 | | Book | | articles. Sándor Szakáll (1953, Berettyóújfalu, Hungary) Head of the Department of Mineralogy, Herman Ottó...Mineralogical Regions Czech Republic (Milan Novák) Hungary (Sándor Szakáll) Poland (Ewa Kos/.owska) Romania...Mineral Species Czech Republic (Milan Novák). Hungary (Sándor Szakáll), Poland (Ewa Kos/.owska). Romania...Museums of the Carpathians Czech Republic (Moravia) Hungary Poland Romania Slovakia Ukraine 397 397 399 409...countries, (i.e. the Czech Republic. Slovakia, Poland. Hungary, Ukraine, and Romania). From a mineralogical viewpoint |  | | Journal (article/letter/editorial) | | 20013 pohwatp@si.edu ENARGITE Longfellow Mine, Red Mountain District, San Juan County, Colorado Are all...group is the subject of this column—enargite. The name enargite is derived from the Greek έναργ ής...(001). Enargite also occurs in granular or massive habits. One of the characteristics of enargite crystals...are the striations along prism faces. Although enargite has perfect {110} cleavage, it also has distinct...indistinct cleavage. Twinning is common on {320}, and enargite may occur as interpenetrating trillings having |  | | Journal (article/letter/editorial) | | November 2014 Covellite Summitville, Rio Grande County, Colorado Two minerals are typically formed when...periods when some chance discovery in an active mine makes them briefly available to collectors. Chalcocite...as pseudomorphs after chalcopyrite, chalcocite, enargite, arsenopyrite, sphalerite, and bornite. Excellent...such localities as the Loudville mine, Easthampton, Hampshire County, Massachusetts; Mineral Hill, WakeFigure...Figure 3. An aesthetic specimen from the East Colusa mine, Butte, Montana, consisting of sharply developed |  | | Journal (article/letter/editorial) | | (White & Hedenquist, 1990), are characterized by enargite-gold mineralization, and http://journals.cambridge...New Guinea (Leach & Erceg, 1990) and Lahoca in Hungary (Panto, 1951). Adularia-sericite epithermal gold...evident at the hidden Recsk porphyry copper body in Hungary (Fig. 2). At Recsk, sub-surface exploration has...deposit at Recsk, Hungary, from Zelenka (1975). argillic alteration with or without enargite-gold mineralization...however, even where the two occur in the same district, overprinting of porphyry deposits by epithermal |  | | Journal (article/letter/editorial) | | 69 Enargite. By L. J. SPs~eEIi, B.A., F.G.S., Assistant in the Mineral Department of the British Museum.... J . SPENCER ON F61dtani KSzlSny, V., 158.--Hungary. Sitz. ber. niederrh. Ges. Bonn, 148; (Zeits. Kryst...geol. Reich., 169, 1867 ; M. T6th, Minerals of Hungary, 178, 1882. Luzon.--C. Simon, Berg.-Hfitt. Ztg...i~he following is a complete list of lhe forms of enargite ; t h o s e present on the British Museum specimens...i t c " ; ,, 81~176 81~ 80~176 81~176 ' ' ENARGITE. 78 Also the published measurements for this |  | | Journal (article/letter/editorial) | | 69 Enargite. By L. J. SPs~eEIi, B.A., F.G.S., Assistant in the Mineral Department of the British Museum.... J . SPENCER ON F61dtani KSzlSny, V., 158.--Hungary. Sitz. ber. niederrh. Ges. Bonn, 148; (Zeits. Kryst...geol. Reich., 169, 1867 ; M. T6th, Minerals of Hungary, 178, 1882. Luzon.--C. Simon, Berg.-Hfitt. Ztg...i~he following is a complete list of lhe forms of enargite ; t h o s e present on the British Museum specimens...i t c " ; ,, 81~176 81~ 80~176 81~176 ' ' ENARGITE. 78 Also the published measurements for this |  | | Journal (issue) | | COVELLITE crystal cluster, 3 cm across, From the Leonard mine, Butte, Montana. Frederick H. Pough collection;...colusite, covellite, digenite, djurleite, and enargite rank among the finest in the world. The best of...the Butte mining camp, especially in the Kelley mine, was just full of vug holes . . . the holes, some...located in Butte, at the site of the old Orphan Girl mine. . . . So wrote a trainee miner, Jerry Dolph, concerning...an underground stope at Butte, Montana’s Kelley mine in the early 1970’s (Dolph, 1994). The wonderful |  | | Journal (article/letter/editorial) | | SEPTEMBER_OCTOBER, 1964 MINERALOGICAL NOTES ENARGITE IN THE ZINCT,EADLDET?3R1J"' THE UPPER MISSISSIPPI...the Upper Mississippi Valley district (Heyl et al., 1959) and enargite in the Northern Arkansas (McKnight...districts (Ransome,1935).The identification of enargite from southwesternWisconsin,therefore,not only...and northeasternIowa contains thousands of small lead mines, about 400 zinc mines, and a few copper, barite...pyrite mines. Since 1940 the district has been a major source of zinc and lead as well as of by-product sulfuric |  | | Journal (article/letter/editorial) | | noted Figure 1. Camp Bird mine, level 2, Sneffels district, Ouray County. Raines-Pettem collection,...from the Leadville district, with another 50 million pounds mined in San Juan County (Henderson 1926).... During the twentieth century, the Gilman district surpassed Leadville in total copper production with...Butte mined copper; Colorado mined gold, silver, lead, and zinc. Nearly all of the copper produced in...the Eagle mine’s (Gil304 ROCKS & MINERALS man district) production. This does not mean that copper has |  | | Thesis/Dissertation | | The mineralogy of the Mapimí mining district, Durango, Mexico Item Type text; Dissertation-Reproduction...net/10150/565169 THE MINERALOGY OF THE MAPIMl' MINING DISTRICT, DURANGO, MEXICO by Victor Joseph Hoffmann A...entitled The Mineralogy of the Mapimi Mining District,______ Durango, Mexico______________________________...samples from the mines and offered information on the mine locations and their access. Mr. Salvador Davila...Institution from both the collections of Ojuela mine specimens obtained by Foshag in 1934 and from the |  | | Journal (article/letter/editorial) | | Notes on Enargite. By W. S~M~OSS. [Read October 21Bt, 1884.] H E N I submitted my Paper on Enargite (/}/in...at the Liquidator Mine in Silver Bow county, near Butte City, also at the Gaquon mine. At the Liquidator...large proportion of the ore raised. At the Gaquon mine it is associated with ehaleoclte containing silver...famous " A n a c o n d a " mine ; but as they were then working on the rich lead of the lode (only a portion...Lewis and Clark county, it is probable that it is rather a common ore in the district. The specimens from |  | | Report (volume) | | the Terrill Mountains Area, Holy Cross District, Churchill County, Nevada By Stephen G. Peters, Richard...dated with high precision), the debate continues. Lead, for example, in some epizonal, polymetallic, mineral...in this volume, Ayuso and Smith (chapter A) use lead isotopes to examine the behavior of heavy metals...siliceous magma chamber. Their results show that the lead isotopic composition of different magma batches...epithermal mineralization in the Holy Cross mining district. This work permits an evaluation of the mineral |  | Bendezú, Ronner, Page, Laurence, Spikings, Richard, Pecskay, Zoltan, Fontboté, Lluís (2008) New 40Ar/39Ar alunite ages from the Colquijirca district, Peru: evidence of a long period of magmatic SO2 degassing during formation of epithermal Au–Ag and Cordilleran polymetallic ores. Mineralium Deposita, 43 (7) 777-789 doi:10.1007/s00126-008-0195-1 | Journal (article/letter/editorial) | | New 40Ar/39Ar alunite ages from the Colquijirca district, Peru: evidence of a long period of magmatic SO2...alunite crystals from the large Miocene Colquijirca district in central Peru. Combined with previously published...Academy of Sciences, Bemtér 18/C, 4026 Debrecen, Hungary crosscutting relationships, the duration of the...carried out in the well-exposed Miocene Colquijirca district and includes infra-red (CO2) laser 40Ar/39Ar analysis...Colquijirca district The Colquijirca district, located 12 km south of the Cerro de Pasco district in central |  | | Report (issue) | | important copper ore minerals may include bornite and enargite. Ore minerals occur as disseminations and in stockworks...with a polymetallic assemblage of copper-, zinc-, lead-, and silver-bearing sulfide minerals. Example...substantial amounts of copper may occur as bornite, enargite, and chalcocite. By-product minerals frequently...advanced argillic ore-sulfide assemblage is pyrite + enargite + marcasite + chalcocite (Milu and others, 2004)...shown that copper, molybdenum, gold, silver, barium, lead, zinc, arsenic, antimony, and tellurium make up |  | | Journal (article/letter/editorial) | | Minerals of the Centennial Eureka Mine, Tintic District, Eureka, Utah Downloaded by [North Carolina...collection THE TINTIC DISTRICT in Utah has been mined for gold, silver, copper, lead, and zinc since 1869...1869. The district can be divided into two subdistricts: (1) The Main Tintic subdistrict, centered on the...the Tintic district during the last fifty years. This has changed because some of the old mine dumps in...for low-grade gold. All of the Centennial Eureka mine dump was screened. The small-sized material was |  | | Journal (article/letter/editorial) | | OF THE GEOCHEMISTRY OF SPHALERITE, CENTRAL CITY DISTRICT, COLORADO P. K. SIMS AND P. B. BARTON, JR. with...as a part of a larger study of the Central City district, Colorado,have been undertakento learn somethingof...uentof the gold- and silver-rich veins of the district. It was depositedduring one stage of mineralization...environmentsof the concentricallyzoned district except in the core. On a district-wide basis it occurs in three...sphalerite-pyrite-tennantite-galena,and sphalerite-pyrite-enargite-tennantire-galena. Quartz and, locally, other |  | | Book (edition) | | CITY, UTAH. WRITE FOR PRICES. YOU WANT A GOOD MINE! MANY YEARS EXPERIENCE IN MINl^S AND MINERALS...LAKE CITY, UTAH. MINERAL LOCALITIES. BEAVER COUNTY. (Vy Beaver City, near; hyalite, banded in brownish...white to nearly colorless. Beaver Lake District; azurite. 0. K. Mine; bornite, chalcocite, chalcopyrite...limonite, malachite, molybdite, pyrite. Bradshaw District; aragonite, aurichalcite, cerussite, cuprite,...often phosphorescent, wollastonite. Granite District; almandine garnet, barite, bismuth - inite. |  | | Report (issue) | | . . . . . . . . . . . . . . . . . . . . . . 1 County Listings. . . . . . . . . . . . . . . . . . . .... . . . . . . . 4 Mineral Localities Listed by County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 7 Beaver County . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . 7 Box Elder County . . . . . . . . . . . . . . . . . . . . . . . .... . . . . . . . . . . . . . . . . . . 10 Cache County . . . . . . . . . . . . . . . . . . . . . . . |  | | Report (issue) | | 1 COUNTY REPORT HYSICAL >ci 8 PHYSICAL •CI. .Lib. IES TN 24 C3 1ERAL RESOURCES OF A34 1 IPINE...IPINE COUNTY, CA! IA -*ci?2®^?^a£~Vfes^A^Gw^i I ver Mou nta i nV-*- Digitized by the Internet...ALPINE COUNTY, CALIFORNIA by WILLIAM B.CLARK With sections on the Zaca gold-silver mine and the...the Leviathan COUNTY REPORT sulfur mine by James R. Evans 8 1977 CALIFORNIA DIVISION OF MINES AND...2 i DOCS. -US Frontispiece. Typical Alpine County scenery. View looking southeast across Twin Lakes |  | | Journal (article/letter/editorial) | | Mothe.rLodesystem, California(calcite,S.). Shasta County, California (Kemp). One occurrencein Black Hills...HancockCounty,Maine (calcite and quartz,Kemp). Yale District, British C,elumbia(Kemp). Jalisco, Mexico (Kemp)...writer. W. 24 J. SHARWOOD. Minas Geraes district, Brazil (Henwood). Clogau and St. David's gold...conditionis observablein specimensof telluridescontaining lead or bismuth (usually somewhataltered) from certain...(Tuolumne County, California), and in the coarsefree g,o•dwith bismuth sulpho-tellurideof the Cable Mine, Montana |  | | Journal (article/letter/editorial) | | interesting assemblageof mineralsin the lead-zincdepositsof the Tri-State District has been known and many papers...portion of the specimenfrom the Barr Mine. The black crystals of enargite can be seen on the calcite crystals...center of the picture. presence of the mineral enargite in this region.l It is further believed that plumbojarosite...plumbojarosite has never been describedfrom the district. The basisfor the following presentationis a very...cavesin the Barr Mine, located in the Picher District, 1 McKnight, E. T., Occurrence of enargite and wulfenite |  | | Report (volume) | | Economic Geology of the Idaho Springs District Clear Creek and Gilpin Counties, Colorado GEOLOGICAL (=)...1208 * Economic Geology of the Idaho Springs District Clear Creek and -i ;i ?i Gilpin Counties, Colorado...____ Mines and prospects in the Idaho Springs district ________________ Previous studies.___________...----___ 58 Pyritic lead-zinc veins_____________________________________ Lead-zinc veins-__________...in pocket] PLATE 1. Map of the Idaho Springs district, Colorado, showing location of mines and distribution |  | | Journal (article/letter/editorial) | | beneaththeir summitregions(Fig. 1). Gold-bearing enargite mineralizationis characteristicallyassociatedwith...PapuaNew Guinea(Whalen et al., 1982), andRecsk,Hungary(Baksaet al., 1980), porphyrycopperstocksare recognizedto...springsinters(Fig.2), asat Delamar(Pansze, the Divide district(Bonham and istic of Summitville (Perkins and Nieman...locations deposits,asthey probablyalsoare for enargite-bear- of epithermalmineralizationwithin or aroundlittleing...involvesanalysisof cuttingsfor metalsof posguio district)(Sawkinset al., 1979) have shownthat sibleeconomicsignificance |  | | Journal (issue) | | fluorite crystal group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection;..................................... Quiruvilca district, Santiago de Chuco province, department of La.................................... Pasto Bueno district, Pallasca province, department of Ancash R a u............ Raura district, Cajatambo province, department of Lima Pachapaqui district, Bolognesi province...Huallanca district, Dos de mayo province, department of Huanuco Huanzala mine Mercedes mine Chiurucu mine |  | | Journal (issue) | | Gressman tom.gressman@minrec.org The Tintic District: Juab and Utah Counties, Utah...................COVER: CLINOCLASE, 3.9 cm, from the Mammoth mine, Tintic District, Utah. Rock Currier collection; Jeff Scovil...sample of a pascoite group mineral at a mine in Grand County, Utah. Died, Alex Earl, 26 Jayson Alexander...over the American West. A trip to the Blue Bell mine near Baker, California, in 2016 was particularly...brochantite, 2-mm view, from the Posey mine, San Juan County, Utah. Alex Earl collection and photo. 139 |
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