 | | Journal (article/letter/editorial) | | Tucson,Arizona85721 Abstract In the Wallapai mining district, porphyry-stylecopper-molybdenummineralization...rutile, (4) quartz-pyrite(QP) vei.nsof quartz+ sericite+ pyrite, andquartz + pyrite + chalcopyrite+ epidote+...MQ) veins,with a gangueassemblage of quartz + sericite+ calcite + kaolinitc(?)+ epidote + chlorite,anda... but declinedoutward to lessthan 300øC on the district periphery. In subsequentstages,fluid temperatures...t was not directly related to the exposedIthaca Peak stocks.The evolutionfromhypersalinefluidsin the |  | | Report (issue) | | W ALC01'T, DIRECTOR OR.E .DEPOSITS OF THE SILVER PEAK QUAl)RANGLE, NEv1IL~ BY •I JOSIAH EDWARD...The Dividend group of prospects in the Windypah district. .. _.... _._................ 117 117 Genetic.... . . . . . . . . 118 Genetic relations of the silver mines of Mineral Ridge __ ..... . . . . . . . .... . . . . . . . . . . . . 122 Comparison of Silver Peak deposits with other ores......... . . . . . ...XIII. XIV. XV. XVI. XVII. Geologic map of the Silver Peak quadrangle __ . ___ .. __ • _________ . ___ |  | Montoya-Lopera, Paula, Levresse, Gilles, Ferrari, Luca, Luca Rizzo, Andrea, Urquiza, Santiago, Mata, Luis (2020) Genesis of the telescoped Eocene silver and Oligocene gold San Dimas deposits, Sierra Madre Occidental, Mexico: Constraints from fluid inclusions, oxygen - deuterium and noble gases isotopes. Ore Geology Reviews, 120. 103427 doi:10.1016/j.oregeorev.2020.103427 | Journal (article/letter/editorial) | | Journal Pre-proofs Genesis of the telescoped Eocene silver and Oligocene gold San Dimas de‐ posits, Sierra...Urquiza, L. Mata, Genesis of the telescoped Eocene silver and Oligocene gold San Dimas deposits, Sierra Madre...Elsevier B.V. Genesis of the telescoped Eocene silver and Oligocene gold San Dimas deposits, Sierra Madre...4First Majestic Silver Corp., Tayoltita, Dgo., Mexico Abstract The San Dimas district is a world-class...excellent opportunity to determine the source of silver and gold, the evolution of the hydrothermal fluids |  | | Book | | Pale-blue turquois; Gove Turquois mine, near Cottonwood, San Bernardino County, Cal. Fie. . Turquois matrix;...Turquois mine, m Nye County, near Millers, Nev. Fia. Turquois matrix; Weber mine, Belmont, Nye County, Nev...Azure mine, Burro Mountains, N. Mex. Fic. . Cobweb turquois matrix; Southwest Turquois Co. mine, Mineral...Myers and Bona Turquois mine, 13 miles north of west of Millers, Esmeralda County, Nev. -7. Split veinlet...student at Yale University; Los Angeles Gem Co. mine, Mineral Park, Ariz. Fia. Fi. Fic. Fic. Fic. ia |  | Del Rio-Salas, Rafael, Ochoa-Landín, Lucas, Valencia-Moreno, Martín, Calmus, Thierry, Meza-Figueroa, Diana, Salgado-Souto, Sergio, Kirk, Jason, Ruiz, Joaquin, Mendívil-Quijada, Héctor (2017) New U–Pb and Re–Os geochronology of Laramide porphyry copper mineralization along the Cananea lineament, northeastern Sonora, Mexico: Contribution to the understanding of the Cananea copper district. Ore Geology Reviews, 81. 1125-1136 doi:10.1016/j.oregeorev.2015.11.029 | Journal (article/letter/editorial) | | Contribution to the understanding of the Cananea copper district Rafael Del Rio-Salas, Lucas Ochoa-Landı́n, Martı́n...Contribution to the understanding of the Cananea copper district, Ore Geology Reviews (2015), doi: 10.1016/j.oregeorev...Contribution to the understanding of the Cananea copper district RI PT Rafael Del Rio-Salas (1); Lucas Ochoa-Landín...of Arizona, 1040 E 4th St, Tucson Arizona, 85721 USA. (4) U.A. Ciencias de la Tierra, Universidad Autónoma... ACCEPTED MANUSCRIPT ABSTRACT The Cananea mining district constitutes the cluster of deposits that is |  | | Journal (article/letter/editorial) | | Kingman,Arizona (Fig. 1), by Wilkinson et al. (1982), Vega (1984), and Lang and Eastoe(1988) have establishedmineral...havebeenappliedto identify Lithologicsetting In the Wallapai district, the Cerbat complex the sulfurisotopesignatureof...PARK, AZ,STABLE 1SOTOPE STUDIES 651 •0 Ithaca Peak Stocks Rhyollte Dikes ,,'[-•Quartz-Feldspar Gneiss...gneiss, biotiteandchloriteschists, andminorquartzite Vega (1984). hasexperienced uppergreenschist or loweramphib-...batcomplexwasintrudedby a 1,740___ 20-Mabiotite granitebatholith(Silver,1967;U-Pbzircon,olddecay 6 by 20 km definedby the |  | Montoya-Lopera, Paula, Levresse, Gilles, Ferrari, Luca, Orozco-Esquivel, Teresa, Hernández-Quevedo, Gabriela, Abdullin, Fanis, Mata, Luis (2020) New geological, geochronological and geochemical characterization of the San Dimas mineral system: Evidence for a telescoped Eocene-Oligocene Ag/Au deposit in the Sierra Madre Occidental, Mexico. Ore Geology Reviews, 118. 103195 doi:10.1016/j.oregeorev.2019.103195 | Journal (article/letter/editorial) | | Geocronología de Argón (LIGAR), Campus UNAM Majestic Silver Corp., San Dimas, Dgo., Mexico 13 14 Corresponding...unam.mx 15 16 Abstract 17 18 The San Dimas district is a historical world class Ag/Au epithermal deposit...Ag/Au epithermal deposit (quartz + 21 adularia + sericite type) developed during a single hydrothermal pulse...adularia 28 40Ar/39Ar 29 geochemistry of gold and silver minerals, we demonstrate that San Dimas exhibits...represented by Au-dominant epithermal veins (quartz sericite 41 type), which were emplaced at ~31 Ma into |  | | Journal (article/letter/editorial) | | zone (70ø75 øN). It is devoidof humanactivitysuchas mine operations,urban zones,etc., and hasa low overall...Hold with Hope ... :;?-•.t: / )h•cal Society 0 Vega Sund 72* 72* Land Jameson Land Land FIG....distinguishable from areascomprisingnonVein type--base metal-silver Vein type--tin-tungsten limoniticrocksusingratiotechniquesof...Skarntype--tungsten data. Vein type--base metal-silver-gold for detection of areas of limonitic rocks...appliedto the spectraldata from the test metal-silver- barite Vein type--uranium 5. Triassic 6. Tertiary |  | Izaguirre, Aldo, Iriondo, Alexander, Kunk, Michael J., McAleer, Ryan J., Atkinson, William W., Martínez-Torres, Luis M. (2017) Tectonic Framework for Late Cretaceous to Eocene Quartz-Gold Vein Mineralization from the Caborca Orogenic Gold Belt in Northwestern Mexico*. Economic Geology, 112 (6) 1509-1529 doi:10.5382/econgeo.2017.4519 | Journal (article/letter/editorial) | | 20192, USA of Geological Sciences, University of Colorado at Boulder, Boulder 80309, Colorado, USA of Geology...Colorado School of Mines, Golden 80401, Colorado, USA 6 Departamento de Geodinámica, Universidad del...belt of the United States and Mexico and related mine sites and prospects are also shown. Downloaded...Acquisitions user 26° Santo Tomás u Ba Sierra Nevada 26° z Area of Figure 1B Chihuahua e Age ~135–104...Nacozari Fortuna San Francisco-Llano Northwestern/ Nevada Grass Valley Cd. Juárez El Chanate Caborca |  | | Report (chapter) | | Pale-blue turquois; Gove Turquois mine, near Cottonwood, San Bernardino County, Cal. Fig. 1. Fig. Turquois...Turquois mine, in Nye County, near Millers, Nev. Turquois matrix; Weber mine, Belmont, Nye County, Nev....turquois; Azure mine, Burro Mountains, N. Mex. 5. Cobweb turquois matrix; Southwest Turquois Co. mine, Mineral...Myers and Bona Turquois mine, 13 miles north of west of Millers, Esmeralda County, Nev. 7. Split veinlet...Gem Co. mine. Mineral Park; Ariz. 8. Pendant of turquois matrix; Southwest Turquois Co. mine. Mineral |  | | Journal (article/letter/editorial) | | Minerals Corporation, 230 South Rock Blvd, Reno, Nevada 89502, USA Ricardo CASTROVIEJO Universidad Politécnica...later open space infill resembles the Shila Paula district (Chauvet et al. 2006). Fluid inclusion petrography...of the system. The core is still undisclosed by mining works, but the available geochemical evidence (logAg/log...below 197 ± 5 ºC, but precipitation of residual silver continues through the waning stages of the hydrothermal...Pallancata, intermediate sulfidation, epithermal, silver (gold), proustite–pyrargyrite, pearceite–polybasite |  | | Journal (article/letter/editorial) | | University of Texas at Austin, Austin, TX 78712, USA b a r t i c l e i n f o Article history: Received...correlates with the Mother Lode trend in California and Nevada, whereas the cluster of deposits in the Los Cabos...assemblages in them are generally dominated by quartz ± “sericite” ± pyrite, and may be carbonate-rich. The hypogene...also known as unspecified Ag-rich gold, Au-rich silver, or as free gold. The latter may either be a hypogene...have complex parageneses that consist typically of silver and/or gold tellurides. The mineralizing fluid precipitation |  | | Report (volume) | | Mountains Wilderness Study Area, San Bernardino County, California U.S. GEOLOGICAL SURVEY BULLETIN 1712-D...Mountains Wilderness Study Area, San Bernardino County, California By RICHARD J. GOLDFARB, DAVID M. MILLER...Mountains Wilderness Study Area, San Bernardino County, California. U.S. Geological Survey Bulletin 1712-D...California Desert Conservation Area, San Bernardino County, California. CONTENTS Summary Dl Abstract 1...Acknowledgments 5 Appraisal of identified resources 5 Mining and exploration history 5 Mines, prospects, claims |  | | Journal (article/letter/editorial) | | through potentially ore-grade potassic, chlorite-sericite, and sericitic, to advanced argillic, the last...low- to moderatesalinity liquid that causes the sericite-chlorite and sericitic alteration and associated...in magmatic arc settings. At the regional and district scales, the occurrence of many deposits in belts...the geology of porphyry Cu systems at regional, district, and deposit scales. The resultant geologic model...El Abra 22° A AL C M E ALT O Regional- and District-Scale Characteristics 0361-0128/98/000/000-00 |  | Alford, Lee, Gysi, Alexander P., Hurtig, Nicole C., Monecke, Thomas, Pfaff, Katharina (2020) Porphyry-related polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace element chemistry. Ore Geology Reviews, 119. 103295 doi:10.1016/j.oregeorev.2019.103295 | Journal (article/letter/editorial) | | polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...polymetallic AuAg vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...polymetallic Au-Ag vein deposit in the Central City district, Colorado: Mineral paragenesis and pyrite trace...City historic Au-Ag mining district is located in the Front Range of Colorado, USA, and has been one of...Previous studies have related ore formation in the district to the emplacement of Late Cretaceous-Paleogene |  | Aird, Hannah M., Purcell, Ceara K., DeWitt, Nancy, Matthews, James, Capurro, Twyla, Claiborne, Justin, Bermudez, Jocelyn, Meisel, Zachary (2021) Gold-and silver-bearing assemblages in the Ann-Mason copper porphyry deposit, Yerington, Nevada. Ore Geology Reviews, 138. 104339pp. doi:10.1016/j.oregeorev.2021.104339 | Journal (article/letter/editorial) | | Gold-and silver-bearing assemblages in the Ann-Mason copper porphyry deposit, Yerington, Nevada Hannah...95929, USA A R T I C L E I N F O A B S T R A C T Keywords: Ann-Mason Porphyry Gold Silver Sulfides...the Ann-Mason porphyry deposit, including gold, silver, palladium, mercury, lead and bismuth. Petrographic...ore deposits hosted by the Yerington batholith in Nevada, and is being assessed for copper extraction from...a sulfide mineral, with 68% hosted by bornite. Silver is most commonly present as hessite and gold as |  | | Report (issue) | | Gavilanes Tungsten District El Antimonio District Magdalena District Cananea District Preliminary Deposit-Type...or to a group of closely-spaced deposits. Two district records have been included (MX00018 and MX02161)...or names of individual orebodies. DISTRICT/AREA Informal district name used in the literature. Names...economic interest. MINOR: Coproducts or byproducts of mining. POTEN: Commodities that have not been exploited...geologic inferences only ("inferred ore"). The mining industry terms "proven", "probable", and "possible" |  | | Journal (article/letter/editorial) | | northwestern Mexico: tectonic implications Ricardo Vega-Granillo, Alicia Sarmiento-Villagrana, Sergio Salgado-Souto...Elizabeth Araux-Sánchez To cite this article: Ricardo Vega-Granillo, Alicia Sarmiento-Villagrana, Sergio Salgado-Souto...northwestern Mexico: tectonic implications Ricardo Vega-Granillo Sánchez d a , Alicia Sarmiento-Villagrana...geochronology of migmatitic leucosome bands indicates that peak metamorphic conditions were reached between ~93...California, and even extend north into the Sierra Nevada batholith and the Sevier hinterland. This extensive |  | | Journal (issue) | | KRISTALLE Est.1971 Laguna Beach, California, USA • Tel: +1 949 494 5155 • Email: info@kristalle.com...Junction scepter quartz deposit, Petersen Mountain, Nevada .................................................by C. J. Stefano Giroux Point, the Bagdad mine, Yavapai County, Arizona ................................. from the Hallelujah Junction scepter deposit, Nevada (see article in this issue). Fine Minerals International...$278/two years, (Canada) $231/one year, (outside USA other than Canada) $325 for one year Subscription |  | Valencia-Moreno, Martín, Camprubí, Antoni, Ochoa-Landín, Lucas, Calmus, Thierry, Mendívil-Quijada, Héctor (2017) Latest Cretaceous-early Paleogene “boom” of porphyry Cu mineralization associated with the Laramide magmatic arc of Mexico. Ore Geology Reviews, 81. 1113-1124 doi:10.1016/j.oregeorev.2016.05.005 | Journal (article/letter/editorial) | | trending copper belt that extends from southwestern USA to southern Mexico. The copper mineralization is...California and Sinaloa, in northwestern Mexico (Silver and PT Chapell, 1988; Henry et al., 2003). After... 100 Ma, lay close to the Mexican paleo-coast (Silver and Chappell, 1988; Henry et al., 2003). However...and Valencia, 2014). ED The Buenavista del Cobre mine is the core of one of the larger porphyry copper...world (Bushnell, 1988), referred to as the Cananea district. It includes PT Milpillas, Lucy, Mariquita, |  | | Book (edition) | | Wu!fenite. Red Cloud mine, Si/district, Trigo Mountains, La Paz County, Arizona. Smithsonian Institution...and Second Editions PART 2 HISTORY OF ARIZONA MINING AND MINERALOGY The Prehistoric Period 20 Arizona...Deposits 63 The Bisbee District, Cochise County 64 The Tombstone District, Cochise County 70 The Mammoth-St...Mammoth-St. Anthony Mine, Tiger, Pinal County 78 Uranium and Vanadium Deposits 80 Monument Valley 81 - • Vll...Breccia Pipes 87 Pegmatites 88 "Mine Fire" Minerals, United Verde Mine, Jerome Arizona Meteorites PART |  | | Report (volume) | | Maimon-Hatillo District Dominican Republic GEOLOGICAL SURVEY BULLETIN 964-D Geology and Mineral...Mineral Resources of the Maimon-Hatillo District Dominican Republic By A. H. KOSCHMANN and MACKENZIE GORDON...system._________________________________________ Sericite schist---.--------.-------------------------------Distribution...Geologic map and sections of the Maim6n-Hatillo district, Dominican Republic_________________--__________...TABLE 1. Analyses of magnetite from Maim6n-Hatillo district, Dominican Republic--_________________________________ |  | | Report (issue) | | gold, and molybdenum content Triangular plot of silver grade of porphyry copper deposits Triangular plot...grains of electrum containing 11.5 to 18.5 percent silver are associated with bornite-gangue grain boundaries...to 0.015 percent molybdenum occurs in a quartz-sericite-pyrite alteration zone lying partly within the...deposits for which a silver grade also was available, no correlation was found between silver content and that...gold, molybdenum, or copper (see figure 2). Median silver grade for the data set is 1.5 ppm. Magnetite Content |  | | Report (volume) | | _________--____-_---_-------___-_--------_----_______ Ajo district.-_--_.____---------______--_-_--__---_______ Oatman...______--__-__---_____----_____-__-___-___________ Bonanza district._________________________________________ Breckenridge...region___________________________________________ Spanish Peaks district.____________________________________ Summitville...________________________________________ Edwardsburg district._____________________________________ 11 11 12...22 24 24 24 24 25 25 26 26 27 ,, Pend Oreille district-_-_------------___---__--_-_---_______ 27 i |  | | Journal (issue) | | Wilson Famous mineral localities: the New Cornelia mine, Ajo, Arizona 283 by W. J. Thomas and R. B. Gibbs...R. A. Bideaux Famous mineral localities: the Ray mine ..................................................R. Kampf Natural History Museum of Los Angeles County Arthur Roe Tucson, AZ Abraham Rosenzweig University...Friends of Mineralogy COVER: COPPER from the Ray mine, Arizona. The specimen is 3 inches wide, and was...article beginning on page 311 for more on the Ray mine. n o te s fr o m t h c j EDITOR ARIZONA This |
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