 | Yesares, Lola, Aiglsperger, Thomas, Sáez, Reinaldo, Almodóvar, Gabriel R., Nieto, José Miguel, Proenza, Joaquín A., Gómez, Carmelo, Escobar, Juan Manuel (2015) Gold Behavior in Supergene Profiles Under Changing Redox Conditions: The Example of the Las Cruces Deposit, Iberian Pyrite Belt. Economic Geology, 110 (8) 2109-2126 doi:10.2113/econgeo.110.8.2109 | Journal (article/letter/editorial) | | Changing Redox Conditions: The Example of the Las Cruces Deposit, Iberian Pyrite Belt Lola Yesares,1,†...University of Huelva, Avenida de las Fuerzas Armadas, S/N, 21071 Huelva, Spain de Cristal·lografia, Mineralogia...Barcelona, Spain 3Geological Area, Mining Department of Cobre Las Cruces S.A., Gerena, Seville, Spain Abstract...Abstract The Las Cruces deposit is in the eastern end of the Iberian Pyrite Belt (SW Spain). It is currently...currently being mined by Cobre Las Cruces S.A. The main operation is focused on the supergene Cu-enriched |  | Yesares, Lola, Sáez, Reinaldo, Nieto, José Miguel, de Almodóvar, Gabriel Ruiz, Cooper, Stephen (2014) Supergene enrichment of precious metals by natural amalgamation in the Las Cruces weathering profile (Iberian Pyrite Belt, SW Spain) Ore Geology Reviews, 58. 14-26 doi:10.1016/j.oregeorev.2013.10.004 | Journal (article/letter/editorial) | | amalgamation in the Las Cruces weathering profile (Iberian Pyrite Belt, SW Spain) Lola Yesares a,⁎, Reinaldo...Avenida de las Fuerzas Armadas, S/N, 21071 Huelva, Spain Technical Department of Cobre Las Cruces S.A., Ctra...Ctra. SE-3410, Km 41,100, 41860 Gerena, Seville, Spain a r t i c l e i n f o Article history: Received...October 2013 Keywords: Au–Ag–Hg amalgams Gossan Las Cruces ore Iberian Pyrite Belt Au Ag Hg a b s t r a...a c t Natural Au–Ag–Hg alloys occur in the Las Cruces ore deposit, in the eastern part of the Iberian |  | Yesares, Lola, Sáez, Reinaldo, Nieto, José Miguel, De Almodovar, Gabriel Ruiz, Gómez, Carmelo, Escobar, Juan Manuel (2015) The Las Cruces deposit, Iberian Pyrite Belt, Spain. Ore Geology Reviews, 66. 25-46 doi:10.1016/j.oregeorev.2014.10.019 | Journal (article/letter/editorial) | | elsevier.com/locate/oregeorev The Las Cruces deposit, Iberian Pyrite Belt, Spain Lola Yesares a,⁎, Reinaldo...University of Huelva, Avenida de las Fuerzas Armadas, S/N, 21071 Huelva, Spain Geological Area, Mining Department...Department of Cobre Las Cruces S.A., Ctra. SE-3410, Km 41, 100, 41860 Gerena, Seville, Spain a r t i c l e...2014 Available online 30 October 2014 Keywords: Las Cruces deposit Iberian Pyrite Belt Supergene enrichment...enrichment Gossan a b s t r a c t The Las Cruces deposit is located at the eastern margin of the Iberian Pyrite |  | Tornos, Fernando, Velasco, Francisco, Slack, John F., Delgado, Antonio, Gomez-Miguelez, Nieves, Escobar, Juan Manuel, Gomez, Carmelo (2017) The high-grade Las Cruces copper deposit, Spain: a product of secondary enrichment in an evolving basin. Mineralium Deposita, 52 (1) 1-34 doi:10.1007/s00126-016-0650-3 | Journal (article/letter/editorial) | | 1007/s00126-016-0650-3 ARTICLE The high-grade Las Cruces copper deposit, Spain: a product of secondary enrichment...authorized users. Introduction Abstract The Las Cruces deposit (Iberian Pyrite Belt) includes a large...Ajalvir km. 4.5, Torrejon de Ardoz 28850 Madrid, Spain 2 Dpto. de Mineralogía y Petrología, Facultad...Universidad del País Vasco UPV/EHU, 48080 Bilbao, Spain 3 U.S. Geological Survey, National Center, MS...Tierra (CSIC-UGR), Avda. de las Palmeras, 4, 18100, Armilla Granada, Spain 5 C\ Diecinueve de Octubre |  | | Journal (article/letter/editorial) | | (Manzano Mountains), E. of Albuquerque. Galena King mine: barite, fluorite, galena, malachite. Hell Canyon...Canyon subdistrict (Seiiora de 10s Milagros mine): copper, cuprite, malachite. Catron County Apache Creek...stolzite. Wilcox district, S. of Mogollon. Lone Pine mine: emmonsite, khademite, lannonite,* mackayite, poughite...poughite, rajite,* tellurium, wilcoxite.* Sacaton mine, Blue Rock and Bit Spar prospects: fluorite. Volume...Mountains. Stevens mine: barite. Hembrillo district, San Andres Mountains. Red Rock mine: talc. Kilbourne |  | | Journal (article/letter/editorial) | | Collector R O B E R T G. MYERS 1835 Camino del Rex Las Cruces, New Mexico 88001 If you collect minerals and/or...1978 4 sh Emperor gold mine and gold ore January 13, 1969 40 c Emperor gold mine and gold ore FRANCE July...MINERALS EAST GERMANY November 11, 1965 20 pf proustite crystals 25 pf sulphur crystals May 21.1969 5...pf malachite 25 pf amethyst 35 pf halite 50 pf proustite February 6, 1973 10 pf Lebachia speciosa 15 pf...c diamond (cut) December 9, 1961 10 sh diamond mine and rose diamond SWITZERLAND (all semi-postal) |  | | Book (volume) | | Energía Universidad Politécnica de Madrid Madrid, Spain ISBN 978-3-031-18953-1 ISBN 978-3-031-18954-8 https://doi...ThinSectionLab, France; KGHM, Poland; Cobre Las Cruces, Spain, UPM-Consortium leader) is gratefully acknowledged...interstitial chalcopyrite. Py02, Moeche, Coruña, Spain 1.2 Classification Criteria for Textural Analysis...with evidence of deformation. AL-4, Almuradiel (Spain) (d + p) 14 1 Intergrowths and Textures Fig...triangular pits due to polishing; the gray mineral is proustite. CR329, Imiter, Morocco (dsp) 1.2 Classification |  | | Journal (issue) | | M ontreal Mine! L L The Mineralogical Record MAY–JUNE 2020 • VOLUME 51 • NUMBER 3 • $25 & Wayne...gemgypsy@bellsouth.net MAY–JUNE 2020 Articles The Montreal mine, Iron County, Wisconsin ........................... 487 COVER: BARITE, 6.5 cm, from the Montreal mine. David and Karen DeBruin collection, ex Muscatine...crystals to 1.6 cm on vesuvianite from the Crazy Sphinx mine, Helena District, Lewis and Clark County, Montana...world-class realgar specimens from the Royal Reward mine, Green River Gorge, King County, Washington. The |  | | Journal (issue) | | Islet Famous mineral localities: the Silver Islet mine, O n ta rio ............... 49 by W. E. Wilson ...photo © SILVER crystals, 3.3 by 4.5 cm, from the mine, Kongsberg, Norway. (See the this issue.) Keith...silver mines at all in Asia. He does mention a silver mine in Macedonia that used to yield a talent of the...out, a for tuitous discovery was made in distant Spain. An intense forest fire on a certain mountainside...January-February, 1986 Figure 2. Interior of a German silver mine, 1830s. Photo Deutsches Museum, Miinchen. hillside |  | | Report (issue) | | Dolores for milling the ores from the celebrated Ortiz mine in Santa Fe County; one at the gold camp of Pinos...Pinos Altos in Grant County; and one at the Aztec mine at the head of Ute Creek on Baldy Mountain, in Colfax...Oro, constituting what is now known as the Ortiz mine. In the Los Cerrillos district, a few miles west...water level and have been flooded ever since the mine was originally abandoned, the full extent of underground...remnants of an old canoe were still in evidence in the mine. This curious water HISTORICAL 11 craft was |  | | Journal (issue) | | Tampa, FL Correspondents Miguel Calvo Zaragoza, Spain Michael P. Cooper Nottingham, England Thomas P....Volume Thirty, Number Five Articles The Mex-Tex mine, Bingham, N ew M exico............................Van Pelt. Long thought to be from the "Sapucaia mine," this speci men and others (representing the first...quartz crystals) actually came from the Berilo Branco mine. See the article beginning on page 361.___________...Issue Benitoite, Gold L.A. County Museum, Himalaya mine $10 v.9/#3 Kalahari rhodochrosite, Paterson (NJ) |  | | Journal (issue) | | photo by Harold and Erica Van Pelt, Los Angeles MINE [RaL OG MANUEL Ol) MIN£RAl ° C Editor & Publisher...Articles Famous mineral localities: The Orford nickel mine, Quebec, Canada...................................Ottawa, Ontario K 1P 6P4 Canada The Orford nickel mine has been a popular collecting site fo r chromian...largest nickel companies. LOCATION The Orford nickel mine is situated in Lot 7,1 Range XII, Orford Township...It is about 800 meters east of Nickel Mine Bay (Baie Nickel Mine) on Brompton Lake (Lac Brompton), in |  | | Journal (issue) | | net SEPTEMBER–OCTOBER 2023 Articles The Dry Gill Mine, Caldbeck, Allerdale, Cumbria, England............containing a wet and dry cave environment and a mine. He was active in the Tucson Gem and Mineral Society...TRINCHILLO TOURMALINE WITH LEPIDOLITE Cruzeiro Mine, Brazil 16 cm | w w w.FineMineral.com Fine... /crystal.classics.fine.minerals The Dry Gill Mine Caldbeck, Allerdale, Cumbria, England Peter S. Burr...to green, barrel-shaped crystals at the Dry Gill mine in Cumbria, England. It is among the most attractive | | | Report (issue) | | penetrate the water level and have been since the mine of metallurgist Mississippi appear with incline... what del Tierra. interest of Ute the Ortiz mine. as metalliferous workings as exist head famous...in Santa mine of Pinos camp The first experiments in were at Dolores one Aztec mine at Baldy... 1870 the remnants of still in evidence in the mine. is not the known. old canoe This curious...as he at that time City of Mexico, sent a Spain, to coined at the Royal Mint. of the old smelters |  | | Journal (issue) | | Famous Mineral Localities: The Erupción/Ahumada Mine, Los Lamentos District, Chihuahua, Mexico ........Wallace & M. K. Hall-Wallace Las Vigas Famous Mineral Localities: Las Vigas, Veracruz, Mexico ........Gerhard Frenzel Sierra de Cruces (Lake Jaco) Red grossular from the Sierra de Cruces, Coahuila, Mexico .....minrec.org Front Cover WULFENITE from the Ahumada mine, Los Lamentos District, Chihuahua, Mexico; 6.6 cm...gathering around a natural amphitheater amid the mine buildings and headframes in order to hear what we |  | | Journal (issue) | | the Unificada mine, Potosi, Bolivia. Top right: Benitoite, 2 cm, from the Benitoite Gem mine, California...N‘Chwaning I mine, Kuruman, South Africa. Bottom right: Mimetite, 2.7 cm, from the Tsumeb mine, Namibia....Record: (1) Stephanite, Husky mine, Canada. (2) Wulfenite, Rowley mine, Arizona. (3) Diaspore twin, Pinarcik...Adelaide mine, Tasmania. (5) Andradite, Antetezambato, Madagascar. (6) Calcite, Mashamba West mine, Congo...Afghanistan. (8) Scorodite, Tsumeb mine, Namibia. (9) Shigaite, N’Chwaning II mine, South Africa. v This special |  | | Book | | enter must be obtained to prevent trespass. Old mine workings are dangerous and entering underground...oFtne ato aa Gem Ghd nQkTeane Uva a nes ly ia" mine Ui nrobs inesob cere ts ou ioe tok us 'aaieomolitt...exception of the rhodochrosites of the Sweet Home Mine, Alma, Colorado, which were loaned for photography...basins filled with similar sediments. East of Las Cruces the Organ Mountains, remnants of an old batholith...Copper Mine. It has been the most productive mineralized area in New Mexico. Between Las Cruces and the |  | | Book | | polyhalite 62 powellite 63 molybdenite /6, 17 proustite 17, /7 mimetite 68, 68 molybdates 55, 63 prehnite...on Mount Amiata, Tuscany (Italy), and Almadén (Spain). In the United States it is found in California...especially near Kimberley); diamonds from the Kimberley mine are embedded in ultrabasic blue rock called kimberlite...carats, equal to 621 grams) was found at the Premier Mine; named the Cullinan diamond, it was presented to...Switzerland and at Picos de Europa near Santander in Spain. Very lustrous black crystals of marmatite |  | | Journal (issue) | | Blauwet Louisville, Colorado Miguel Calvo Zaragoza, Spain Renato Pagano Milan, Italy Joe Polityka Staten Island...p. 258 COVER: COPPER, 8.3 cm, from the Central mine, Keweenaw County, Michigan—considered by some to...fine minerals on DVD wilensky Fluorite, Huanzala mine, Dos de Mayo Province, Peru. Wilensky Fine Minerals...and Other Minerals from the Mammoth-St. Anthony mine, Tiger, Pinal County, Arizona Chapter authors: Les...Presmyk and Tony Potucek The Mammoth-St. Anthony mine at Tiger has produced not only large amounts of |  | | Book | | Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...origin in association with acanthite, stephanite, proustite, pyrargyrite, copper and many other minerals....100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds...many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes from...110 mm (47.6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets |  | | Journal (issue) | | Dayvault 214 Turquoise from Virginia's Kelly Bank Mine Richard S. Mitchell Howard R . Freeland 219 A...Collector ROBERT G. MYERS 183S Camino del Rex Las Cruces, New Mexico 88001 If you collect minerals and/or...collecting rocks FUI July 15, 1978 4 sh Emperor gold mine and gold ore BRAZIL June 8 1974 40 c sandstone...sandstone cliffs January 13, 1969 40 c Emperor gold mine and gold ore FRANCE July 8, 1975 September 27, 1969...••• •• E~TGERMANY November 11 , 1965 20 pf proustite crystals 25 pf sulphur crystals May21.1969 5 pf |  | | Journal (issue) | | Dayvault 214 Turquoise from Virginia's Kelly Bank Mine Richard S. Mitchell Howard R . Freeland 219 A...Collector ROBERT G. MYERS 183S Camino del Rex Las Cruces, New Mexico 88001 If you collect minerals and/or...collecting rocks FUI July 15, 1978 4 sh Emperor gold mine and gold ore BRAZIL June 8 1974 40 c sandstone...sandstone cliffs January 13, 1969 40 c Emperor gold mine and gold ore FRANCE July 8, 1975 September 27, 1969...••• •• E~TGERMANY November 11 , 1965 20 pf proustite crystals 25 pf sulphur crystals May21.1969 5 pf |  | | Book | | Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...origin in association with acanthite, stephanite, proustite, pyrargyrite, copper and many other minerals....100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates...many localities in California, USA (Colorado Quartz mine, Nigger Hill and others). Fine leaf gold comes from |  | | Journal (issue) | | atural H istory) Hydroboracite from the Thompson Mine, Death Valley... 21 James W. M inette David P. W...postage paid at Bowie Md. 20715 The Stevenson Bennett Mine, New Mexico........................31 Janet Hammond...1-1/2 x 2-1/2”. $35.00. 337. SIDERITE. Old Sterling Mine, 138. EMERALD (Beryl). Muso, Colom Antwerp, N.Y...1-1/2 x 2-1/2”. $15.00. 463. EPIDOTE. Green Monster Mine. Prince of Wales Is., Alaska. One small bruise shows...1-1/2”. $6.00. 555. ARAGONITE. Minglailla, Cuenca, Spain. A sharp lustrous pseudo hexag onal twin. 1-1/4 |  | | Journal (issue) | | crystal with calcite, 6.5 cm, from the Cosq uez mine, Colombia; found in 1998. Scott Rudolph collection...Fact ........................ 8 The Age of New Spain ............................................ 10............................................... 22 Mine Exploitation (or not) Today ......................Colombia. From the early 16th century, when Imperial Spain took over deposits at Chivor, Muzo and Cosquez,...occurrences (abandoned), The Nemoc6n mine is primarily a salt mine refitted as a tourist attraction; it |
|
Las Cruces Mine, Gerena, Seville, Andalusia, Spain