 | Braxton, D. P., Cooke, D. R., Ignacio, A. M., Rye, R. O., Waters, P. J. (2009) Ultra-Deep Oxidation and Exotic Copper Formation at the Late Pliocene Boyongan and Bayugo Porphyry Copper-Gold Deposits, Surigao, Philippines: Geology, Mineralogy, Paleoaltimetry, and their Implications for Geologic, Physiographic, and Tectonic Controls. Economic Geology, 104 (3) 333-349 doi:10.2113/gsecongeo.104.3.333 | Journal (article/letter/editorial) | | Bayugo Porphyry Copper-Gold Deposits, Surigao, Philippines: Geology, Mineralogy, Paleoaltimetry, and their...American Exploration (Philippines) Inc. 21 Outlook Drive Baguio City, Philippines 2600 Abstract The Boyongan...the Surigao district of northeast Mindanao, Philippines. Exhumation and weathering of these Late Pliocene-age...shallower supergene copper oxide minerals (malachite + azurite + cuprite) to deeper sulfide-stable assemblages...–5.7 per mil. At the latitude of the southern Philippines, this value corresponds to Pleistocene rain water |  | | Journal (article/letter/editorial) | | Emerging Porphyry District in Northeast Mindanao, Philippines* David P. Braxton,1,2,†,** David R. Cooke,1,3...American Exploration (Philippines) Inc., 21 Outlook Drive, Baguio City 2600, Philippines Abstract The Boyongan...the Surigao district of northeast Mindanao, Philippines. Since their formation in the early Pleistocene...historic Surigao Au district of the southern Philippines (Fig. 1). Recent mineral resource estimates for...systems in mind, Anglo American Exploration (Philippines) Inc. (Anglo American) targeted the Surigao Au |  | | Journal (issue) | | Famous Mineral Localities: The Erupción/Ahumada Mine, Los Lamentos District, Chihuahua, 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...Mexico-II having been devoted to the famous Ojuela mine). Covered here are four more important and prolific...and Arizona Company, then managed the New Cornelia mine at Ajo with great success. While still working for |  | | Journal (article/letter/editorial) | | world, instead of the nonexistent In 1975, the Santo Niño and Santa Elena veins were argentite. Acanthite...Guanajuato (Mexico) and has become the richest silver mine in the world, in more recently Bou Azzer and Imiter...ceased vein. The San Juan production by the de Rayas mine in time of World War II. Guanajuato also In 1946...very city In Morocco, the of Oberschlema Bou Azzer mine, itself, which finally already very had to be relocated...and east of Schlema, 2014 Tucson show. The Imiter mine began its modern producing many quality specimens |  | Kouhestani, Hossein, Mokhtari, Mir Ali Asghar, Qin, Kezhang, Zhao, Junxing (2019) Origin and evolution of hydrothermal fluids in the Marshoun epithermal Pb–Zn–Cu (Ag) deposit, Tarom-Hashtjin metallogenic belt, NW Iran. Ore Geology Reviews, 113. 103087 doi:10.1016/j.oregeorev.2019.103087 | Journal (article/letter/editorial) | | Although the general geological characteristics of the region, where the Marshoun deposit is located, were determined...zinc carbonates, such as goethite, malachite, azurite, cerussite, and smithsonite. 3.3. Ore and gangue...with lesser, cerussite, smithsonite, malachite, azurite, covellite, and goethite, all of which are hosted...of galena. Cerussite, smithsonite, malachite, azurite, covellite, and goethite are commonly found in... aggregate up to 1 mm long (Fig. 6L). Malachite and azurite usually fill open spaces interstitial to chalcopyrite |  | Kouhestani, Hossein, Mokhtari, Mir Ali Asghar, Qin, Kezhang, Zhao, Junxing (2019) Fluid inclusion and stable isotope constraints on ore genesis of the Zajkan epithermal base metal deposit, Tarom–Hashtjin metallogenic belt, NW Iran. Ore Geology Reviews, 109. 564-584 doi:10.1016/j.oregeorev.2019.05.014 | Journal (article/letter/editorial) | | depth of Zajkan indicates minor denudation in the region and may imply a great prospecting potential for...epithermal base metal deposit. smithsonite, malachite, azurite, covellite and goethite. The mineral paragenesis...copper carbonates, such as goethite, malachite, and azurite. The ores at Zajkan are dominated by pyrite, chalcopyrite... hematite, cerussite, smithsonite, malachite, azurite, covellite, and goethite, all of which are hosted...stage 3 veins. Cerussite, smithsonite, malachite, azurite, covellite, and goethite are commonly found in |  | | Journal (issue) | | Scovil photo. Vanadinite, 2.4 cm, from the Apache mine, Arizona. Collected by Evan Jones; Jeff Scovil photo...Miglioli photo. Fluorite, 7.4 cm, from the La Barre mine, France. Collected by Aubin Cosson; Niels Brouwer... from left: Caledonite, 1.1 cm, from the Reward mine, California. Collected by Jeff Lines; Ben DeCamp...Thrill of Discovery by Wendell Wilson Epilog: On Mine Safety UThe Field-CollectorsV Anthony J. Albini...the words of the original discoverers. Adelaide Mine, Tasmania, 1971, 2012 Albert Chapman wrote one such |  | | Report (issue) | | GEOLOGY AND MINERAL RESOURCES OF THE ORTIZ MINE GRANT, SANTA FE COUNTY, NEW MEXICO Open-file Report 560...New Mexico 87801 March 2014 ABSTRACT The Ortiz Mine Grant, as defined by a patent issued by the US Congress...approximately 10 mi x 10 mi tract centered on the old Ortiz Mine in the eastern part of the Ortiz Mountain range...Tuerto Hills, in the southwestern part of the Ortiz Mine Grant. These rocks are similar to those exposed...the Ortiz Mountains. Igneous rocks on the Ortiz Mine Grant may be divided into an early calc-alkaline |  | | Journal (article/letter/editorial) | | Peninsula represents an important Turkish metallogenic province located at PT northwestern Anatolia, which has...early 2000’s the importance of this metallogenic province had not been D comprehended, but has since emerged...and Extensional (WAVE) Province forms an affiliate NU metallogenic province in the Biga Peninsula (NW...mineral associated PT with bornite, malachite, azurite, chalcocite-covellite and galena. Dendritic native...rocks in the Eastern Rhodope-North MA Aegean region (Marchev et al., 2004). Symbol size corresponds |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...N. Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco...The Southwestern North America Porphyry Copper Province Tectonomagmatic Settings, Architecture, and Metallogeny...Metallogeny of the Central Asian Copper Province An Overview of the European Kupferschiefer Deposits...and enrichment in the Chilean porphyry copper province: Economic Geology, v. 91, p. 164–179. Sillitoe |
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