| | Journal (article/letter/editorial) | Characteristics of the Kensu W-Mo Skarn and Mo-W-Cu-Au Alkalic Porphyry Deposit, Tien Shan, Kyrgyzstan* SERGUEI G...Cromwell Road, London SW7 5BD, UK Abstract The Kensu deposit is located within a large metallogenic belt...W-Moskarn of the oxidized type, with abundant andradite garnet, scapolite, K-Na feldspars, and Fe oxides...continental margin and intraplate rift settings. The Kensu deposit was one of the first mineral deposits in...It has been concluded, on this basis, that the Kensu deposit is unusual among tungsten deposits owing | | | Journal (article/letter/editorial) | oxidized WāCuāMo skarn and AuāW stockwork deposit in Kyrgyzstan, Tien Shan Serguei G. Soloviev Received: 18...prograde and retrograde skarns, with abundant andradite garnet, magnetite, and especially hematite, as...zones of intense quartzāK-feldspar (with minor andradite and hematite) veining. The skarns are cut by ...the formation of skarns and quartzāK-feldsparāandraditeāhematite veins under Editorial handling: R. Linnen...to the southwest of the western shore of the Issyk-Kulā Lake in the western sector of the Terskei-Alatoo | | | Journal (article/letter/editorial) | Au-dominant (with minor W, Bi, etc.) deposits in the region support their possible genetic links. Fluid inclusion...shoshonite-related oxidized Wā MoāCuāAu skarn deposits (e.g., Kensu, Kumbel, ChorukhDairon, Kashkasu; Soloviev 2011... 66Ā°E 44Ā°N KAZAKHSTAN SHAN TIEN NORTHERN Kensu AN ul ZST syk-K Bishkek RGY KY Is L ake ...isotropic pale-brown grossular-andradite variety (55ā60 mol% andradite, 35ā45 mol% grossular), with very...brownish-pink grossular-rich varieties (23ā27 mol% andradite, 65ā70 mol% grossular), occasionally with elevated | | | Journal (article/letter/editorial) | Hercynian orogeny in the Southern Tien Shan geological region, began in the junction zone between the Middle... Ulan, Irtash, MoloSarychat, Turuk-Dzholkolot, Kensu, Adyrtor, and other plutons). The ages of the individual...Kashkasu-Naryn, Kensu, etc.) are grouped in a narrow elongate belt, the Songkel'-Kensu metallogenic zone...mineralization are distinctly located in the Songkel'-Kensu zone, in the sectors where the "Nikolayev Line"...deposits [10,12]. The mineralization of the Songkel'-Kensu zone, depending on the conditions of localization | | Yang, Yu-Long, Ni, Pei, Pan, Jun-Yi, Zhe-Chi, , Ding, Jun-Ying, Wang, Qiang (2020) Episodic fluid evolution in the formation of the large scale Luoyang Fe deposit, Fujian, eastern China. Ore Geology Reviews, 120. 103412 doi:10.1016/j.oregeorev.2020.103412 | Journal (article/letter/editorial) | formation and ore deposition: Stage 1 (early skarn; andradite); Stage 2 (diopside + magnetite); Stage 3 (late...Indosinian, and Hercynian) magmatism occurred in the region within a NEāSW-trending area of > 2700 km2 in size...overlap and replacement: Stage 1 (early skarn; andradite); Stage 2 (diopside + magnetite); Stage 3 (late-skarn;...skarn-forming phase at Luoyang is dominated by andradite garnet (Fig. 4a), which is light brown in thin...grains (Fig. 4a). Units that crop out in the Luoyang mine include the Carboniferous Lindi and Chuanshan formations; | | | Journal (article/letter/editorial) | abundant scapolite, plagioclase, K-feldspar, andradite garnet, SC magnetite, as well as molybdoscheelite...Krivoschekov, 2011); similar suites found in the region are accompanied by other W-Mo-Cu-Au deposits (Kudrin...related to high-K and shoshonitic magmatism (e.g., Kensu, Chorukh-Dairon, Kumbel; Soloviev, 2011, 2015; Soloviev...east, in the Chinese Tien Shan (Xinjiang-Uygur region) (Mao et al., 2005). The Chorukh-Dairon deposit...i.e. across the major structural fabric of the region; its base is composed of the Upper Devonian to | | | Journal (article/letter/editorial) | shoshonite-related oxidized W-Mo-Cu-Au skarn deposits (e.g., Kensu, Kumbel, ChorukhDairon, Kashkasu; e.g., Soloviev...pale-brown to pale-green isotropic andradite-poor (14-26 mol.% andradite), grossular-rich variety, typically...veins. It contains 51-62 mol.% andradite (Table 4) (up to 73 mol.% andradite, after Zharikov and Vlasova...varieties (Fig. 7C), and contains 5-18 mol.% andradite and 8-21 mol.% spessartine+almandine (Table 4)...Tien Shan to the east (in the Kokshaal region) of the Gissar region, the latter hosting the Maikhura deposit | | | Journal (article/letter/editorial) | (at 0.1% WO3cut-off) (e.g.,Rabchevsky, 1988). The mine was closed after exhausting the higher-grade resources;...shoshonite-related oxidized W-Mo-Cu-Au skarn deposits (e.g.,Kensu, Kumbel, Chorukh-Dairon, Kashkasu; e.g.,Soloviev...ļ¬ne-grained isotropic palebrowngrossular-andradite variety (52ā58 mol% andradite, 38ā45 mol% grossular), with minor...pinkish-brown and grossular-rich (14ā20 mol% andradite, 75ā80 mol% grossular), with minor (b 2 mol%)...16.4 3.1 13.1 58.5 8.9 Alm = almandine, Adr = andradite, Grs = grossular, Prp = pyrope, Sps = spessartine | | | Journal (article/letter/editorial) | Au-Cu-Mo skarn deposit in the Middle Tien Shan, Kyrgyzstan Serguei G. Soloviev 1 & Sergey Kryazhev 2 & Svetlana...important features in Au and Cu metallogeny of the region and highlights the genetic links between Au-Cu...one of the largest Au-Cu skarn deposits in the region (Jenchuraeva 2001; Seltmann et al. 2009), and its...Seltmann et al. 2011; Goldfarb et al. 2014). In the Kyrgyzstan-Uzbekistan part of the belt, the 78Ā°E 74Ā°E ARAL...Daugyztau Kumbel Kuru-Tegerek Fig. 2 rc Muruntau Kensu N l STAIssyk-Keu GYZ Lak KYR ar Kokpatas Naryn | | | Journal (article/letter/editorial) | 19ā72.71Di21.01ā32.61Joh4.29ā6.56), grossular-andradite (type I) (Grs38.11ā94.41And0.27ā61.18Sps0.71ā4...the garnets varies dominantly from grossular to andradite in oscillatory zoning (Grs24.23ā 91.83And0.00ā72...Garnet compositions are in the range of grossular-andradite (Grs29.77ā89.93And0.03ā66.70Sps0.37ā 11.14Alm0...garnet compositions are between grossular and andradite with slightly varying almandine proportions (Table...(Table 4). Type I (early) garnet has grossular-andradite (Grs38.11ā94.41And0.27ā61.18Sps0.71ā4.75Alm0.00) | | | Journal (article/letter/editorial) | 2011). For example, at Kara, Tasmania, and Kensu, Kyrgyzstan, the early, relatively Mo-enriched scheelite...hydrothermal gold deposits in the KalgoorlieNorseman region, Western Australia. Economic Geology, 94(3): 423-437...comparison to corresponding granitoids in the Nanling region, South China, Chinese Academy of Geological Sciences...characteristics of the Kensu W-Mo skarn and Mo-W-Cu-Au alkalic porphyry deposit, Tien MA Shan, Kyrgyzstan. Economic...clinopyroxene rimmed by Fe-enriched clinopyroxene; andradite occurs in the pores of clinopyroxene, under crossed | | | Journal (article/letter/editorial) | Baoshan scheelite deposit, located in the Nanling region, South China, is a 25 skarn-type tungsten ore...lies in the southeastern part of the 75 Nanling region, which hosts the most abundant tungsten deposits...Detailed mapping has been 77 carried out in the region for many years by the Institute of Mineral Resources...Jiangxi Geological Survey. The 79 eastern Nanling region is best known for its abundant quartz-vein-type...out on the vein-type wolframite deposits of this region (e.g., 83 Chen et al., 2006; Feng et al., 2011; | | Xue, Liwei, Wang, Gongwen, Tang, Li, Cao, Yi, Du, Jingguo, Du, Yangsong, Luo, Liping, Cheng, Hongtao (2021) Genesis and hydrothermal evolution of the Zhazigou skarn W (Mo) deposit, East Qinling, China: Constraints from fluid inclusions and HāOāSāPb isotopes. Ore Geology Reviews, 138. 104374pp. doi:10.1016/j.oregeorev.2021.104374 | Journal (article/letter/editorial) | Ca2+ by altering calcium-rich minerals (e.g., andradite, diopside, hedenbergite, and plagioclase) into...Yechangping). The main lithostratigraphic units in the region are the Taihua Supergroup (basement), which comprises...subhedral crystals (Fig. 4AāB) and belonged to the andraditeāgrossularite solid-solution series (Xue et al...Fig. 8AāB). In skarn systems, the formation of andraditeāgrossular garnets requires temperĀ atures of 500...could develop among anhydrous skarn minerals (andradite, diopside, and hedenbergite). In the hydrous skarn | | Soloviev, Serguei G., Kryazhev, Sergey G., Dvurechenskaya, Svetlana S. (2017) Geology, mineralization, and fluid inclusion characteristics of the Lermontovskoe reduced-type tungsten (Ā±Cu, Au, Bi) skarn deposit, Sikhote-Alin, Russia. Ore Geology Reviews, 89. 15-39 doi:10.1016/j.oregeorev.2017.06.002 | Journal (article/letter/editorial) | Lermontovskoe deposit, situated in the Primorie region of the Russian Far East, contains significant W...reddish-brown garnet (grossular-andradite, with ~33-39 mol.% andradite; Table 4) may be developed between...brownish-red to red garnet contains 9-17 mol.% andradite and 21-28 mol.% spessartine+almandine (Table 4)...alteration (Lentz and Suzuki, 2000). The formation of andradite-grossular garnet (10-40 mol.% grossular) in skarns...experimental study of sulfidation reactions involving andradite and hedenbergite. Econ. Geol. 77:784-797. Gammons | | Zhou, Zhenhua, Mao, Jingwen, Che, Hewei, Ouyang, Hegen, Ma, Xinghua (2017) Metallogeny of the Handagai skarn FeāCu deposit, northern Great Xing'an Range, NE China: Constraints on fluid inclusions and skarn genesis. Ore Geology Reviews, 80. 623-644 doi:10.1016/j.oregeorev.2016.08.012 | Journal (article/letter/editorial) | MA is a calcic skarn that is dominated by an andraditeādiopsideāepidoteāactinolite assemblage. The mineralogy...the exploration for other skarn deposits in this region. SC R 2. Geological setting The GXR is located..., 2011). The Hercynian intrusive rocks in this region are granites, granodiorites, and quartz diorites...volcanic rocks in this area are exposed over a region of ca. 100,000 km2 in area and have a cumulative...prospective for MA future exploration. TE 3.1 Mine geology D 3. Ore deposit geology CE P The Handagai | | Song, Guoxue, Cook, Nigel J., Li, Guangming, Qin, Kezhang, Ciobanu, Cristiana L., Yang, Yueheng, Xu, Yingxia (2019) Scheelite geochemistry in porphyry-skarn W-Mo systems: A case study from the Gaojiabang Deposit, East China. Ore Geology Reviews, 113. 103084 doi:10.1016/j.oregeorev.2019.103084 | Journal (article/letter/editorial) | limestone. Prograde skarn is mostly composed of andradite and diopside (Fig. 4b). Retrograde assemblages...example, at Baoshan, Kara, Tasmania, and Kensu, Kyrgyzstan, early, relatively Mo-enriched scheelite formed...have low pyroxene/garnet ratios, Fe+3bearing andradite and -diopside compositions and contain early Mo-rich...hydrothermal gold deposits in the Kalgoorlie-Norseman region, Western Australia. Economic Geology, 94, 423-437...hydrothermal scheelite from the Mount Charlotte mine, Kalgoorlie, Western Australia: an isotopic link | | | Book (edition) | resources of 200,000 oz. gold both at Kanowna Belle Gold Mine, Australia, and at the Jabal Shayban Gold Project...and epithermal gold deposits of the circum-Paciļ¬c region. Deposits with approximate tonnes of contained...Australia, at the main development level of the mine. The position of the Whenan Shaft is shown. Note...porphyry and epithermal deposits in the circum-Paciļ¬c region, emphasizes the association of many of these giant...epithermal gold-rich deposits in the circum-Paciļ¬c region, and attributes this association to the partial | | | Book | the setting and origin of major deposits in the region, together with information on tonnages and grades...comparisons and contrasts with MVT deposits in the region. The last part is focused on sediment-hosted iron...Tunisia, and Comparisons with MVT Deposits in the Region . . . . . . . . . . 497 Sophie DecrĆ©e, Christian...geology and mineral resources. Geologically, the region contains numerous terranes that contain rocks ranging...other elements. Major deposit types present in the region are (1) orthomagmatic Cr-Ni-platinum group elements |
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