 | | Report (issue) | | metamorphic belt in the Central Cordillera of Colombia. W. J. McCourt. 22 High-pressure metamorphic rocks...rocks in the Central Cordillera of Colombia. W. J. McCourt and T. Feininger. 28 Accretionary lapilli...of low grade metamorphic minerals which include quartz, albite feldspar, sericite and ripidolite 3 Brittany...and carbonate- or clay-dominated units, with the quartz-silt component having little effect. Original sedimentary...Dolomite also occurs as a vein mineral along with quartz and calcite; small amounts of galena occur in a |  | | Book | | Consulting Geologist Department of Geology University EAFIT Medellín, Colombia Robert Peter Shaw Consulting...Tectonics Colombia 1938–1946 “Unique – a dream” Highlights • Key geological realms in Colombia were the...The Ganssers had four daughters (Ursula, born in Colombia, 1941; Manuela, 1949; Francesca, 1956; and Rosanna...and two sons (Mario, born in Colombia, 1943; Luca, also born in Colombia, 1945). In 2000, Gansser’s dear...the Escuela de Minas (Medellín, 1887) and the Department of Geology and Geophysics at the Unversidad Nacional |  | | Report (issue) | | 2.14 1.77 0.05 0.4 V-G-1 18.4375 -64.4361 Quartz diorite Hornblende Biotite K/Ar K/Ar 35.1 37...85 42.55 1.94 0.44 VG-01 18.4867 -64.3886 Quartz diorite Zircon TIMS Multigrain 43.56 0.08 ...SHRIMP U/Pb 60.2 56 2.6 4382 19.9443 -75.6571 Quartz diorite Whole rock K/Ar 47.8 6 CU40 19.9464...37.62±0.05 Ma (MSWD = 0.53). Reported as Copper Mine Point granodiorite, same pluton as Cox and others...Location derived from Wikipedia for Copper Mine Point copper mine; accuracy of location relative to this |  | | Journal (article/letter/editorial) | | low-sulfidation epithermal gold mineralization in the Rosario–Bunawan district, East Mindanao Ridge, Philippines...June 2009 # Springer-Verlag 2009 Abstract The Rosario–Bunawan district is situated about 200 km north...Southern Philippines. Gold is produced from the Co-O mine, containing about 2,034,000 t of ore at 10.9 g/t...Epithermal gold mineralization in the Rosario–Bunawan district and the Co-O mine is confined to narrow (0.2–4...2–4 m) low-sulfidation quartz–chalcedony–calcite veins in volcanic and volcaniclastic wall rocks. Three |  | | Report (issue) | | U. S. DEPARTMENT OF THE INTERIOR U.S. GEOLOGICAL SURVEY Industrial Minerals Deposit Models: Grade and.......... Preliminary grade and tonnage model of quartz veins and pegmatites (13g) ......................polymetallic veins (Bliss and Cox, 1986) or low-sulfide Au-quartz veins (Bliss, 1986). However, some deposits as...Advocate Asbestos Hill Asbestos Island Baryulgil Bell Mine Belvidere Bird-Ginn (Matheson) Black Lake British...Canadian Caley Carey/East Broughton CanaBrava Cassiar Mine Clinton Creek Coalinga Continental Copperopolis |  | Masterman, G. J., Cooke, D. R., Berry, R. F., Walshe, J. L., Lee, A. W., Clark, A. H. (2005) Fluid Chemistry, Structural Setting, and Emplacement History of the Rosario Cu-Mo Porphyry and Cu-Ag-Au Epithermal Veins, Collahuasi District, Northern Chile. Economic Geology, 100 (5) 835-862 doi:10.2113/gsecongeo.100.5.835 | Journal (article/letter/editorial) | | Structural Setting, and Emplacement History of the Rosario Cu-Mo Porphyry and Cu-Ag-Au Epithermal Veins, Collahuasi...Australia ANDREW W. LEE,** AND ALAN H. CLARK Department of Geological Sciences and Geological Engineering...Kingston, Ontario, Canada K7L 3N6 Abstract The Rosario Cu-Mo-Ag deposit is located in the Collahuasi district...superimposed on the core of a porphyry Cu-Mo orebody. Rosario has mining reserves of 1,094 million metric tons...Ujina and Quebrada Blanca porphyry deposits. The Rosario reserve contains over 95 percent hypogene ore, |  | | Report (volume) | | International Cooperation Administration, U. S. Department of State UNITED STATES GOVERNMENT PRINTING OFFICE...OFFICE, WASHINGTON a 1957 UNITED STATES DEPARTMENT OF THE INTERIOR FRED A. SEATON, Secretary GEOLOGICAL..._________ Siria mine ________________________ ------------- __ ----Los Hornitos mine ______ ;_______...mine____________________________________ La Uni6n mine ________________ -----------------------(}uatem...______ __ ____ ______ _ 48 48 49 50 51 51 51 La Paz mine ______ ---------------------------Cabanas distr |  | | Journal (article/letter/editorial) | | Geology, Tohoku University, Sendai 980, Japan 2 Department of Geology, Faculty of Science, Kyushu University...were determined for fluid inclusions in mostly quartz and partly sphalerite, cassiterite, and barite...employed for the fluid inclusion studies was mainly quartz (qz), the most common transparent mineral in the...1977; Sugaki et al. 1985). Because inclusions in quartz from the former type are too small (a few microns)...tourmaline mineralizations. Quartz and cassiterite from the Viloco (Araca) mine, which is world famous for |  | | Journal (article/letter/editorial) | | afalster@mainemineralmuseum.org Muzo-habit Quartz Zigras Mine, Garland County, Arkansas Q uartz, the...anorthite, constitutes 39 percent of the crust. Quartz at 12 percent is tied with potassium feldspar (microcline...K-feldspar plus quartz), whereas oceans are underlain by basalts (plagioclase plus pyroxene), so quartz can be...considered a signature mineral of the continents! Quartz occurrences are so numerous that they cannot be...featured twice: rutile-included quartz (Cook 1996) and crystallized rose quartz (Clifford 2012). To support |  | 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) | | Blanco (Pe) Cuajone (Pe) Ujina (Cl) Gaby (Cl) Rosario (Cl) Morenci; NW extension (Az) El Salvador (Cl)...abbreviations: Az = Arizona (USA), Cl = Chile, Co = Colombia, NM = New Mexico (USA), Pe = Peru, Ph = Philippines...importantly, the study also revealed extensive trains of quartz-stockworked diorite boulders in the Bagacay and...leaching and oxidation Papua New Guinea Ok Tedi Colombia Mocoa 0–300 60–150 up to 100 United States Ajo...Teniente La Escondida Chile El Abra Cerro Colorado Rosario Ujina Chuquicamata Gaby Deposit Leached cap |  | Torró, , Cazorla, , Melgarejo, , Camprubí, , Tarrés, , Gemmrich, , Campeny, , Artiaga, , Torres, , Martínez, , Mollinedo, , Alfonso, , Arce-Burgoa, (2019) Indium Mineralization in the Volcanic Dome-Hosted Ánimas–Chocaya–Siete Suyos Polymetallic Deposit, Potosí, Bolivia. Minerals, 9 (10) 604 doi:10.3390/min9100604 | Journal (article/letter/editorial) | | Naturals de Barcelona, 08003 Barcelona, Spain Department of Earth Sciences, University of Geneva, Rue...the Siete Suyos mine, the Ánimas, Burton, Colorada, and Rosario veins in the Ánimas mine and the Nueva...Nueva vein in the Chocaya mine. A three-stage paragenetic sequence is roughly determined for all of them,...which is found in the Diez vein in the Siete Suyos mine, occur in crustiform bands of sphalerite with local...Avelino Aramayo, and Simón I. Patiño. The Ánimas mine was first exploited by the Aramayo Mines Company |  | Masterman, G. J., Cooke, D. R., Berry, R. F., Clark, A. H., Archibald, D. A., Mathur, R., Walshe, J. L., Duran, M. (2004) 40Ar/39Ar and Re-Os Geochronology of Porphyry Copper-Molybdenum Deposits and Related Copper-Silver Veins in the Collahuasi District, Northern Chile. Economic Geology, 99 (4) 673-690 doi:10.2113/gsecongeo.99.4.673 | Journal (article/letter/editorial) | | Australia ALAN H. CLARK, DOUGLAS A. ARCHIBALD, Department of Geological Sciences and Geological Engineering...Kingston, Ontario K7L 3N6, Canada RYAN MATHUR,** Department of Geosciences, University of Arizona, Tucson...Pedro Lagos 1090, Iquique, Chile Abstract The Rosario and Ujina porphyry Cu-Mo deposits, together with...the Domeyko fault system in northern Chile. At Rosario, fault-hosted Cu-Ag–rich massive sulfide veins...associated with pyrophyllite-alunite-quartz altered rocks. The Rosario massive sulfide veins cut biotitealbite-magnetite |  | | Book | | .............117 ； Geology of the Ujina and Rosario Copper Porphyry Deposits, CoUahuasi District Chile...a deposit, but rather the engineering ability to mine on a large scale at low cost, and simultaneously...it has been suggested that the large Proterozoic quartz-vein network at Malanjkand in India could have...intrusions o f the region show a strong bias towards quartz diorites, although those developed on continental...associated with quartz-monzonites. Within these island arc settings, advanced argillic quartz-alunite lithocaps |  | Paar, Werner H., Roberts, Andrew C., Berlepsch, Peter, Armbruster, Thomas, Topa, Dan, Zagler, Georg (2004) Putzite, (Cu4.7Ag3.3) ∑8GeS6, a new mineral species from Capillitas, Catamarca, Argentina: description and crystal structure. The Canadian Mineralogist, 42 (6) 1757-1769 doi:10.2113/gscanmin.42.6.1757 | Journal (article/letter/editorial) | | DESCRIPTION AND CRYSTAL STRUCTURE WERNER H. PAAR§ Department of Geography, Geology and Mineralogy, University...Bern, Switzerland DAN TOPA AND GEORG ZAGLER Department of Geography, Geology and Mineralogy, University...discovered in old dumps near the Rosario vein, Capillitas mining district, Department of Andalgalá, Catamarca...stannoidite, chalcopyrite, galena, luzonite and quartz. Putzite occurs as aggregates of anhedral grains...X-ray data, reflectance data, crystal structure, Rosario vein, Capillitas district, Farallón Negro complex |  | | Report (issue) | | describes his recent visits to a small former fluorite mine 2.5 kilometers north of the village of Mihalkovo...border with Greece. Until its closure in 1994 this mine produced fluorite for industrial uses, and, it seems...and sphalerite after calcite, from the Broken Hill mine, Aggeneys, Northern Cape Province, South Africa...epimorphs after calcite, 14.2 cm, from the Broken Hill mine, Aggeneys, Northern Cape Province, South Africa...transparent, deep purple cubic crystals on drusy quartz, in some cases with platy white barite crystals |  | | Report (issue) | | plwto Plldi.wp11�. Yaalte: 12.5 cm wide Siglo XX Mine, ,U� Bustillo province, Potosi Malty Zinn colkdknt........................... 14 BY ALFREDO PETROV Quartz & cassiterite 4.3 cm; Huanuni Dave Bunk specimen...specimen Jesse La Plante photo Map: Oruro Department .......................................................in Oruro ... 26 BY ROBERT B. COOK The Morococala Mine ..................................................JAROSLAV HYRSL AND ALFREDO PETROV Map: Potosi Department ............................................ |  | | Journal (article/letter/editorial) | | AMERICAN AND CARIBBEAN MINERALIZATION G.L. CUMMING Department o f Physics, University of Alberta, Edmonton...Edmonton, Alta. (Canada) and S.E. KESLER Department o f Geology, University o f Toronto, Toronto, Ont. (Canada)...Cu deposits. Intrusive igneous rocks (quartz diorite to quartz monzonite) in the area reflect this zonation...(up to 7 million tons) vein deposits such as E1 Rosario [5]. Cu is of minor importance in these orebodies...exception of Monte Cristo, which is essentially a silver mine. In addition to these vein deposits, this zone also |  | | Journal (article/letter/editorial) | | andesitc and rare occurrences of basalts. The Rosario andesitc is encountered at the base of this se-...undifferentiated unit. These sections are referred to as the Rosario-Cineo place north of the Tamayofracture zone from...Tertiary floresgroupis similarto the upperpart of the Rosario or Quaternary sedimentsand lavas,including ava-...Bolaflosgraben; (4) magnitudeand At the baseof the Rosario-Cineo Sefiorescomposite asymmetryof the boundingescarpmentsof...Pre-mineral K-Ar j:•,';•• / / date within Arroyo Rosario' Group. (23.7m.y.b.p.) •TcepP•t-mineral K-Ar date |  | | Book | | collection or scientific study arose only after the establishment of the Colegio de Mineria (College of Mining)...produced specimens from such places as the La Fé Mine in the state of Chiapas and Santa Rosalia in the...developed for many years. It was not until the establishment of a Spanish garrison at Chihuahua that mining...Bustillos, Mina Vieja, San Juan, and Santo Santa Rita, Rosario, San Antonio, Galdeana, also produced silver ore...surface in large caves. Some of these caves and mine stopes were so large that it was said that the cathedral |  | | Report (issue) | | net PETROLEUM. JOINTLY WITH H . M . PETROLEUM DEPARTMENT AND H . B . CRONSHAW, B.A., PH.D., A.R.S. M....Institute. Captain A . L . ELSWORTHY, Intelligence Department, War Office (nominated by the War Office). *Professor...HUTCHINSON, Esq., O.B.E., M.A., Ph.D., F.G.S., Department of Mineralogy, University of Cambridge. W. W...Ltd.). *J. F. RONCA, Esq., M.B.E , A.R.C.Sc., Department of Industries and Manufactures (nominated by...United States . 8 7 S. America : Bolivia ; Chile ; Colombia ; Peru . 1 2 6 WORLD MAP OF SILVER DEPOSITS . |  | | Journal (article/letter/editorial) | | Cumberland, gilbertitc, 6o6. George and Charlotte mine, Tavistock, Devon, 'tavistockite', [ 23. Grassington... INDEX Drakewalls mine, Gunnislake, posnjakite, 740. Hingston Down Consols" mine, arthurite, 52o. Lee...(Espafia) Cabo Ortegal, Galicia, omphacite, 6L CarmeBta mine, Caceres, montcbrasite, 4t4. Santander, blende,...Gourishankar mine, Tummalatalupur, Nellore, microcline perthite, I35. Bhavani Sankar mine, Tummalatalupur...charnockite, 682. Inakurti mine, Nellore, muscovite, I4o. Kodandarama mine, Tummalatalupur, Nellore, microcline |  | | Journal (article/letter/editorial) | | episodecharacterizedby a comparatively simplemineralogy. Pyrite, quartz, and sphaleritewere the early hypogeneminerals...depositionalmostexclusivelyof pyrite, sphalerite and quartz. As alreadystated,in mostof the specimens pyrite...prevailinglylater than the pyrite, sphaleriteand quartz to whoseoutlinesthey conformas is conspicuously...in a singlepolishedspecimenfrom the Guatimotzin mine at Pachucawas there evidenceof slightfracturingbetweenthe...commonas crystalsin rugs, often filling in between 'quartz crystals,and also as patch-like coatingson the |  | | Book | | basins fragments of an oceanic plateau, like the Colombia and Venezuela basins, that survived as rigid blocks... His first assignments took him to Venezuela, Colombia and Trinidad where he contributed to a wider industry-sponsored...geology of basins like the Magdalena basin of Colombia, the Maracaibo and Eastern Venezuela basins of...initial assignments for Shell in Venezuela and Colombia, Wim further developed the use of ostracodes as...University. In 1958, Wim was invited to join the Department of Geology of Louisiana State University (LSU) | | | Book | | collection or scientific study arose only after the establishment of the Colegio de Mineria /College of Mining)...produced specimens from such places as the La Fe Mine in the state of Chiapas and Santa Rosalia in the...Santo Domingo n1ines. The San Jose, Santa Rita, Rosario, San Antonio, Galdeana, Dolores, and Las Animas...surface in large caves. Some of these caves and mine stopes were so large that it was said that the cathedral...Apache Indians began to raid the region. The Spanish mine owners tried to continue operations, but with Mexico |  | | Journal (article/letter/editorial) | | with an average fineness of 920, hosted mainly by quartz and coexists with hübnerite and Bi minerals. Tellurium...polycrystalline aggregates. These minerals occur in quartz, generally accompanied by hübnerite, pyrite, chalcopyrite...These six stages include: (I) dominant pyrite, quartz and alunite; (II) the major phases dominated by...pyrite, galena and sphalerite, are accompanied by quartz and alunite; (III) copper mineralization, represented...the first three stages of the mineralization are quartz and alunite while rhodochrosite prevails in the |
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