 | | Book | | Jaroslav Dostal Editors Mineral Resources of Mongolia Modern Approaches in Solid Earth Sciences Volume...Jaroslav Dostal Editors Mineral Resources of Mongolia Editors Ochir Gerel Geoscience Center Mongolian...University of Science and Technology Ulaanbatar, Mongolia Bayaraa Batkhishig Department of Geology and Hydrogeology...University of Science and Technology Ulaanbaatar, Mongolia Franco Pirajno Centre for Exploration Targeting...Gateway East, Singapore 189721, Singapore Preface Mongolia occupies the central part of the giant Central |  | Vladimirov, A. G., Anh, Phan Luu, Kruk, N. N., Smirnov, C. Z., Annikova, I. Yu., Pavlova, G. G., Kuibida, M. L., Moroz, E. N., Sokolova, E. N., Astrelina, E. I. (2012) Petrology of the tin-bearing granite-leucogranites of the Piaoak Massif, Northern Vietnam. Petrology, 20 (6) 545-566 doi:10.1134/s0869591112050074 | Journal (article/letter/editorial) | | tinbearing graniteleucogranites located in the Caobang Province of Northern Viet nam compose a stocklike hypabyssal...20th century (Lacroix, 1933). The quartz– vein–greisen ores with uranium–thorium mineraliza tion related...by lowgrade rare metal granites of the Bana Complex in Central Viet nam (Phan Luu Anh, 2010), whereas...denote the raremetal granite massifs of the Piaoak Complex (Đš2), filled boxes in the Southern Vietnam are...are raremetal granite massifs of the Cana Complex (Đš2). The names of the studied massifs: (1) Piaoak, (2) |  | Lefebvre, Marie G., Romer, Rolf L., Glodny, Johannes, Kroner, Uwe, Roscher, Marco (2019) The Hämmerlein skarn-hosted polymetallic deposit and the Eibenstock granite associated greisen, western Erzgebirge, Germany: two phases of mineralization—two Sn sources. Mineralium Deposita, 54 (2) 193-216 doi:10.1007/s00126-018-0830-4 | Journal (article/letter/editorial) | | deposit and the Eibenstock granite associated greisen, western Erzgebirge, Germany: two phases of mineralization—two...units at ~ 320 Ma, and locally also developed greisen mineralization. Cassiterite is the main ore mineral...mineral in the Hämmerlein skarn and in greisen mineralizations associated with the Eibenstock granite....assemblage with chlorite and fluorite. The Sr isotope signatures of fluorite indicate that this late assemblage...Keywords Erzgebirge . Hämmerlein . Tin . Skarn . Greisen . Ore deposits . Eibenstock granite Introduction |  | | Journal (volume) | | 259. 22 pages, 8 figures and 4 tables. One small greisen-type genthelvite occurrence has been found in the...Eurajoki area and three in the Kymi area. The greisen bodies are associated wirh topaz-bearing biotite...assemblages is: whire mica, chlorite, genthe lvite, fluorite, ± quartz, ± relict feldspar, ± topaz, ± cassiterite...A chemical analysis of the genthelvite-bearing greisen from Eurajoki showed that the rock contains enriched...vite from the Eurajoki and two of the K ym i occurrences showed that the minerals are almost identical |  | | Journal (article/letter/editorial) | | Abstract-There are over a hundred deposits and occurrences of molybdenum mineralization in Bulgaria. With...genesis they belong to the magmatic (?), pegmatitic, greisen, hydrothermal and iron-sulphide endogenic classes...sphalerite) greisens and pseudogreisens (quartz-sericite-fluorite metasomatites), the molybdenum-tungsten-bearing...copper-gold-polymetalhc, polymetallic-silver sulphoarsenidic and fluorite-barite-polymetallic. Only as a mineralogic occurrence...molybdenite has been established in the lead-zinc, fluorite and iron-sulphide deposits and also as an accessory |  | | Report (issue) | | Semiquantitative spectrographic analyses of veins, greisen, and granite, ~ary Lee mine area -------------...ore. The late date of recognition of some of the complex ores of the district is significant and suggests...result in the discovery of other minable deposits. Complex ore deposits are spatially associated with granitic...Scheelite deposits in calc-silicate rocks and greisen deposits near Tappan Mountain that contain tin...many small deposits of beryllium, tungsten, and fluorite. One of these deposits,· that of the Boomer mine |  | Runyon, Simone E., Seedorff, Eric, Barton, Mark D., Steele-MacInnis, Matthew, Lecumberri-Sanchez, Pilar, Mazdab, Frank K. (2019) Coarse muscovite veins and alteration in porphyry systems. Ore Geology Reviews, 113. 103045 doi:10.1016/j.oregeorev.2019.103045 | Journal (article/letter/editorial) | | U R N AL PR E- Keywords: porphyry copper, greisen, coarse muscovite alteration, hydrothermal alteration...compared to coarse hydrothermal muscovite O (greisen) in lode Sn-W-Mo systems. Basin and Range extension...and apatite, and rare accessory chalcopyrite, fluorite, molybdenite, wolframite, and scheelite. Coarse...many deposits in the Basin and Range extensional province has exposed deep and distal portions of certain...documentation of Na-Ca and coarse muscovite (“greisen”) alteration in the roots of a PR few deposits |  | | Report (issue) | | _ ~ Greisen---------------------------------------Distribution of beryllium deposits and greisen ___...beryllium ores ____________________________________ _ Greisen pipes ______________________________ _ Vein deposits...of the beryllium deposits _________________ _ Greisen areas and representative mines _______________...Structure _________________________________ _ Greisen ___________________________________ _ Boomer mine...Flats) beryllium area. Map of fluorite deposits and beryllium- and greisen-rich areas. Geologic map and |  | Tripp, Richard B., Crim, William D., Hoffman, James D., O'Leary, Richard M., Risoli, Donald A. (1986) Mineralogical and geochemical maps showing the distribution of selected minerals and elements found in the minus-80-mesh stream-sediment and related minus-30-mesh heavy-mineral-concentrate samples from the Circle quadrangle, Alaska. Open-File Report Vol. 1986 (83-170) US Geological Survey doi:10.3133/ofr83170f | Report (issue) | | eight tracts of land which may contain mineral occurrences based on the mineralogy and chemistry of the...found in 22 samples include allanite, cyrtolite, fluorite, galena, monazite, sphalerite, tourmaline, and...Tertiary-Cretaceous peraluminous granites and related tin vein/greisen areas (TKg) and the hornfelsed quartzitic schists...samples suggests that numerous tin vein and greisen occurrences may be found in this tract (pi. 1, map 1;...arsenopyrite, chalcopyrite, galena, sphalerite, fluorite, tourmaline, thorite, monazite, and allanite. |  | | Journal (article/letter/editorial) | | progressive alteration process, finally leading to greisen formation. The path of the process was reconstructed...indicators for good reasons. First, their structure is complex, with many different sites allowing introduction...respectively places, where gneiss, metasomatite, greisen and leptinite samples have been collected. veins...environment, which is accompanied by tourmaline occurrences. The W – Sn minerals of no economic significance...processes like albitization preceded greisen formation, and the whole complex of tourmaline-bearing rocks form |  | | Journal (article/letter/editorial) | | general idea of the great variety of geological occurrences of molybdenite. Some information about the g...miles S.W. of Kingman, Hualpai Mts., 2Hr Many greisen-pegmatite deposits are known in this area (Wilson...l-ake'I'ahoe, California 2[11 Contact metamorphic occurrences of moll'bdenite are known from this region. Tbis...also contains pyrite, sericite, orthoclase, and fluorite. The main Climax ore is an altered granite. The...follo'vr,'ingis a short description of the Canadian occurrences (Vokes, 1963). Deposits of molybdenite occur |  | | Book | | the world and regions noted for significant occurrences are generally termed metallogenic provinces....considering North America. If all minor tin occurrences are plotted on a large scale map of the continent...continent, it is possible to outline a province extending from Alaska to Mexico. (Sainsbury et al. 1969...1969, Schuiling, 1967a). However, the occurrences are extremely dispersed, frequently of little more than...would hesitate to nominate the entire zone as a province. Similarly global scale linear tin belts can be |  | | Journal (article/letter/editorial) | | and relatively coarse grained muscovite-quartz (greisen). Quartz veins and potassic alteration are focused...observed on the deep flanks of certain systems; and greisen occurs directly beneath ore within and beneath...Laramide, mid-Mesozoic) Limit of Basin and Range Province copper deposits post-Laramide cover Laramide...America, showing the limit of the Basin and Range province, the schematic representation of domains that...protoliths in the vicinity. Note also that the term greisen is used here, following Shaver (1991), Reed (1997) |  | Henley, H. F., Brown, R. E., Brownlow, J. W., Barnes, R. G., Stroud, W. J. (2001) Grafton-Maclean Metallogenic Map (SH/56-6, SH/56-7) Metallogenic Study and Mineral Deposit Data Sheets. Geological Survey of New South Wales | Report (issue) | | more than two thousand mineral deposits and occurrences which occur in the map sheet area. The dominant...molybdenum, gold, base metal, arsenic and gem occurrences in and around highly fractionated leucocratic...sediments and volcanic units and accretionary complex oceanic sediments and volcanic bodies. These rocks...podiform chromite and asbestos deposits and occurrences. Extensive plutonism and coeval volcanism occurred...than one thousand separate mineral occurrences. Most of these occurrences are small, high-grade joint-controlled |  | | Book | | Ukrainian and Aldan shields, the Baikal-Patom province, etc. (Fig. 1). Due to the work of A. Fersman...(Molodyozhnoye), as well as the discovery of a major province of polymetallic (Kholodninskoye) and copper ores...prolonged period and for which we can trace a complex history in the transformation of primary ore concentrations...magrnatic liquation and segregation types, skarn, greisen, numerous and varied high-, medium- and low-temperature...tectonic province - craton (East European, Siberian, etc.) Global tectonic belt (e.g. Urals-Mongolia) Tectonic |  | | Journal (volume) | | Editorial Board. ISSN 0263 7839 FRONT COVER: Pale blue fluorite cubes (to 15 mm) with minor hematite on cream...bismuth minerals, including russellite, within greisen veins in the western Mourne Mountains, Northern...mining at the combined Beckermet – Florence mine complex in the late 1970s. A substantial proportion of...part of the extensive Beckermet – Florence mine complex which was finally abandoned in 1980. During its...comprise a substantial part of a wider Cumbrian province of hematite mineralisation that includes deposits |  | | Report (volume) | | area). The Healy quadrangle is a geologically complex and diverse area along the accretionary margin...1986). Rock Units Two major areas of mineral occurrences in the Healy quadrangle are the Upper Chulitna...ultramafic rocks in the district. A tin-bearing greisen in a small granitic stock in Ohio Creek (T. 20...was described by Hawley and Clark (1974). Tin occurrences associated with the The Yukon-Tanana terrane...Little Delta River; base- and precious-metal occurrences in the Reindeer Hills area; and a gold-antimony |  | | Book (volume) | | types and ore formations of mineral deposits and occurrences in Afghanistan. Magmatic mineral deposits. (V...87 Chapter 9 Catalogue of mineral deposits, occurrences, showings and mechanical mineralogical haloes...Geological map and cross section through the Bakhud Fluorite Deposit (after V.A. Avtonomov, 1976). Figure 9...iii List of Tables Table 1 Types of mercury occurrences. Table 2 Metallogenetic epoch of Afghanistan...1:4,000,000. Annex 2 Map of ore deposits and occurrences of ferrous metals and fuel minerals of Afghanistan |  | Korostelev, P. G., Gonevchuk, V. G., Semenyak, B. I., Gorelikova, N. V., Karabtsov, A. A., Kokorin, A. M., Kononov, V. V., Orekhov, A. A., Safronov, P. P., Sinyakov, E. Ya. (2009) The Dzhalinda Deposit in the Amur Region, Russia: Genesis and position in the classification of tin deposits. Geology of Ore Deposits, 51 (4) 305-316 doi:10.1134/s1075701509040047 | Journal (article/letter/editorial) | | California are also known to contain wood tin occurrences. From the beginning of World War II until the...which also controls a number of Sn-bearing greisen occurrences, as well as NNE-trending and steeply dipping...in the evolution of the tin-bearing Obmaniisky Complex (Fedchin and Fedchina, 1970; Gonevchuk and Gonevchuk...Dzhalinda deposit, extrusive rhyolite composes a complex orebody at the boundary of the volcanic field and...1998); (11) topaz rhyolites of the Basin and Range Province in the United States (Christiansen et al., 1984) |  | | Journal (issue) | | Slovakia The geology of Slovakia is as varied and complex as the UK, it is like a bigger version of the West...dolomite and small amounts of massive greenish fluorite. Some of our group also took a tour to the still...the day - Hnilec. This is one of the three greisen occurrences in Slovakia. A range of tin and tungsten...small hand size. Finds also included micro violet fluorite, black acicular tourmaline (schorl), albite, quartz...small area of molybdenite was also found in the greisen. Subsequent checking of this material with a UN |  | | Journal (article/letter/editorial) | | granite ± case study from the Schellerhau Granite Complex, Eastern Erzgebirge, Germany Received: 28 October...our aim to provide a detailed explanation of the complex causes of luminescence in quartz. The CL of quartz...Consequently, the luminescence behaviour is a complex function of the concentration of trace elements...studies we have chosen the Schellerhau Granite Complex (SGC ) in the Eastern Erzgebirge/ Germany. It has...melt batches and the accompanying ore-forming greisen ÂŻuids as originating from deeper parental magmas |  | | Journal (issue) | | Bookstore at www.MineralogicalRecord.com Front cover: Fluorite on Amazonite 7.5 cm, from the Smoky Hawk claim...Tom Spann photo. Back cover: Top row, from left: Fluorite, 6.7 cm, from the Weisseck, Austria. Collected...by Federico Pezzotta; Antonio Miglioli photo. Fluorite, 7.4 cm, from the La Barre mine, France. Collected...striated crystals, columnar striated crystals, complex intergrowths, half cube and half pyritohedron,...Recovery time at least a week. You’ve been warned! Fluorite with manganese oxide inclusions, 15 cm, from the |  | | Report (issue) | | to the knowledge of the geology and mineral occurrences in Australia. Most of these men later headed...heed of Lang Hancock’s knowledge of mineral occurrences in the Pilbara area. In 1959, Rio Tinto signed...new production has come from discoveries in a complex structural geological environment south of Kambalda...of the Eastern Bangemall Basin and the Paterson Province, in Geol. Surv. of West. Aust. Ann. Rpt, 1975...disseminated Archaean Big Bell gold deposit, Murchison Province, Western Australia: An example of premetamorphic |  | | Report (Issue volume) | | in the background VOLUME 1 GEOLOGY, MINERAL OCCURRENCES, EXPLORATION AND GEOCHEMISTRY R.E. Brown, H...and mineral occurrences of the Rivertree silver field Map 3 - Mines and mineral occurrences of the Boonoo...and mineral occurrences of the Boorook area. Map 5 - Geology, mines and mineral occurrences of the Wilsons...Downfall area. Map 6 - Geology, mines and mineral occurrences of the Mount Carrington area. Map 7 – Geology...framework for the more than 650 mineral deposits and occurrences which occur in the subject area. The basement |  | | Book | | Geological Outlook Genetic Types of Mineral Occurrences References 15 20 28 Mineralogical Regions Czech...mineral species, and their prime or significant occurrences, are given for each of the 1.000 mineral species...Budapest), for critical comments about mineral occurrences. TĂmea SzabĂł (Herman OttĂł Mu seum), for compilation...the Balkans to the South. They exhibit a very complex geological structure, displaying metamorphic, magmatic...epigenetic overprints. The most significant mineral occurrences in the West Carpathians include: iron sul phides |
|
