 | | 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 (issue) |
| Selected geochemical data for the Dillon BLM Resource Area (including the Virginia City mining district), Madison...district Mapleton mine Browns Gulch area Alameda-Cornucopia-U.S. Grant mine area Hungry Hollow Gulch Alder Gulch...Figure 1. Location map for the Dillon BLM Resource Area. Figure 2. Mineral localities in Madison and Beaverhead...000-scale quadrangles that cover the Dillon Resource Area. Figure 3. Sample locations plotted by mining district...chondrite (Sun and McDonough, 1989). A. Copper Mountain and Carter Creek deposits. B. Ruby (Johnny Gulch |
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| Devel. Co;mm., Div. Geology B 1.; Inf. Circ...;...Arkansas :Resources and Development Commission, Di 'sion...Geology Bulletin; Informa· · ,' tion Circular. Little Rock, Ark. Asoc. Mex. Ge6logos Petroleros Bol.i'Asoeiaci6n...geology of kyartite-andahislte deposits, Goat Mountain, Idaho, and preliminary beneficiation tests -on...of the Strawn-Canyon seHes' in the Brazos River area, north central Texas, November 19. . . 20, 1954...Geol. Soc., [Guidebook] Cambrian Field Trip-Llano area, Mar. 1954, p. 70-73, illus. [1964]. . .. 3.·. Scientific |
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| . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . 7 Box Elder County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 10 Cache County . . . . . . . . . . . . . . . . . . . . . . . |
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| UBRI\RY CO!:Y . Cenozoic Geology of the Granite Mountains Area, Central Wyoming GEOLOGICAL SURVEY PROFESSIONAL... CENOZOIC GEOLOGY OF THE GRANITE MOUNTAINS AREA, CENTRAL WYOMING Granite Mountains, the only major...tovrard gentle dip slope of Agate Flats in Split Rock Formation (A); type section of l\loonstone Formation...Formation on White Ridge (B); two Precambrian granite peaks, Lankin Dome (C) and Mcintosh Peak (D); highest...on upper part of Split Rock Formation (G); broad fiat underlain by Split Rock yncline (H); Ferris Mountains |
 | | 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 |
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| of the Mahogany zone (Eocene), Cathedral Bluffs area, northwestern Colorado, by J. R. Donnell and A....paleotectonic implications, Blue Range primitive area, Arizona and New Mexico, by E. R. Landis, J. C....of glaciation in the Mesabi-Vermilion Iron Range area, northeastern Minnesota, by T. C. Winter . . . ...Mineralogy Clay minerals, Longfellow mine, San Juan County, Colo., by R. G. Luedke and J. W. Hosterman .....hybrid granitoid rocks of the Mount Wheeler mine area, Nevada, by D. E. Lee, R. E. Mays, R. E. Van Loenen |
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| Pee i oh ce bdd hos iad Rad Lakesacdeeerd 94 Steep Rock Lake .ssecececeveescssesssessereressesesveseses...enews: Wieyei aia wave tie"weue'e shetout 266 Bagte Mountain secccccsetee ves eeoee ee eevee ecs ee 268 Engels...no OIL ORO OIG ZoZ 292 Boulder County Tellurides .... 294 Boulder County Tungsten ...... eeoeeesee 296...323 A. Rifle area, Colorado «0s... 323 B. Uravan District, Colorado 324 Cope tick Rock DIsEEIcL sCoLoradO)...Utah ...coccccecccccesece 334 N. San Rafael—Cedar Mountain, Utah .ccccccccccecccscscvce 339 PTA aioktevaaaieal |
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| ___ ____ 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 |
 | | Journal (article/letter/editorial) |
| the relation between rock types and collapsing phenomena in the granite mountain area. The granitic rocks...rocks comprise granodiorite and biotite granite, and both are weathered remarkably in most parts. From the...(2). 4) Collapse closely related with dikes in granite. 5) Collapse accompanying landslide in fault breccia...deposit, made by an older land slide of the adjoining rock masses. The majority of the collapses in this district...predominate in granodiorite and (3) in biotite granite. 1.ま 紹和39年7月,い え が き わゆ る山陰 北陸 豪 雨 に よる山腹 崩 |
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| 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 |
 | | Journal (issue) |
| the data and interpretations come from the ancient rock record. The purpose of this short editorial is to...concerned with the complex relationships of descriptive rock bodies in an interpreted time context as occur in...fossil-hunting season? MISCELLANEOUS Original Naming of a Rock-Stratigraphic Unit In many cases, it is a good idea...idea to cite the original reference in which a rock-stratigraphic unit was named. This is especially...unit's name, rank, or boundaries. In the latter USA GE OF STRA TJGRAPHIC TERMINOLOGY case, an explanation |
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| and volcanic sulfur Summary References 6 WALL ROCK ALTERATION 166 Charles Meyer and J. Julian Hemley...zinc—requires only that the amount of metal in 100 km? of granite be diminished by about 3 ppm. A volume of 100 km3...igneous rocks, their amounts varying from one kind of rock to another chiefly according to Goldschmidt’s rules...strontium isotope ratios in basalts indicates that the rock material must be generated in a place where the...large bodies of mafic magma may be assumed with little question to be the sources of metal for some ore |
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| 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 |
