 | Barkov, A. Y., Martin, R. F., Fleet, M. E., Nixon, G. T., Levson, V. M. (2008) New data on associations of platinum-group minerals in placer deposits of British Columbia, Canada. Mineralogy and Petrology, 92 (1) 9-29 doi:10.1007/s00710-007-0192-6 | Journal (article/letter/editorial) | | of platinum-group minerals in placer deposits of British Columbia, Canada A. Y. Barkov1, R. F. Martin1...Montreal, Canada Department of Earth Sciences, University of Western Ontario, London, Ontario, Canada 3 B.C...Mines and Petroleum Resources, Victoria, British Columbia, Canada 2 Received November 3, 2005; revised...platinumgroup minerals (PGM; 0.1ā1 mm in size) from 11 placer samples collected from Holocene fluvial placers...paleochannel placers at various localities in British Columbia. These grains principally comprise Pt-Fe-(Cu) |  | | Journal (article/letter/editorial) | | analysis and origin of a distal fluvial Au-PGE placer in Central Europe Harald G. Dill & Detlev Klosa...characteristics of the āDonauplatinā (Danubian fluvial placer containing platinum-group elements (PGE) and gold...upstream reference placer deposits near the potential source area in tributaries of the River Danube/Donau...Bohemian Massif. The Au-Pd-Cu compounds in the placer originated from dynamometamorphogenic processes...Bavarian Basement connected with the Donau River via the Naab River drainage system have not contributed to |  | | | | in the field ~ā Various geological locations iin CanadaĀ© Physical properties of minerals and rocks, and...Fitzhenry & Whiteside acknowledges with thanks the Canada Council for the Arts, and the Ontario Arts Council...acknowledge the financial support of the Government of Canada through the Book Publishing Industry Development...publishing activities. Ss Canada Council for the Arts Conseil des Arts du Canada vw ONTARIO ARTS COUNCIL...CONSEIL DES ARTS DE L'ONTARIO Library and Archives Canada Cataloguing in Publication Grice, Joel Beginner's |  | | Journal (article/letter/editorial) | | inorganic chemical processes and also found in clastic deposits as a result of weathering, erosion, transport...leading to what is called the formation of placer deposits. Of the approximately 150 gemstones, roughly...roughly 40 can be recovered from placer deposits for a profit after having passed through the ānatural processing...that plays the major part among the placer-type gemstones (almandine, apatite, (chrome) diopside, (chrome)...pathfinder minerals for primary or secondary gemstone deposits of their own together with a series of other non-gemmy |  | | Report (issue) | | PAPER 69-45 GEOLOGICAL SURVEY OF CANADA DEPARTMENT OF ENERGY, MINES AND RESOURCES A CATALOGUE OF...MINERALS R. J. Traill ' GEOLOGICAL SURVEY OF CANADA CANADA PAPER 69-45 A CATALOGUE OF CANADIAN MINERALS...n's Printer, Ottawa from the Geological Survey of Canada 601 Booth St., Ottawa and Canadian Government bookshops...to change without notic e Queen ' s Printer for Canada Ottawa 1970 A CATALOGUE OF CANADIAN MINERALS...has elapsed since T . Sterry Hunt in Geology of Canada, 1863 , presented the first descriptive list of |  | | Journal (article/letter/editorial) | | Topographic Gradients and lode gold sourcing recorded by placer gold morphology, geochemistry, and mineral inclusions...inclusions in the east fork san gabriel river, california, U.S.A Erik B. Melchiorre, Justin Henderson PII:...Topographic Gradients and lode gold sourcing recorded by placer gold morphology, geochemistry, and mineral inclusions...inclusions in the east fork san gabriel river, california, U.S.A, Ore Geology Reviews (2019), doi: https://doi... TOPOGRAPHIC GRADIENTS AND LODE GOLD SOURCING RECORDED BY PLACER GOLD MORPHOLOGY, GEOCHEMISTRY, AND MINERAL INCLUSIONS |  | | Journal (article/letter/editorial) | | from Canada Downloaded by [Florida International University] at 19:52 23 August 2013 C anada is home...colored gemstone deposits. From amethyst to zircon, from emerald to sapphire, Canada has it all. Yet,... for most of its history, Canada has been regarded as a nation devoid of gemstones. Nothing could be...species have been found at one time or another in Canada (fig. 1). Some gem localities, such as those for...aquamarine in British Columbia are but a few examples. Direct exploration for colored gemstones by mining companies |  | | Book | | Wayne S. Moen and William Reichert at the State Division of Geology and Earth Resources in Olympia were...minerals. a. 3. HORNFELS ZONE Biotite, muscovite, almandine, hornblende, cordierite VEINLIKE REPLACEMENTS...ilmenite, rutile, cordierite, corundum, spinel almandine, chloritoid, hercynite, jadeitc, lawsonitc, crossite...LENSES The primary minerals of oceanic manganese deposits become replacĀ ed by a series of manganese silicates...siliceous solutions. a. OLYMPIC PENINSULA MANGANESE DEPOSITS Hausmannite, bcmentlte, braunite, jacobsite, crednerite |  | | Journal (article/letter/editorial) | | Ryabov & Lapkovsky 2010a,b). Various types of ore deposits were recognized in the Dzhaltul complex, including...knowledge of the platinumgroup mineralogy of PGE-Cu-Ni deposits that have an affinity with trap-type basalt complexes... At Lukkulaisvaara, telargpalite, which cuts almandine, presumably formed at a temperature lower than...to occurrences of bismuthotellurides in other deposits (e.g., CabRi et al. 1993, baRkov et al. 2002)...of Pd and Ag exists in these PGE-Ni-Cu-bearing deposits, as reflected in the abundance and intergrowth |  | | Journal (article/letter/editorial) | | farming, forest/vegetative cover, and glacial deposits, it is likely that other interesting mineral environments...Canadian specimens was made. Specimens from British Columbia and the Yukon Territory represent the Cordilleran...specimen from British Columbia may be the finest specimen of crystallized gold known from Canada. It shows...specimens from the Bouglise collection. A small tube of placer gold is from Bonanza Creek, and a crystallized...Otago] at 22:36 02 January 2015 the origin of placer deposits may be complex with multiple sources of gold |  | | Journal (article/letter/editorial) | | specimens, are either inaccessible or are in closed mining districts, or are closed for political reasons...City-D~Lamar Mining Dlstricts / J\. I,' -r-, - L..... ~ rl.. kl \ , 50 I 100 I Miles old mining and...scientific significance. In this index, the better known mining districts that have produced many high-quality...Creek Canyon, 5 miles east of New Meadows, placer deposits: chromite, CORUNDUM, diamond, garnet, gold...The mines were developed on skarn-type copper deposits; minerals present include andradite, antigorite |  | | Journal (article/letter/editorial) | | The āchessboardā classiļ¬cation scheme of mineral deposits: Mineralogy and geology from aluminum to zirconium...November 2009 Keywords: economic geology mineral deposits geology mineralogy classiļ¬cation scheme spreadsheet...Further information on the various types of mineral deposits, as to the major ore and gangue minerals, the...or when and in which geodynamic setting these deposits mainly formed throughout the geological past may...forward by the various researchers for all the deposits pertaining to a certain clan of lithology or structure | | | Journal (article/letter/editorial) | | The āchessboardā classiļ¬cation scheme of mineral deposits: Mineralogy and geology from aluminum to zirconium...November 2009 Keywords: economic geology mineral deposits geology mineralogy classiļ¬cation scheme spreadsheet...Further information on the various types of mineral deposits, as to the major ore and gangue minerals, the...or when and in which geodynamic setting these deposits mainly formed throughout the geological past may...forward by the various researchers for all the deposits pertaining to a certain clan of lithology or structure |  | | Report (issue) | | Crystalline rocks_____________ - __ ---- __ -Fluvial deposits ______ -- __ --- ____ -_-_--Lacustrine placers...Consolidated sedimentary rocks_--------Fluvial deposits ___ -----------_--------Beach placers __ -- ___...------------------Dominion of Canada _______________________ _ British Columbia_------ __ -------------_...________________________________ _ Honduras and British Honduras ___________ _ MexicO-----------------...________________________ _ Stream deposits ____ ------- ________ _ Beach deposits ___ -----------------Colorado |  | | Report (issue) | | California 1983 PREFACE This compendium of ore deposits models was assembled for the Colombia Mineral...Rocks typical of the geologic terrane in which the deposits are found. (For igneous rock, use terminology...rocks. Age range; Ages of known deposits and ages in which such deposits might have formed. Depositional...in the genesis of the deposit type. Associated deposits; porphyries. Example, copper skarns associated...indicative of the deposit or related to associated deposits. Ore minerals; List ore and gangue minerals in |  | | Report (issue) | | Palmer. Michigan 6. Ri.bbon asbestos ore. Quebec. Canada 7. Manganese ore. banded rhodochrosite 8. Aluminum...FORCE Metamorphic Source Rocks of Titanium Placer Deposits-A Geochemical Cycle By E. R. FORCE Rutile...MORGAN Titanium Deposits in Anorthosite Massifs By NORMAN HERZ Titanium Deposits in Alkalic Igneous...Igneous Rocks By NORMAN HERZ Titanium Minerals in Deposits of Other Minerals By E. R. FORCE GEOLOGY AND RESOURCES...E. R. Metamorphic source rocks of titanium placer deposits, a geochemical cycle.-Blake, M. C., Jr., and |  | Kaminsky, F. V., Zakharchenko, O. D., Khachatryan, G. K., Griffin, W. L., Channer, D. M. DeR. (2006) DIAMOND FROM THE LOS COQUITOS AREA, BOLIVAR STATE, VENEZUELA. The Canadian Mineralogist, 44 (2) 323-340 doi:10.2113/gscanmin.44.2.323 | Journal (article/letter/editorial) | | 2446 Shadbolt Lane, West Vancouver, British Columbia V7S 3J1, Canada William L. GRIFFIN GEMOC Key Centre...Exploration and Mining, North Ryde, NSW 2113, Australia Dominic M. DeR. CHANNER Guaniamo Mining Company, Centro...diamond crystals from the Los Coquitos placer on the Guaniamo River in Bolivar State, Venezuela, has been...from the Quebrada Grande kimberlite sills and placer deposits, both located 50 km to the southeast. The diamond...diamond crystals in the Los Coquitos placer are generally similar to those of the Quebrada Grande area |  | Giuliani, Gaston, Groat, Lee, Fallick, Anthony, Pignatelli, Isabella, Pardieu, Vincent (2020) Ruby Deposits: A Review and Geological Classification. Minerals, 10 (7) 597 doi:10.3390/min10070597 | Journal (article/letter/editorial) | | minerals Review Ruby Deposits: A Review and Geological Classification Gaston Giuliani 1, *, Lee A. Groat...Atmospheric Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada; groat@mail.ubc.ca Isotope...Gem corundum deposits are classified as primary and secondary deposits. Primary deposits contain corundum...Earthās surface. Classification systems for corundum deposits are based on different mineralogical and geological... An up-to-date classification scheme for ruby deposits is described in the present paper. Ruby forms |  | | Journal (article/letter/editorial) | | accumulation and mining. We report a method for rapid composition and morphology characterization of placer sediment...and North Westland. The garnets are typically almandine rich and are mostly derived from the Alpine Schist...calculated garnet-ilmenite area ratio for the beach placer samples coupled with the historical ilmenite bulk...be readily applied to other sedimentary mineral deposits. Introduction Beach placers accumulate from heavy...minerals are reworked along the coastlines near river mouths (e.g., Morton, 1987, 1991; Kudrass, 2000; |  | | Report (issue) | | is described from Hemlo gold deposit, Ontario, Canada (Pan and Fleet, 1991 ). Another recently documented...recorded from the Two Duck Lake intrusion, Ontario, Canada (Watkinson and Ohnenstetter, 1992). Allanite-(La)...Barbertonite was initially described from asbestos deposits in Archean serpentinites (Onverwacht Group, Barberton...recorded with stichtite at Nevada Creek, Dundas mining district, Tasmania, Australia (in Lancaster,1977)...1977) and from the Bou Offroh deposit, Bou Azzer mining district, Morocco. Additional occurrences include |  | Ngoc Khoi, Nguyen, Hauzenberger, Christoph A., Anh Tuan, Duong, HƤger, Tobias, Van Nam, Nguyen, Thuy Duong, Nguyen (2016) Mineralogy and petrology of gneiss hosted corundum deposits from the Day Nui Con Voi metamorphic range, Ailao ShanāRed River shear zone (North Vietnam) Neues Jahrbuch fĆ¼r Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 193 (2) 161-181 doi:10.1127/njma/2016/0300 | Journal (article/letter/editorial) | | hosted corundum deposits from the Day Nui Con Voi metamorphic range, Ailao ShanāRed River shear zone (North...With 10 figures and 6 tables Abstract: Corundum deposits and occurrences are typically associated with...pegmatoids of the Day Nui Con Voi range, Ailao ShanāRed River shear zone, North Vietnam. The partly migmatized... gneiss, Day Nui Con Voi range, Ailao ShanāRed River shear zone, mineralogy, petrology, paragenesis,...community for their high gem-quality corundum deposits (Fig. 1). Vietnam geologists found corundum and |  | | Report (issue) | | Ministry of Energy, Mines and Petroleum Resources British Columbia Geological Survey Paper 2020-01 Ministry...Resources Mines and Mineral Resources Division British Columbia Geological Survey Recommended citation...Neogene porphyry Cu-Mo(Ā±Au-Ag) mineralization in British Columbia: the Klaskish Plutonic Suite, northern Vancouver...Fieldwork 2019, British Columbia Ministry of Energy, Mines and Petroleum Resources, British Columbia Geological...batholith and its surroundings, north-central British Columbia, this volume. Photo by Dejan Milidragovic |  | | Journal (article/letter/editorial) | | studies of PGM grains in alluvial-fluvial placer deposits from the Bayerischer Wald, SE Germany: hollingworthite...Bavaria, Germany, alluvial-fluvial Au-PGE placer deposits containing native gold, gold amalgam, gold-silver-copper...to have delivered the PGE minerals of the placer deposits in the Bayerischer Wald. The morphology of...alluvialfluvial placer, whereas the Pt-bearing alloys underwent slight reworking on transport. The PGE placer mineralization...(Danubian fluvial Au-PGE placer mineralization) along the leg of the river Donau between Regensburg and |  | | Journal (article/letter/editorial) | | 2446 Shadbolt Lane, West Vancouver, British Columbia V7S 3J1, Canada Richard WIRTH Dept. 3.3 Chemistry...found or reported upon only in recent alluvial placer deposits (e.g., Orlov 1987, Kaminskiy 1987, 1994). The...some Brazilian and Central African alluvial placer deposits carbonado comprises ~30% of Corresponding...is located within the alluvial placer deposits of the Macaubas River basin, Minas Gerais State. The placers...investigated carbonado grains from the Macaubas River have the following weights and specific densities: |  | | Book | | Properties 20 Where Gemstones are Found 24 Mining Gemstones 26 Cutting Gems 28 Polishing and...coloration also account for the difference in price. ALMANDINE GARNET DURABILITY The phrase ādiamonds are foreverā...gemstones are recovered from gravels, called placer deposits, before those gravels are reconstituted into...lining garnet crystal Garnet in schist This almandine garnet crystal has formed through alteration by...such example is the Black Prince's āRubyā in the British crown jewels, which is actually a spinel. Today |
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