 | | Report (edition) | | County mines of the 69 Phoenixville lead-zinc district Coatesville pegmatite and pyrrhotite localities...magnetite-chalcopyrite mines Graphite locality State line district feldspar quarries Clinton County Salona calcite-dolomite...transition from older Devonian bedrock in the northwest through Mississippian and Pennsylvanian bedrock...collecting crystal variations within a mineral group MINERALS from many 1 dif ferent localities...minerals with perfect cleavage include the mica group (cleavage in one direction to form thin sheets) |  | | Journal (issue) | | KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com...by T. P. Moore COVER: BORNITE, 3.5 cm, from Mine 21, Dzhezkazgan mine group, Kazakhstan. Joan Massague...only): $139/one year (Canada) $231/one year, (outside USA other than Canada) $325 for one year Subscription...you to become a Fellow and join this important group and Wear the medallion with pride! Contact Tom...the mineral natrowalentaite and the walentaite group also carry his name. He was a member of the German |  | | | | sulphur or arsenic and a metal ion. Chalcocite, bornite, chalcopyrite, covellite, pyrite, marcasite, pyrrhotite...groups: Minerals that have oxygen tightly bonded in a group around a central non-metallic ion. Oxides or carbonate...feldspar, nepheline, zeolite, sodalite, bonded in a group around a central silicon atom. kyanite, topaz, titanite...titanite, zircon, amphibole, pyroxene, chlorite, talc, clay, chrysotile, chrysocolla, quartz, lazurite...planes. For example there is one plane in mica, chlorite, topaz; there are two planes in amphibole and |  | | Book | | Magmatic-Hydrothermal History of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...with Implications for Exploration in Southwest Alaska Geologic Overview of the Oyu Tolgoi Porphyry Cu-Au-Mo...± Molybdenum Deposits of the Ertsberg-Grasberg District, Papua, Indonesia Clyde A. Leys, Mark Cloos,...Tenke-Fungurume SedimentHosted Strata-Bound Copper-Cobalt District, Katanga, Democratic Republic of Congo Dzhezkazgan |  | | Journal (volume) | | active metalliferous mining industry, predominantly in SW England, and fluorspar mining in the Pennines was...however, the picture is changing: • The Anglesey Mining annual report for 2011 states that a detailed review...developing the prospect into a large scale, open pit mining operation. • The current high price of fluorspar...Valley in the Caldbeck Fells of the northern Lake District and include workings in Silver Gill, on Balliway...in 1849 the Roughtongill Silver Lead and Copper Mining Company took up the lease and by 1852 the 90 fathom |  | | Journal (article/letter/editorial) | | outstanding specimens of epidote, orthoclase, bornite, djurleite, and chalcocite (Hoff 1978). Teeter’s...the minerals at Valley quarry. Local Geology The borough of Gettysburg draws thousands of people each year...of limestone. The strata dip gently toward the northwest with little deformation. A large body of mafic...conformable with the Gettysburg rocks toward the northwest and has been established to be about 1,800 feet...updated report of minerals recovered. Here, we group the minerals by their possible crystallization temperature |  | | Journal (article/letter/editorial) | | Legacy Rich In Silver Creede Mining District, Mineral County, Colorado, USA By Ken Kucera Fabulous mineral...Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure Chest, Only Much Larger...Minerals Secondary Minerals Gangue Minerals Post-Mining Minerals 20 Descrip�on of Mineral Species 40 Future...Mine 41 Appendix - Geology & Mineralogy Creede District 44 References In January 1985, after producing...century of mining ended in the renowned Creede Mining District. On August 5, 1992, Homestake Mining Company | | | Journal (article/letter/editorial) | | Legacy Rich In Silver Creede Mining District, Mineral County, Colorado, USA By Ken Kucera Fabulous mineral...Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure Chest, Only Much Larger...Minerals Secondary Minerals Gangue Minerals Post-Mining Minerals 20 Descrip�on of Mineral Species 40 Future...Mine 41 Appendix - Geology & Mineralogy Creede District 44 References In January 1985, after producing...century of mining ended in the renowned Creede Mining District. On August 5, 1992, Homestake Mining Company |  | | Journal (article/letter/editorial) | | Legacy Rich In Silver Creede Mining District, Mineral County, Colorado, USA By Ken Kucera Fabulous mineral...Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure Chest, Only Much Larger...Minerals Secondary Minerals Gangue Minerals Post-Mining Minerals 20 Descrip�on of Mineral Species 40 Future...Mine 41 Appendix - Geology & Mineralogy Creede District 44 References In January 1985, after producing...century of mining ended in the renowned Creede Mining District. On August 5, 1992, Homestake Mining Company | | | Journal (article/letter/editorial) | | Legacy Rich In Silver Creede Mining District, Mineral County, Colorado, USA By Ken Kucera Fabulous mineral...Mountain Mine 7 “Close, But No Cigar” 7 The Homestake Mining Company 8 “Pirate’s Treasure Chest, Only Much Larger...Minerals Secondary Minerals Gangue Minerals Post-Mining Minerals 20 Descrip�on of Mineral Species 40 Future...Mine 41 Appendix - Geology & Mineralogy Creede District 44 References In January 1985, after producing...century of mining ended in the renowned Creede Mining District. On August 5, 1992, Homestake Mining Company |  | Rudashevsky, N. S., McDonald, A. M., Cabri, L. J., D. Nielsen, T. F., Stanley, C. J., Kretzer, Yu. L., Rudashevsky, V. N. (2004) Skaergaardite, PdCu, a new platinum-group intermetallic mineral from the Skaergaard intrusion, Greenland. Mineralogical Magazine, 68 (4) 615-632 doi:10.1180/0026461046840208 | Journal (article/letter/editorial) | | pp. 615–632 Skaergaardite, PdCu, a new platinum-group intermetallic mineral from the Skaergaard intrusion...titanian magnetite, fayalite and accessory chlorite-group minerals, ferrosaponite, a member of the annite–phlogopite...is found in composite microglobules composed of bornite, chalcocite, digenite, chalcopyrite, with rare...varies from bright creamy white (associated with bornite and chalcopyrite) to bright white (associated with...004Pb0.003)S1.002. The mineral is cubic, space group Pm3m, a = 3.0014(2) Å, V = 27.0378 Å3, Z = 1. |  | | Journal (article/letter/editorial) | | omitted from locality information. Where lot and district numbers are given, it is necessary to use topographic...the photographs. Baldwin County Milledgeville district—between the State Sanitarium and the Oconee River:...property—near Commerce: ferrocolumbite (Cook, 1978). Lula district—Standridge property, about 7.0 km east of Lula:...(Teague, 1956). Jefferson district—9.7 km southwest of Jefferson on S.R. 11, northwest of a small stream that...County Allatoona Gold mine—lot 929, 21st district: bornite, chal copyrite, galena, gold, quartz (Anderson |  | | Book (edition) | | OX5 1 GB, UK 225 Wyman Street, Waltham, MA 02451, USA Copyright © 2015, 2008 Elsevier B.V. All rights reserved...terms (see also explanations chapter): - Strunz Group (Strunz (2001; version 9); this provides the mineralogical...optical characteristics or shapes. - The Point Group illustrates how symmetrical a particular mineral...minerals which appear within a particular Strunz sub-group (listed here) or in mineral assemblages of a closely...fast overview and reflect the abbreviated Strunz group. • Where necessary, abbreviations for important |  | | Journal (article/letter/editorial) | | Tenderfoot mine (about 19131, Esterbrook copper district, Albany County. John Taylor collection. An ideal...Minerals was titled “The Copper Mountain Pegmatite District, Freniont County, Wyoming” and was in the JulylAugust...small area, they are grouped under the district name. District names are from Hausel (1986). Localities...Buttes: see The Buttes. Centennial (La Plata) gold district, 27 miles W of Laramie on State 130 to Centennial...industrial-gradediamonds, ColoradoWyoming State Line district, Albany County: largest crystal is approximately |  | Carlson, Shawn M., Robinson, George W., Elder, Mark J., Jaszczak, John A., Bornhorst, Theodore J. (2007) Greenockite and Associated Uranium-Vanadium, Minerals from the Huron River Uranium Prospect Baraga County, Michigan. Rocks & Minerals, 82 (4) 298-309 doi:10.3200/rmin.82.4.298-309 | Journal (article/letter/editorial) | | Mineral Museum and Department of Geological and Mining Engineering and Sciences Michigan Technological...world-class mining districts: the famous Michigan native copper district to the northwest, and the Marquette...Marquette Range iron (and gold) mining district to the southeast. Classical geological features such as...early works on Michigan geology, copper mining, and iron mining, respectively. Fountain (1992) does describe...1888; this locality is approximately 700 meters northwest from the Huron River uranium prospect of this |  | | Book (volume) | | ae TONITE TN263. Au. =American Institute of Mining, Metallurgical, V.2 and Petroleum Engineers Ore...Inst! itute i an Americ ie Lye 2 of llurgical, Mining, Meta m Engineers and Petroleu © f the Ore deposiits...AND ZINC (1936) 134, MILLING METHODs 141, METAL MINING (1939) (1937-40) BLAST FURNACE, COKE OVEN AND...AIME TRANSACTIONS VOLUME 178, MINING GEOLOGY AIME TRANSACTIONS 181, MINING, INDUSTRIAL MINERALS, EDUCATION...I! Published by : : The American Institute of Mining, Metallurgical, and Petroleum Engineers, Inc. NEW |  | | Journal (issue) | | 2020 The Mineral Collector's Newsletter $6.00 Bornite-Coated Pyrite Crystals fro111 the 1400 level, Cole..." In addition, he makes note of a few superb bornite specimens associated with gold from the 1400 level...left) located at an elevation of 8.000 ft. on the northwest side of the Bristol Range in Lincoln County. Nevada...Silver Group in the Bristol-Jackrabbit District and is owned by Greenfield Environmental Trust Group (GETG)...Bristol were discovered in 1868169 and the Bristol District was organized in 1871. The Hillside Mine was discovered |  | | Journal (volume) | | brought to an end an important chapter of British mining history. Known throughout its long working life...20th century culminated in the end of large-scale mining at the combined Beckermet – Florence mine complex...workings soon became flooded and inaccessible. Mining and exploration for hematite in Cumbria has long... In addition, throughout their long history of mining, these deposits have also attained international...to discontinue pumping it was clear that further mining and all access to the underground working would |  | | Report (volume) | | location and means of access to all the metallic mining districts in the State, as well as a large number...for sand and gravel, no single commodity tn this group has a total value of more than $100 million ; no...documented summary of the beginning of Colorado mining history. Part of his summary is given here in the...galena that had been recently found in the Tenmile district, Summit County. In his booklet, which today would...however, because it contains lists of the mines and mining districts that were active at the time in Clear |  | Wen, Xingying, Zhang, Fangfang, Wang, Yinhong, Sun, Min, Zhang, Wei, Li, Yanyan, Zhou, Hang, Chen, Yiming (2021) Rutile and Chlorite Geochemistry Constraints on the Formation of the Tuwu Porphyry Cu Deposit, Eastern Tianshan and Its Exploration Significance. Minerals, 11 (9) 968 doi:10.3390/min11090968 | Journal (article/letter/editorial) | | minerals Article Rutile and Chlorite Geochemistry Constraints on the Formation of the Tuwu Porphyry...Zhang, W.; Li, Y.; Zhou, H.; Chen, Y. Rutile and Chlorite Geochemistry Constraints on the Formation of the...the Qi’eshan Group. We first present determination of rutile minerals coupled with chlorite identified...µm), in association with hydrothermal quartz, chlorite, pyrite, and chalcopyrite. The rutile grains display...sulfides (MoS2 ) formation in hydrothermal fluids. Chlorite analyses imply that the ore-forming fluids of |  | | Journal (article/letter/editorial) | | neW DATA On MIneRALs fROM THe KeWeenAW cOPPeR DIsTRIcT, MIcHIcAn. T. W. Buchholz1, A. U. Falster2, W...several minerals not previously reported from the district. Noting the suggestion of the possible occurrence...silicate, and a Ce-rich silicate. In addition, bornite and chalcocite replace chalcopyrite, and goethite...transition, Volume 86, March/April 2011 175 northwest Adirondack Mountains, New York. Journal of Petrology...December 2014 IN SEARCH OF THE HISTORY OF MICA MINING IN THE USA: RUGGLES MINE, GRAFTON, NEW HAMPSHIRE. F. |  | | Journal (article/letter/editorial) | | mine development occurred in the late 1800s, this district, with its approximately fifty recorded species...HAWK (also known as Bullard Peak) district is the largest district of the silver-nickel-cobaltbismuth-uranium-arsenic...Cobalt and Silver Islet, Ontario: Port Radium, Northwest Territories, Canada; Batopilas, Mexico; Chafiarcillo...also in number of mineral species. The Black Hawk district contains over fifty recorded species, while some...replacement features. During mining operations in the Black Hawk district, significant amounts of specimen |  | | Journal (article/letter/editorial) | | minerals in the Manas samples include chromite, chlorite-group minerals, and uvarovite; whilst those in the...include actinolite, chromite, chlorite-group minerals, and bornite. Bornite is not found in any other sources...in ancient royal collections and archaeological mining sites [2]. However, the geologic/geographic origin...microanalysis (EPMA) data). Yuan [19] identified chlorite around chromite in the Ospa green nephrites, and...different groups, focusing on the inter- and intra-group test diameter. whether Other parameters and procedures |  | | Journal (issue) | | Dominion actinolite-tremolite, apatite, chalcopyrite, chlorite, cobaltite, dolomite, erythrite, galena, ilmenite...Sweet Briar actinolite-tremolite, bornite, chalcopyrite, chlorite group minerals, chrysocolla, ferroan dolomite...crystals Appomattox Lime Co. quarry-near Bent Creek bornite, calcite, chalcopyrite, dolomite, pyrite, sphalerite...crystals (smoky and clear) Spottswood bauxite district (includes Allen, Harris, and Lightner mines, Lott...Anaconda mine (Eldredge Mill)-near Dillwyn azurite, bornite, chalcopyrite, epidote, hornblende, malachite, |  | | Book (edition) | | his co-authors. A graduate of Michigan College of Mining and Technology (now Michigan Technological University)...a member of the faculty of Michigan College of Mining and Technology for three years, leaving that position...noted for computer applications in geology and mining engineering. The authors and publisher express...permission to reproduce the Map and Index of Arizona Mining Districts. Carleton B. Moore, Peter R. Busek, and...2. Porphyry Copper-Related Deposits The Bisbee District The Mammoth-St. Anthony Mine, Tiger Lee Le 2A |
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