 | Veselovský, František, Ackerman, Lukáš, Pašava, Jan, Žák, Karel, Haluzová, Eva, Creaser, Robert A., Dobeš, Petr, Erban, Vojtěch, Tásler, Radko (2018) Multiphase formation of the Obří důl polymetallic skarn deposit, West Sudetes, Bohemian Massif: geochemistry and Re–Os dating of sulfide mineralization. Mineralium Deposita, 53 (5) 665-682 doi:10.1007/s00126-017-0766-0 | Journal (article/letter/editorial) | | Multiphase formation of the Obří důl polymetallic skarn deposit, West Sudetes, Bohemian Massif: geochemistry...Abstract The Obří důl Fe–Cu–As polymetallic sulfide skarn deposit is developed in a metamorphic series in...ackerman@gli.cas.cz 1 Czech Geological Survey, Geologická 6, 152 00 Praha 5, Czech Republic 2 Institute of...Geology of the Czech Academy of Sciences, Rozvojová 269, 165 00 Praha 6, Czech Republic 3 Department...4 Czech Speleological Society, ZO 5-02, Albeřice, Stará Alej 462, 542 24 Svoboda nad Úpou, Czech Republic |  | | Journal (article/letter/editorial) | | Devonian limestones. Only three of these, the hedenbergite, pyrrhotite and arsenopyrite skarns, are sulphide-bearing...Paleozoic series. Sulphur isotopic composition of skarn sulphides is variable: pyrrhotite from pyrrhotite...~ + 10%o) and of galena and sphalerite from hedenbergite skarns (~34S ~ + 7%0) correlate with the higher...wall-rock metasediments (~34S ~ + 12%o) during skarn formation or by assimilation of country rock by...related to the amount of crustal fluid involved in skarn formation. Zusammenfassung Lagerst&tenbildende |  | | Journal (article/letter/editorial) | | Physiochemical Evolution of the Los Santos Scheelite Skarn, Salamanca, NW Spain SUSANA MARIA TIMÓN SÁNCHEZ...Salamanca, Spain Abstract The Los Santos scheelite skarn deposit, located in the province of Salamanca, northwest...mineralized skarn distributed close to the intrusions occurred in two main stages: (I) prograde skarn, and (II)...stage I skarn. The prograde exoskarn is made up of a thick, almost monomineral mass of hedenbergite (Hd82-87)...clinopyroxene developed over aplitic granite. The stage I skarn formed from H2O-rich fluids (XCO2 <0.1) with an |  | | Journal (article/letter/editorial) | | and lead isotopic characterization of Au-bearing skarn related to the Andorra granite (central Pyrenees...and the associated skarn at 305 + 3 M a by U - P b dating titanite from the endo-skarn. The sulfur isotopic...isotopic composition from sulfides in the skarn (Cardellach et al. 1992) shows a significant variation with...lead isotope data indicate that the lead in the skarn is dominantly derived from the granite, whereas...locally associated with subeconomic gold-bearing skarn deposits (Soler et al. 1990; Soler and Ayora 1991) |  | | Journal (article/letter/editorial) | | Accepted Manuscript Calcic Skarn Ore Deposits of the North-East Russia Nikolay A. Goryachev, Vladimir... Shpikerman, S.E. Church, V.I. Gvozdev, Calcic Skarn Ore Deposits of the North-East Russia, Ore Geology...disclaimers that apply to the journal pertain. CALCIC SKARN ORE DEPOSITS OF THE NORTH-EAST RUSSIA Nikolay A...this paper, we summarize characteristics of calcic skarn ore deposits in Northeast Asia. The study area includes...and collisional granite magmatism, and contains a skarn deposits of various types, mostly of sub-economic |  | | Journal (article/letter/editorial) | | No. 1, pp. 67–82. The Nikolaevsky Base-Metal Skarn Deposit, Primorye, Russia L. I. Rogulinaa and O...structural relationships at the Nikolaevsky base-metal skarn deposit allowed us to establish the succession of...Pb–Zn mineralization at the lower levels of the skarn orebodies with Ag–Pb–Zn mineralization at the upper...types of ores have been identified: sulfide–hedenbergite, quartz–carbonate–sulfide, and sulfide. The...monomineralic galena and sphalerite samples taken from skarn showed that an intimate Pb Bi assemblage is characteristic |  | | Journal (article/letter/editorial) | | DEPOSITA 9 Springer-Verlag 1990 Gold-bearing hedenbergite skarns from the SW contact of the Andorra granite...August 1, 1990 Abstract. Several varieties of skarn outcrop have been found to develop along the contact...associated with sulphides. The sulphides in the skarn include arsenopyrite and pyrrhotite with lesser...in temperature and/or oxygen fugacity. Although skarn lithologies are not an important source of gold...1980). On the other hand, reduced skarns with hedenbergite and sulphides as the dominant minerals have |  | | Journal (article/letter/editorial) | | in the Moldanubian Zone, Czech Republic; examples from the Vlastějovice region Milan Novák*, Tomáš Kadlec...Masaryk University, Kotlářská 2, 611 37 Brno, Czech Republic; mnovak@sci.muni.cz * Corresponding author...biotite) were distinguished in the Vlastějovice region, Moldanubian Zone: a) tourmaline-bearing pegmatites...Amp + Kfs + fluorite + allanite) hosted by the Fe-skarn, and c) tourmaline-bearing pegmatites cutting paragneisses...Kfs + Pl + Bt + Ms + Ab + Tur + Grt) and the Fe-skarn (Qz + Kfs + Pl + Bt + Tur ± Ab, Amp, Grt, elbaite) |  | | Journal (article/letter/editorial) | | (prograde/retrograde) evolution. Oxygen fugacity during skarn formation was buffered close to the NNO oxygen buffer...studied here. Key-words: ilvaite, phase equilibria, skarn, Maladeta batholith, thermodynamic properties, contact...contact metamorphism. 1. Introduction Skarn deposits provide with direct insights into ore formation...the existence of several dozens of reduced, hedenbergite-type tungsten-bearing skarns (cf. Einaudi et...et al., 1981) and, at least, one As-Aubearing skarn (Delgado, 1993). Their sizes range from a few meters |  | Mueller, A. G., Lawrance, L. M., Muhling, J., Pooley, G. D. (2012) Mineralogy and PTX Relationships of the Archean Hannan South Au-Cu (Co-Bi) Deposit, Kalgoorlie, Western Australia: Thermodynamic Constraints on the Formation of a Zoned Intrusion-Related Skarn. Economic Geology, 107 (1) 1-24 doi:10.2113/econgeo.107.1.1 | Journal (article/letter/editorial) | | Constraints on the Formation of a Zoned Intrusion-Related Skarn ANDREAS G. MUELLER,1,† LOUISA M. LAWRANCE,2 JANET...6009, Australia Abstract The Hannan South Au-Cu skarn deposit is located 12 km southeast of Kalgoorlie...porphyry: an Au-Cu skarn in the southeast (30 vol % calcite) and an Au-Co-Bi skarn in the northwest (5−10...remnants of a single eroded body. Regional and skarn pressure estimates of 400 ± 150 MPa indicate formation...proximal SE skarn (0.5 wt % Cu, 0.35 g/t Au, 6 g/t Ag), and to 417° ± 32°C in the more distal NW skarn (<0.1 |  | | Report (volume) | | references. Supt. of Docs. no.: I 19.3: 1930 1. Skarn. 2. Gold ores. I. Theodore, Ted. G. II. Series....cited 23 Bibliography of additional gold-bearing skarn references 32 FIGURES 1. 2. 3. 4. 5. 6. 7. 8. 9...Au-bearing skarn deposits 2 Graphs showing distributions of gold grade for Au-bearing skarn deposits 3...gold skarn classification schemes based on metal ratios 4 Schematic cross sections of Au-skarn deposits...north-central Nevada 8 Map showing distribution of Au-skarn districts and geological provinces in the cordillera |  | | Report (issue) | | place or the mine followed by the name of the district, ' Pref.' standing for ' Prefecture' and ' Isl...No. II-357-No. II-362 No. II-363-No. II-396 Bismuthinite Tellurobismutite Ikunolite Sylvanite* Pyrite...Vesuvianite Beryl Cordierite Elbaite Schorl Diopside Hedenbergite Aegirine-Augite Common augite Bronzite Actinolite...Iridosmine Tomarinaigawa River, Hokkaido Yubari District, Hokkaido Arsenic Akatani Mine, Fukui Pref. Bismuth...Ushio Deposit, Okuchi Mine, Kagoshima Pref. Bismuthinite Nakanosawa Mine, Niigata Pref. Tsubakihara Mine |  | | Book | | EXPLORATION DEVELOPMENTS IN ECONOMIC GEOLOGY, 24 W-Sn skarn deposits and related metamorphic skarns and granitoids...Cataloging-in-Publication Data Kwak, T e u n i s A . P . W-Sn skarn deposits and related metamorphic skarns and granitoids...geology ; 24) Bibliography: p. Includes indexes. 1. Skarn. 2. Granite. 3. Rocks, Metamorphic. 4. Tungsten...PREFACE This book is concerned with the study of skarn deposits having anomalously high tin or tungsten...true of "distal" or far-from-contact replacement (skarn) deposits, where base metal and silver contents |  | Cheng, Yanbo, Mao, Jingwen, Rusk, Brian, Yang, Zongxi (2012) Geology and genesis of Kafang Cu–Sn deposit, Gejiu district, SW China. Ore Geology Reviews, 48. 180-196 doi:10.1016/j.oregeorev.2012.03.004 | Journal (article/letter/editorial) | | Geology and genesis of Kafang Cu–Sn deposit, Gejiu district, SW China Yanbo Cheng a, b, Jingwen Mao a, c,⁎...March 2012 Available online 23 March 2012 Keywords: Skarn type Basalt-hosted Carbonate-hosted Stratiform Cu–Sn...deposits in the world-class Gejiu polymetallic tin district, SW China. There are three main mineralization...mineralization types in the Kafang deposit, i.e., skarn Cu–Sn ores, stratiform Cu ores hosted by basalt and stratiform...stratiform Cu–Sn ores hosted by carbonate. The skarn mainly consists of garnet and pyroxene, and retrograde |  | Tornos, F., Galindo, C., Crespo, J. L., Spiro, B. F. (2008) GEOCHEMISTRY AND ORIGIN OF CALCIC TUNGSTEN-BEARING SKARNS, LOS SANTOS, CENTRAL IBERIAN ZONE, SPAIN. The Canadian Mineralogist, 46 (1) 87-109 doi:10.3749/canmin.46.1.87 | Journal (article/letter/editorial) | | Abstract The mesozonal, calcic and reduced Los Santos skarn, in the Central Iberian Zone, is a low-tonnage,...of the garnet and clinopyroxene in the prograde skarn are indicative of d18Ofluid compositions near 9...of clinoamphibole and biotite of the retrograde skarn suggest equivalent d18Ofluid values (9.1–12.0‰)...waters, even during the formation of the retrograde skarn. The Sr and Nd radiogenic isotope data for the scheelite...Nd300Ma between –9.4 and –8.5), garnet–pyroxene skarn (87Sr/86Sr in the range 0.7119–0.7128; Nd300Ma |  | | Book | | "Broadly regarded, the depth ta which a metalliferous region has been eroded affects its present characteristics...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...Ag,Au and small quantities of U. There are small skarn orebodies, stockwork Mo occurrence, and the great...BALKHASH (PRIBALKHASH) REGION, KAZAKHSTAN, U.S.S.R. This is an outstanding region of Permo-Carboniferous...interpreted as marking the cores of stratovolcanoes. The region is densely mineralized and contains the principal |  | | Journal (article/letter/editorial) | | Birnessite Bischofite Bismite Bismuth native Bismuthinite Bixbyite Blödite Boehmite Boracite Bornite Boulangerite...Hausmannite Hauyne Hawleyite Heazlewoodite Hectorite Hedenbergite Hematite Hemihedrite Hemimorphite Hercynite...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro...two years. The economic potential of a particular region or mining camp can be deduced from the economic | | | Journal (article/letter/editorial) | | Birnessite Bischofite Bismite Bismuth native Bismuthinite Bixbyite Blödite Boehmite Boracite Bornite Boulangerite...Hausmannite Hauyne Hawleyite Heazlewoodite Hectorite Hedenbergite Hematite Hemihedrite Hemimorphite Hercynite...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro...two years. The economic potential of a particular region or mining camp can be deduced from the economic |  | | Conference Proceedings (Volume) | | Borisova, Valentina S.Karpukhina & Vladimir B.Naumov Skarn deposits – 138 years after Törnebohm ................................... 1531 A brief history of skarn ..................................................distribution and its relation to different types of skarn alteration at the Tapuli deposit, northern Sweden...1.89 Ga contact metasomatic iron skarn deposit in the cradle of skarn, Bergslagen, Sweden ..............Geology and genesis of granites and polymetallic skarn ores at Pitkäranta, Ladoga Karelia, Russia ... |  | Nokleberg, Warren J., Bundtzen, Thomas K., Dawson, Kenneth M., Eremin, Roman A., Goryachev, Nikolai A., Koch, Richard D., Ratkin, Vladimir V., Rozenblum, Ilya S., Shpikerman, Vladimir I., Frolov, Yuri F., Gorodinsky, Mary E., Melnikov, Vladimir D., Ognyanov, Nikolai V., Petrachenko, Eugene D., Pozdeev, Anany I., Ross, Katherina V., Wood, Douglas H., Grybeck, Donald, Khanchuk, Alexander I., Kovbas, Lidiya I., Nekrasov, Ivan Ya., Sidorov, Anatoly A. (1996) Significant metalliferous and selected non-metalliferous lode deposits and placer districts for the Russian Far East, Alaska, and the Canadian Cordillera. Open-File Report Vol. 1996 (96-513) US Geological Survey doi:10.3133/ofr96513a | Report (issue) | | deposits and 158 significant placer districts of the region. This version of the report is issued on standard...Format) formats, and the mineral-deposit and placer district tables in dBase 3/4, FileMaker Pro 2.0, and tab-delineated...Petropavlovsk-Kamchatsky 8-Geological Committee of Amur Region, Blagoveshchensk 9-U.S. Geological Survey, Anchorage...Petropavlovsk-Kamchatsky; 8Geological Committee of Amur Region, Blagoveshchensk; 9-U.S. Geological Survey, Anchorage...deposits and 158 significant placer districts of the region. The tabular data are provided in Table I for significant |  | | Book | | "Broadly regarded, the depth to which a metalliferous region has been eroded affects its present characteristics...Batholith near Arequipa, Toquepala-Cerro Verde district; in the centre, Morococha and in the north, Michiquillay)...Ag,Au and small quantities of U. There are small skarn orebodies, stockwork Mo occurrence, and the great...BALKHASH (PRIBALKHASH) REGION, KAZAKHSTAN, U.S.S.R. This is an outstanding region of Permo-Carboniferous...interpreted as marking the cores of stratovolcanoes. The region is densely mineralized and contains the principal |  | | Book | | clarify information regarding minerals from this region. The list, in alphabetical order, generally uses...Agate Agate Agate Agate Agate Agate Karamazar district Bektau-ata Prutov's Topaz Kop Vishnevye Mts. Il'menskie...South Urals Vishnevye Mts., South Urals Baikal region Slyudyanka, S. Pribaikalia, Russia Buryatia Tashkent...Kazakhstan Far East Far East Georgia Georgia Golutvin district, Moscow (on Oka River) Kamchatka Kamchatka,Russia...Berezovskoye deposit Berezovsk deposit Adrasman Karamazar district Berezovskii deposit Kuranakh Kuranakh River Kerch |  | | Book | | Department, University of Sana'a, Sana'a, Yemen, Republic of Arab Yo hinori Fujiki: National Institute for.... .. . . . . . . . . . .... . ... . . . 201 8. Skarn Formation . . . . . . . . . . . . . . . . . . ....of actinol ite type. Kitak a111i plateau: This region is com posed of m a i n ly Carbo n i ferous-Triassic...o n on this m i neral is de cribed a bove. The skarn and gangue m i nera l s in the deposit a re garnet...i and Ashio M assives, n o rthern Fossa M agna Region and southwestern part of Toyama Prefect u re ; |  | | Book | | Metallogenic Mechanism of the Galinge Polymetallic Iron Skarn Deposit, Qiman Tagh Mountains, Qinghai Province...Metallogenic Mechanism of the Galinge Polymetallic Iron Skarn Deposit, Qiman Tagh Mountains, Qinghai Province...polymetallic iron skarn deposit, which has been mined since 2016, is the only large-scale iron skarn deposit with...lead–zinc ore. As a representative iron polymetallic skarn deposit, research on the Galinge deposit provides...thermodynamic model for the formation of iron polymetallic skarn deposits. With this fundamental understanding, Dr |  | | Book | | of important ore districts and deposits in the region. These are the major deposits of fluorine (Voznesenka)...nom ic R egion (FEER ), it includes the Sakha Republic (Y akutiya), Prim orye, Khabarovsk, Am ur, Kam...responsible for the diversity o f the g eo lo g y o f the region. The central structural unit in the territory is...resulted in a diversity o f m agm atic rocks in the region, m ostly in volcano-plutonic belts. To the southeast...the Kuril Islands. The m agm atic rocks o f the region w hich formed at different tim es and in different |
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