 | Williams, W.C, Meissl, E, Madrid, J, de Machuca, B.C (1999) The San Jorge porphyry copper deposit, Mendoza, Argentina: a combination of orthomagmatic and hydrothermal mineralization. Ore Geology Reviews, 14 (3) 185-201 doi:10.1016/s0169-1368(99)00006-2 | Journal (article/letter/editorial) | | Reviews 14 Ĺ˝1999. 185â201 The San Jorge porphyry copper deposit, Mendoza, Argentina: a combination of orthomagmatic...March 1999 Abstract The San Jorge porphyry copper deposit Ĺ˝SJPCD. is hosted by Carboniferous clastic...hydrothermal events that were strongly fault controlled. Copper related to orthomagmatic processes includes disseminated...andesite, and chalcopyrite with tourmaline and quartz in breccias, both of which have accompanying potassic...linear NNE trend, parallel to the main faults. Quartzâsericite is the dominant alteration and is ubiquitous |  | | Journal (article/letter/editorial) | | yellowish to brownish tint, depending on the gold and copper contents. The Ag â Cu sulfotelluride coexists with...[(Ag,Cu) 2S] from the Godejord base metal sulfide deposit, Norway. Two other unnamed Ag â Cu-bearing sulfotellurides...mineralogical and geochemical studies by Tombros (2001). Quartz vein stockworks containing polymetallic mineralization...facies near the Oligocene-Miocene boundary. Barren quartz veins cut the metamorphic sequence (Wijbrans et...composed primarily of 30 nearly parallel, high-angle quartz veins that extend for at least New unnamed Ag |  | | Journal (article/letter/editorial) | | exploits an unusually high grade, lode-type SnâCu deposit in the Eastern Cordillera of the Peruvian Central...zoning, with copper overlying tin. The tin mineralization occurs mainly as cassiteriteâquartzâchlorite veins...which is the most distinctive phase of the pluton. Copper mineralization occurs predominantly in the veins...or are hosted entirely by slates. Both tin and copper mineralization are associated with strong chloritic...earlier episode of sericitization and tourmalineâquartz veining. Based on the distribution of alteration |  | | Report (volume) | | the ruby, sapphire, spinel, emerald, rutile, and quartz of gem quality have been synthesized. The best...colors. Impurities, such as iron, chromium, and copper, also tint the minerals. Care should be taken in...Fluorite Apatite . 6. 7. 8. 9. 10. Orthoclase Quartz Topaz Corundum Diamond The numbers preceding each...of silica (quartz, 7 on Moh's scale) particles, a gem stone should be harder than quartz. Some minerals...react to heat are: violet quartz (amethyst) changing to orange brown, smoky quartz to yellow, pale-green |  | | Report (volume) | | potential for gold, silver, copper, mercury, and molybdenum resources in quartz veins along a fault near...eastern part of the study area has low potential for copper, lead, and zinc resources in metavolcanic and metasedimentary...for silver, copper, zinc, mercury, molybdenum, and uranium resources. A metamorphosed quartz diorite intrusion...study area has high potential for gold, silver, copper, and molybdenum resources. Caldera-fill sedimentary...formed. The principal commodities sought were gold, copper, and mercury. A few mines produced small amounts |  | | Book | | MineralogicalRecord.com I IIMORIITE-(Y) EUROPE FRANCE Trimouns quarry, Luzenac, Ariege. Operated for...Litchfield County, where good crystals were taken from quartz veins in a variety of metamorphic, plutonic and...Litchfield, where a mass of white quartz on a ridge had once been mined for quartz, and large ilmenite masses...ilmenite crystals to 7 .5 cm in matrix of massive quartz from these dumps-adding that, in his judgment,..."jacupirangite" found in the Jacupiranga carbonatite deposit is ilmenite, in lustrous, flattened crystals to |  | Vallance, Jean, FontbotĂŠ, LluĂs, Chiaradia, Massimo, Markowski, Agnès, Schmidt, Susanne, Vennemann, Torsten (2009) Magmatic-dominated fluid evolution in the Jurassic Nambija gold skarn deposits (southeastern Ecuador) Mineralium Deposita, 44 (4) 389-413 doi:10.1007/s00126-009-0238-2 | Journal (article/letter/editorial) | | epidote and are spatially associated with porphyritic quartz-diorite to granodiorite intrusions. Endoskarn is...exoskarn and occurs mainly in sulfide-poor vugs and milky quartz veins and veinlets in association with hematite...values between 6.2â° and 11.5â° for gold-bearing milky quartz from the retrograde stage suggest that the ore-forming...δ18O values of 0.4â° to 6.2â° for fluids depositing quartz (below 350°C) in sulfiderich barren veins. Low-temperature...responsible for the precipitation of late comb quartz and calcite in cavities and veins and indicate |  | Catchpole, H., Kouzmanov, K., Putlitz, B., Seo, J. H., Fontbote, L. (2015) Zoned Base Metal Mineralization in a Porphyry System: Origin and Evolution of Mineralizing Fluids in the Morococha District, Peru. Economic Geology, 110 (1) 39-71 doi:10.2113/econgeo.110.1.39 | Journal (article/letter/editorial) | | veins overprint the giant Toromocho porphyry Cu-Mo deposit in the center of the district and display a typical...intermediate-density fluid inclusions trapped in a milky quartz vein predating Cordilleran polymetallic mineralization...the fluids deposited abundant rhodochrosite and quartz, while following the boiling curve toward lower...by meteoric waters during the carbonate stage. Copper (5,000â18,000 Âľg/g), sulfur (up to 12,000 Âľg/g)...intermediate-density fluid inclusions in the milky quartz veins are approximately 5 to 10 times higher |  | | Report (issue) | | crystals are intimately associated with galena in the quartz vein on the Hickory Ridge farm east of Free Union...Elongated chalky-while apatite crystals occur in quartz at the quartz mine on Hickory Ridge farm nortlwest. of...mixture of apatite and rutile, occurring in a deposit near Charlottesville." This may have been in reference...aragonite occur on slate at the Stony Point iron-copper mine. Similar aragonite is found as thin white...Coarse masses of cleavable barite occur at a quartz-crystal locality as float in red soil south of |  | | Report (volume) | | _________ Quartz-sulfide stockwork deposit________________________---_ Emerald Isle copper deposit__...mine-_______________________________________________ Gross copper prospects_________________________________________...124 TABLES TABLE 1. Production of gold, silver, copper, lead, and zinc in Wallapai district, 1904-48_...________...__-_ 2. Production of gold, silver, copper, lead, and zinc of selected mines in Wallapai district...displacements. The typical ore occurs in pyritic quartz veins and lodes formed at intermediate depths. |  | | Journal (issue) | | Interests of the Collector , especially to the whole quartz group . the Student , the Dealer and the Miner...Desired Setting . page about Geo . L. English & Co.'s grand opening sale of new minerals , secured by AUSTRALIAN...contain any text recoverable by the OCR engine. C. QUARTZ , HOT SPRINGS , ARKANSAS . IN THE COLLECTION OF...mentions the following species found in two of the quartz veins : zircon , astrophyllite , arfvedsonite ...and yellowish mica . To this list may be added quartz , galena and chalcopyrite , all of which are mentioned |  | Giuliani, G., Olivo, G.R., Marini, O.J., Michel, D. (1993) The Santa Rita gold deposit in the Proterozoic ParanoĂĄ Group, GoiĂĄs, Brazil: An example of fluid mixing during ore deposition. Ore Geology Reviews, 8 (6) 503-523 doi:10.1016/0169-1368(93)90042-w | Journal (article/letter/editorial) | | Printed in The Netherlands 503 The Santa Rita gold deposit in the Proterozoic Parano i Group, Goi ts, Brazil:...en Cooptration, 213 Rue La Fayette, 75480-Paris, France bUniversitk du Quebec, Montreal Que. H3C 3P8, Canada...Sup~rieure de G~ologie, B.P. 452, 54001 Nancy Cedex, France (Received May 27, 1993; revised version accepted...accepted June 26, 1993) ABSTRACT The Santa Rita gold deposit (Central Goi~is, Brazil) is hosted by Middle to...greenschist facies. The ore is contained in pyritebearing quartz-carbonate veins. The mineralizationis structurally |  | | Journal (article/letter/editorial) | | andesiticvolcanicrocksin the southernpart of the deposit,and of overprintedquartz-sericitepyrite alteration...alterationassemblage constitutes a low-gradecentralcore to the deposit,at depthsgreaterthan 400 m. A little-knownzone...0961-0128/84/265/106-1852.50 a blind orebody. 106 Mo-RICH COPPER DEPOSIT, MOCOA, COLOMBIA 107 Compiledduringongoingexplorationat...Putumayo, southwestern Colombia.Althoughremote,the deposit liesonly 10 km northof the town of Mocoa,an agricultural...two bradasChapulinaand Tosoy(Figs.2, 8, 6 and 8); copper-molybdenum-zinc anomalies:one west of the inte |  | | Journal (article/letter/editorial) | | worthy of special investigation this far south. The deposit is 17 miles east of Gadsden, 50 miles northeast...fluoresces blue (through the quartz) under the Mineralight; in addition the quartz crystal has a colorless... N . J., donated to R & M two quartz specimensâgroups of milky quartz and rock crystalsâboth coming from...the Haddam, Middleany readers visited DelawareâQuartz crystals, loose in the soil, have been reported...specializes in meteorites. KentuckyâA nice 3-inch quartz geode from Knob Creek, Meade Co., Ky., was recently |  | Sun, Guotao, Zeng, Qingdong, Zhou, Lingli, Wang, Yongbin, Chen, Peiwen (2020) Trace element contents and in situ sulfur isotope analyses of pyrite in the Baiyun gold deposit, NE China: Implication for the genesis of intrusion-related gold deposits. Ore Geology Reviews, 118. 103330 doi:10.1016/j.oregeorev.2020.103330 | Journal (article/letter/editorial) | | isotope analyses of pyrite in the Baiyun gold deposit, NE China: Implication for the genesis of intrusion-related...isotope analyses of pyrite in the Baiyun gold deposit, NE China: Implication for the genesis of intrusion-related...isotope analyses of pyrite in the Baiyun gold deposit, NE China: Implication for the genesis of intrusion-related...gold systems. Here, we choose the Baiyun gold deposit, which is hosted within the Paleoproterozoic metamorphic...a case study, to address these issues. The ore deposit geology characteristics and paragenesis are described |  | | Journal (issue) | | Burford ... 306 PLATINUM METALS IN A COLORADO COPPER DEPOSIT ........ 307 PR IZE ARTICLE CONTEST .........1¡e).l'is1e1ed in U. S. Patent Office ny ,l- est in- of r,er and ne. - !Specially wri11en Articles...te-coccolite Pyroxene-diopside Pyrrhotite Quartz Quartz-milky Quartz-smoky Quarts- rose Serpentine Serpentine-bowenite...has black, acicular crystals of good q uality in quartz. Masses of t hin f ibrous black hornblende can...Quarts-smoky and rose. When the records say that quartz has been found a t Tilly Foster without mentioning |  | | Book | | billion tons. Other countries, such as Australia and France and doubtless the U.S.S.R., likewise established...among thern or just a mere habit. "Skimming the Milky Way" Bill Nye ⢠chapter one RADIOACTIVE MINERALS...3,200 A. Short wavelengths are produced by cold quartz tubes utilizing mercw-y vapor ionization at low...jn a field of low magnification. Much dark smoky quartz owes its coloration to alpha-particle bo1nbardment...concentrations of radioactive elements can also darken quartz, as well as adjacent radioactive grains, although |  | Voudouris, P., Mavrogonatos, C., Spry, P.G., Baker, T., Melfos, V., Klemd, R., Haase, K., Repstock, A., Djiba, A., Bismayer, U., Tarantola, A., Scheffer, C., Moritz, R., Kouzmanov, K., Alfieris, D., Papavassiliou, K., Schaarschmidt, A., Galanopoulos, E., Galanos, E., KoĹodziejczyk, J., Stergiou, C., Melfou, M. (2019) Porphyry and epithermal deposits in Greece: An overview, new discoveries, and mineralogical constraints on their genesis. Ore Geology Reviews, 107. 654-691 doi:10.1016/j.oregeorev.2019.03.019 | Journal (article/letter/editorial) | | Sciences et Technologies, Vandoeuvre-lèsNancy, France; alexandre.tarantola@univ-lorraine.fr 9 DĂŠpartement...major role in its total gold endowment. These deposit types are mainly clustered in two areas, the Rhodope-...multistage introduction of Au, the presence of banded quartz veinlets, and the local presence of tourmaline...porphyry Mo-W mineralization occurs as sheeted quartz veins and stockworks cutting a potassic- to sericitic-altered...porphyry; (b) diorite porphyry; (c) microdiorite; (d) quartz monzodiorite; and (e) microgranite porphyry. Intrusive |  | | Report (issue) | | the Boulder batholith __________________ _ Butte quartz monzonite _____________________ _ Rock type cl...batholithic volcanic rocks ___________________ _ Quartz latite _____________________________ -Distribution...Chalcedony vein zones _________________________ _ Quartz latite dikes _____________________________ _ Non...ns _________________________________________ _ Quartz veins ______________________________ _ Structure... _ Chalcedony veins _________________ ---------Quartz-chalcedony veins_,_ __________________ _ Wallrock |  | | Report (volume) | | __________________ _ The Funter Bay nickel-copper deposit, Admiralty Island, Alaska, by Fred Barker-...Cosmos Hills_______________________ Ruby Creek copper prospect________________________________ Hughes...the Alaska Range, etc.-Continued Polychrome Pass deposit-Continued Test data___________________________..._________________________ Geologic setting of deposit ___ ¡-__ ________________________ Description of...______________________ West Fork Calico Creek deposit ______ ¡--------------------------Geology_____ |  | Catchpole, Honza, Kouzmanov, Kalin, BendezĂş, Aldo, Ovtcharova, Maria, Spikings, Richard, Stein, Holly, FontbotĂŠ, LluĂs (2015) Timing of porphyry (Cu-Mo) and base metal (Zn-Pb-Ag-Cu) mineralisation in a magmatic-hydrothermal systemâMorococha district, Peru. Mineralium Deposita, 50 (8) 895-922 doi:10.1007/s00126-014-0564-x | Journal (article/letter/editorial) | | bodies and the large Toromocho porphyry Cu-Mo deposit in its centre. U-Pb, Re-Os, and 40Ar/39Ar geochronology...porphyry stock associated with anhydrous skarn and quartz-molybdenite veins. The hydrothermal events are...for the formation of the giant Toromocho CuMo deposit. At least two hydrothermal pulses are identified...Bissig et al. (2008) proposed that magmatism and deposit formation in the belt are related to flattening...âź5 Ma, a series of dioritic, granodioritic, and quartz monzonitic porphyry stocks Hydrothermal mineralisation |  | | Journal (article/letter/editorial) | | Olivenite and cornwallite from the Podlipa copper deposit near Ä˝ubietovĂĄ, Slovakia Martin Ĺ tevko1,2)*...Olivenite and cornwallite from the Podlipa copper deposit near Ä˝ubietovĂĄ, Slovakia. Bull Mineral Petrolog...recently discovered in cavities of quartz at the Podlipa copper deposit near Ä˝ubietovĂĄ, Slovakia. Olivenite...P21/c) of botryoidal cornwallite from the Podlipa deposit are: a 4.6112(2) Ă
, b 5.7698(3) Ă
, c 17.4167(11)...X-ray powder data, chemical composition, Podlipa deposit, Ä˝ubietovĂĄ, Slovakia Received 13. 10. 2021; accepted |  | | Journal (article/letter/editorial) | | uglies,â yet they are not only important ores of copper and silver, they can also provide impressive and...silver substituting for copper. Zinc and mercury may also substitute for copper in some specimens. It is...most common, and is an important ore mineral of copper and a minor source of silver. In fact, in some...calcite, dolomite, siderite, barite, fluorite, and quartz. Associates also include the rare minerals zinkenite...Ivittuut (Ivigtut is the old spelling) cryolite deposit in Greenland is an example of this type of occurrence |  | | Journal (article/letter/editorial) | | Canada Ore Mineralogy of the Waschgang Gold-Copper Deposit, Upper Carinthia, Austria 1 W. H. Paar and...Geburtstag in Dankbarkeit gewidmet Summary The gold-copper dePosit at Waschgang (Southern Goldberg mountains,...belongs to a type of stratiform, dominantly pyritic deposit, which is hosted by greenschists ("Alpine Kieslager";...unit. A N - S trending fault zone cuts the ore deposit to the W (Lettenkluft); the position of the displaced...activity Ore Mineralogy of the WaschgangGold-Copper Deposit ~+~ . . . . ~+ SALZBURG ~"~ AREA OF INVESTIGATION |  | | Journal (issue) | | Milpillas mine, opened in 2006, is an unde,ground copper mine in Sonora, Mexico operated by Industrias Petioles...enriched Porphyry Copper Deposit, which proved to contain multiple bonanzas of world-class copper minerals, especially...INTRODUCTION The Milpillas mine is an underground copper mine in Sonora, Mexico operated by the Mexican...discovered, deeply oxidized and enriched Porphyry Copper Deposit (the term is traditionally capitalized in geological...crystallized examples of other copper minerals, including several rare copper vanadate and arsenate species |
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