31, Oct. 19, 1951. D, SL, T. (332,...Stratigraphy and structure of the Miners Mountain area, Wayne County, Utah: Aug. 17, 1953. SL. McKelvey, V |  | | 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 |  | | 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 |  | | 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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