 | | Journal (article/letter/editorial) | | pohwatp@si.edu ENARGITE Longfellow Mine, Red Mountain District, San Juan County, Colorado Are all things...the north orebody of the Longfellow mine, Red Mountain district, San Juan County, Colorado. Specimen...crystal classes. A familiar example is pyrite and marcasite. Both are iron sulfide in composition, but pyrite...pyrite crystals are isometric whereas marcasite crystals are orthorhombic.) Enargite and luzonite are ores...sedimentary-hosted lead-zinc deposits of the Tri-State district in the United States. It is known to replace pyrite |  | | Catalog/List | | good stuff that used to come out of the Marencl mine, ~ut the price is a whole lot better. specimens...00 eaoh. CLEANED COPPER AND MALACHITE: Southwest Mine, Bisbee, Arizona: I've had these for a few years...PYRITE, GALENA, SPHALERITE: Various localities, Peru: Check out our Peruvian pages to get an idea of...spent the past three years living and working in Peru and had just moved back with all the goodies he...juat collected this spring immediately before the mine was closed for refilling and reolalmlng. There will |  | | Journal (issue) | | TSKnerals of i'eru ! Indian miner, Cerro de Pasco, Peru, 1869 (Simonin, 1869). J3E(mes and J3E(merals...crystal group, 7 cm, from the Huanzala mine, Dos de Mayo Province, Peru. Marty Zinn collection; Jeff Scovil............................... History of Peru Mining in Peru The Mineral Specimen Business C o l l e c....................... Quiruvilca district, Santiago de Chuco province, department of La Libertad PASTO.......................... Pasto Bueno district, Pallasca province, department of Ancash R a u r a -H u |  | | Report (issue) | | metal-bearing, epithermal deposits of Mexico and Peru by Nora K. Foley Open File Report 84-633 This...districts Guanajuato District, Guanajuato, Mexico References Geologic map of Guanojuato District, Mexico Pachuca-Real...del Monte District, Hidalgo, Mexico References Geologic map of Pachuca-Real del Monte District, Mexico...Colqui District, Lima, Peru References Geologic map of Colqui District, Peru Julcani District, Huancavelica...Huancavelica, Peru References Geologic map of Julcani District, Peru 1 2 3 4 4 10 11 12 16 18 19 24 25 26 |  | | Journal (article/letter/editorial) | | ANTIMONY, AND CARBONACEOUS MATERIAL AT THE HUANCAVELICA DISTRICT, PERU DONALD C. NOBLE Mackay Schoolof Mines...PerubarS.A., Juande Arona 830, SanIsidro, Lima 18, Peru Introductionand GeologicSetting native mercury...assemblageoccursmainly as impregnations of the district have been describedby Yates et al. in the quartzite...re presentin surmine, the mostimportantin the district (Fig. 1), is roundingareas.Pyrite and tetrahedriteare...and clay.Tracesof barite, temptsof bulk mining. marcasite,galena, and sphaleritewere observedin Mineral |  | | Journal (article/letter/editorial) | | GEOLOGY AND MAJOR ORE DEPOSITS OF CENTRAL ULRICH PERU PETERSEN CONTENTS PAGE Abstract ..............the center of the districts to the margins. This district zoning is modifiedby local or orebodyzoning and...complexenterprise,includingthe Goyllarisquizga coal mine, concentrating, smelting,and refiningfacilitiesand...observations and ideas. MAJOR ORE DEPOSITS OF CENTRAL PERU 409 General summariesare presentedby McLaughlin...ßO0•A BASILIA YAURIOOCHA LOCATION CENTRAL 50 MAP PERU 0 50 •ILOM[T[RS ß Fro. 1. Locationmap. GASTROVlRREYNA |  | | Report (issue) | | distinctive late-stage botryoidal pyrite and marcasite, with lesser stibnite, sphalerite, and pyrargyrite...photomicrograph of the sample's early stratigraphy shows marcasite, banded pyrite, and stibnite. The field of view...uppermost ore zones of all vein systems in the district. SLIDE LEFT 3 - Photo, late-stage Creede botryoidal...-29%o) are pyrite, the green (band labeled +35%o), marcasite. As shown in the plots of 834S and trace element...right, the heaviest 534S values occur in the marcasite, whereas the lightest 5->4S values occur late |  | | Journal (article/letter/editorial) | | 35Sb1.35)Σ2.70S6, has been found at Kutná Hora ore district, Czech Republic. The mineral occurs in the late-stage...Staročeské pásmo Lode of the Kutná Hora base-metal ore district, Czech Republic, during an extensive search for...for bismuth sulfosalts in the ore district. It is named after the type locality. The history of the mineral...of bismuth mineralization from Kutná Hora ore district were measured using an electron probe microanalyser...description of the new mineral terrywallaceite from Huancavelica, Peru (Yang et al., 2013), which is also a Bi–Sb |  | | Journal (issue) | | County, WI, photo by Dan Behnke. New Finds from Peru Isaias Casanova PO Box 1376 Goldenrod, Florida 32733-1376...Nevada 89513 Specimen production and recovery from Peru seems to be active again. Just when we were tiring...sulfide combinations oul of Casapalca, Huaron, and Julcani, along with the occasional scallered rhodochrosites...something to talk about. Last year the Chiurucu Mine in Huanuco Department. proAuced the best rhodonitcs...out of the several hundred recovered. Southern Peru is beginning to pick up with a number of new and |  | | Report (issue) | | Geological Survey, Reston, Va.; V. Raul Eyzaguirre, Lima, Peru; Fernando Urquidi B., American Embassy, La Paz,...Argentina, western Boliva, northern Chile, and southern Peru, are potential targets for hydrothermal mineral...volcanism in the central Andean region of southern Peru, northern Chile, western Bolivia, and northwestern...investigations. 1 76" 68' 72° \ 12° 12° PERU Macusani > 16' ijj®...(1984 and the Institute de Geologia y Vh'neria del Peru (1975). 1A Although many papers about the young |  | | Report (issue) | | deduction of 0.97% insol. and 0.56% pyrite. (2) Huaron, Peru; by electron microprobe. (3) Cu3 AsS4 . Polymorphism...silver, gold, marcasite, alunite, barite, quartz. Distribution: From the Lepanto mine, Mankayan, Luzon...Philippines [TL], as an ore mineral. In the Chinkuashi mine, Keelung, Taiwan. In Japan, at the Teine, Morino...La Rioja Province, Argentina. In the Julcani district, at Cerro de Pasco, and at Huaron, Peru. In the...Golden Chariot mine, Jamestown district, Nye Co., and in the Burrus vein, Pyramid district, Washoe Co.; |  | | Journal (article/letter/editorial) | | Geological and Hydrothermal Processes, Northern Peru a b Andrew W. Macfarlane , Rosa-Maria Prol-Ledesma...Geological and Hydrothermal Processes, Northern Peru, International Geology Review, 36:7, 645-677, DOI:...Geological and Hydrothermal Processes, Northern Peru A N D R E W W. MACFARLANE, Department of Geology...Abstract Mineralization in the Hualgayoc district of northern Peru occurs in altered Miocene felsic intrusions...rock-hosted base-metal veins. Igneous rocks in the district are affected by propylytic, sericitic-argillic |  | | Journal (article/letter/editorial) | | geological environments. They are: Henderson I1 mine (Cu, Au), Chibougamau, QuCbec-mineralized shear...Strathcona mine (Ni, Cu), Levack, Ontario-massive sulfide deposits in norite and gabbro; Thompson mine (Ni,...orebodies associated with serpentinites; Nigadoo River mine (Pb, Zn, Cu), Gloucester County, New Brunswick-sulfide...veins intruding porphyry and sediments; Silvana mine 186 ROCKS & MINERALS (Ag, Pb, Zn), Sandon, British...Columbia-uartz veins in metamorphosed metasediments; Advocate mine (asbestos), Baie Verte, Newfoundland-fracture zones |  | | Journal (issue) | | Sulfosalt Environment: The Mineralogy of the Julcani District, P e r u ............................................ 247 WULFENITE—from level 4 of the 79 mine, Gila County, Arizona. The specimen was collected...their help, and their country, where a change in mine ownership has also response has been wonderful....Individuals who have con sometimes meant a change in mine name. How many sented to serve as members of this... VIOLARITE FROM N IIH tlf A L u ■THE GAP NICKEL MINE by J. A. Speer and E. C. M artin Virginia Polytechnic |  | | Journal (issue) | | except the Dale Beck Valley, Dry Gill and Carrock End Mine. Grahamis hoping to get the permit system properly...still very much a 'frontier place'. One supposed mine was started by a character called Otto van Stryk...Stryk who thought he had found a huge iron mine. Alas, he never got any useable ore out of it. Rick went... So now it is recognised as a potential uranium mine! Another anecdote involved a light plane brought...amethyst, fluorapatite and tourmalines. Rossinguranium mine, a uraniferous granite, was also mentioned. Rick |  | | Journal (article/letter/editorial) | | phasesare depositedprogressively farther from the district center (Stoces,1934; Park, 1955; Barnes, Base...Assemblages deposits, such as Quiruvilca and Julcani, suggest a Pasco,Peru, hasproducedmorethan 66 millionmettemporal...-t- sericite tivity away from the center of the district (Petersen, Einaudi, 1982). and/oradvancedargi...observationsin somebasemetal lodes placedby pyrite + marcasite;and early pyrrhotite thathighfs2phases replacelowfs2phases...changein fluid chemistry(GratonandBowditch, 1936). At Julcani,advancedargillicalteration preceded vein-fill deposition(Deenet |  | | Report (issue) | | steam-heated environments, such as those at the Tolfa district, Italy and Marysvale, Utah, and numerous modern...epithermal deposits such as Summitville, Colorado; Julcani, Peru and Red Mountain, Lake City, Colorado are characterized...Arribas, Jr., currently studying the Rodalquilar district in Spain as part his Ph. D. program, and Jeff...recently completed a Ph. D. dissertation on Julcani, Peru each conducted the stable isotope portion of...of acid-sulfate alteration in the Red Mountain district near Lake City, Colorado, and supplied samples |  | | Journal (article/letter/editorial) | | INTERMEDIATE-SULFIDATION PALLANCATA DEPOSIT, AYACUCHO, PERU Jorge E. GAMARRA-URRUNAGA§ International Minerals...later open space infill resembles the Shila Paula district (Chauvet et al. 2006). Fluid inclusion petrography...pearceite–polybasite, acanthite, uytenbogaardtite, Peru Introduction The Pallancata vein occurs in the...southeast of Lima in the district of Coronel Castañeda, Parinacochas province, Ayacucho department, at...address: joredgu@outlook.com in dilational areas. The mine went into production in September 2007 and ranks |  | | Journal (article/letter/editorial) | | Metal Ratiosof the Quiruvilca Mining District, Northern Peru PAULJ. BARTOS ASARCOInc., RockyMountai...generate too muchnoiseto discernsignificantpatterns. District-scale metalratiosof basemetallodedepositsshowconsiderable...Thisstudydealswiththe southern partof theQuiruvilcabasemetallode district(Coco-LuzAngelica area),whichis locatedapproximately...locatedapproximately 80 km eastof Trujillo in north-central Peru (Fig. 1). Detailsof the districtandregionalgeologyare...districtresembles other basemetal lodessuchasJulcani,Peru (Petersenet al., 1977); CentralCity, Colorado(Simsand |  | | Catalog/List | | <2x1t", £4. SOp /-. " 9. AUTUNITE." South Terras Mine, St. ~e~; Cornwall. Pale green flakes and masses...places. 2~2x1t", £18.00 11. AZURITE. Sir Domoni r Mine, Mt. Painter, S. Auatralia. Select cluster of large...3-~x2il-x2", £23.00 14. BARYIES. Mt. Wellington Mine, Twelveheads, Cornwall. Specimen A: Lustrous creamygrey...mass. 1~x1x~", £3.50p 15. BARYTOCALCITE. Nentsberry Mine, Alston Moor, Cumberland. Fine lustrous golden-brown...3x2-}x1i.-", £9.00 16. BARYTOCALCITE. Nentsberry Mine, Alston Moor, Cumberland. Select sharp tabular crystals |  | | Catalog/List | | lxl £8 rich orange coatiing on matrix Moon Anchor Mine,Maricopa ½" £5 Pb Zn CrO SiO F County,_ Arizona...Violet micro crystals on I cm white matrix Fuka Mine. Oicchu-cho, 1cm £8 Ca y11 ~ Q~l__. __ . .. ~a\Vll~mi~gu...Greenish-yellow . relatively rich coating on Moon Anchor Mine. Mariposa 5mm £4 I cm £8 . _P~_Cu_qll(As__~) 011...or more micro wires and crystals on Julcani, Huancavelica, Peru 1cm £7 -~.':,1 _ _ _____ ____ --· --...Russia ½" £7 K Mn Nb Ti SiO OOH -- - ----Lucky Cuss Mine, lxl £8 lx2 £20 479 QUEITITE Many small white blades |  | | Journal (issue) | | Cd-bearing phosphate mineral from the Gold Quarry mine, Eureka County, Nevada . . . . . . . . . . . . ...crystal cluster, 7.3 cm, from near Bapu, Guangdong Province, China. Rob Lavinsky specimen, now in the Tom...recovered from the dumps of this small mine. Local collectors reworked the mine dumps many times in search of...about 325 meters southwest of the Bishop manganese mine. The locality was early on referred to as a “copper...spatially distinct from the nearby Bishop manganese mine. The dumps do not contain significant manganese |  | Gibson, Peter Craig, Noble, Donald C., Benavides, Raúl G., Mayta, Oscar T. (1993) Discovery, Development, and Production of a Blind Ag-Au Bonanza in the Calera Vein, Orcopampa District, Peru. International Geology Review, 35 (9) 780-796 doi:10.1080/00206819309465557 | Journal (article/letter/editorial) | | Ag-Au Bonanza in the Calera Vein, Orcopampa District, Peru a a b Peter Craig Gibson , Donald C. Noble...Ag-Au Bonanza in the Calera Vein, Orcopampa District, Peru, International Geology Review, 35:9, 780-796...Ag-Au Bonanza in the Calera Vein, Orcopampa District, Peru 1 P E T E R C R A I G G I B S O N , D O N A...Villaran 790, Urbanization Santa Catalina, Lima 13, Peru Downloaded by [University of Montana] at 11:04...of the adularia-sericite type in the Orcopampa district were worked during Spanish times and since 1965 |  | | Journal (issue) | | the Thomas Vein, Central l(entuclry Fluorspar District Alan Goldstein 1607 Washington Blvd. Louisville...of the more famous Illinois-Kentucky lluorspar district. (Despite the editor-produced title in Goldstein...mineral name.) The Central Kentucky lluorspar district is certainly less wellknown, having been sporadically...northern end of district. For a review of the ,eneral geology of history of the district, see Anderson...minerals were found on one of the umps of the Diamond Mine northeast of Grand Rapids, Minesota. Although not |  | | Journal (article/letter/editorial) | | Elbaite with quartz and albite, Tourmaline Queen mine, San Diego County, California. Houston Museum of...Wapiti group of claims, Farncomb Hill, Breckenridge district, Summit County, Colorado. Denver Museum of Natural...September/October: Azurite on malachite ring, Flambeau mine, Ladysmith, Rusk County, Wisconsin. Dan Behnke specimen...NovemberDecember: Galena, calcite, and chalcopyrite, Sweetwater mine, Reynolds County, Missouri. Marvin Rausch specimen...Barwood, H., Red and Pink Variscite from the Wood Mine, Cocke County, Tennessee, 268-70 Beaverite, Arizona |
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