 | Vielreicher, Richard M., Vielreicher, Noreen M., Hagemann, Steffen G., Jones, Greg (2003) Fault zone evolution and its controls on ore-grade distribution at the Jian Cha Ling gold deposit, western Qinling region, central China. Mineralium Deposita, 38 (5) 538-554 doi:10.1007/s00126-002-0333-0 | Journal (article/letter/editorial) | | distribution at the Jian Cha Ling gold deposit, western Qinling region, central China Received: 23 March 2001 /...Springer-Verlag 2003 Abstract The Jian Cha Ling gold deposit is sited in folded and faulted Palaeoproterozoic...province, along the northern margin of the South China craton. Early Mesozoic gold mineralization at Jian...and clay minerals. The structural setting of the deposit, combined with published data on the geological...province, suggest that the Jian Cha Ling gold deposit developed in an uplifted basement block during |  | Munteanu, Marian, Marincea, Stefan, Kasper, Haino Uwe, Zak, Karel, Alexe, Veronica, Trandafir, Vasile, Saptefrati, George, Mihalache, Angela (2004) Black chert-hosted manganese deposits from the Bistritei Mountains, Eastern Carpathians (Romania): petrography, genesis and metamorphic evolution. Ore Geology Reviews, 24 (1) 45-65 doi:10.1016/j.oregeorev.2003.08.004 | Journal (article/letter/editorial) | | carbonate ā silicate orebodies (Fe-rhodochrosite, Mn-amphibole, spessartine, stilpnomelane, rhodonite...bottom water of a back-arc basin and precipitated as Mn carbonate and oxide. The metamorphism of ECMD is...by the extensive replacement of silicate phases by Mn carbonate and, locally, by iron sulfide, as a result...2003 Elsevier B.V. All rights reserved. Keywords: Mn deposits; Black shale; Rare-earth elements; C and...genetic relation between them. The ready change of the Mn oxidation state and solubility at slight pH ā Eh |  | MONGELLI, GIOVANNI, CRITELLI, SALVATORE, DINELLI, ENRICO, PATERNOSTER, MICHELE, PERRI, FRANCESCO (2010) Mn- and Fe-carbonate rich layers in Meso-Cenozoic shales as proxies of environmental conditions: A case study from the southern Apennine, Italy. GEOCHEMICAL JOURNAL, 44 (3) 211-223 doi:10.2343/geochemj.1.0064 | Journal (article/letter/editorial) | | Geochemical Journal, Vol. 44, pp. 211 to 223, 2010 Mnā and Feācarbonate rich layers in MesoāCenozoic shales...(Received April 23, 2009; Accepted September 28, 2009) Mn-rich layers and interbedded shales from a well exposed...to reveal the factors controlling their formation. Mn-rich layers are composed of micas/clay minerals,...chlorite and quartz whereas shales are formed by micas, clay minerals, chlorite, quartz, and feldspars...feldspars. The MnO abundances in the Mn-rich layers, which are depleted relatively to the UCC in SiO2, TiO2 |  | | Journal (article/letter/editorial) | | Keywords: Braunite Piemontite Mn ore Mineralizing ļ¬uid Southern Apennines A massive Mn-bearing mineralization...principal mineral phases: braunite, quartz, Mn oxi-hydroxides and Mn-rich epidote (piemontite). Petrographic...at the expense of āprimaryā amorphous Mn oxi-hydroxides and quartz. During metamorphism, piemontite also...phyllosilicates are present in addition to braunite and quartz, suggesting that the aluminosilicates were source...important geochemical features of the ore are high Mn contents (up to 71.6 wt% of MnO), low concentrations |  | Wang, Da, Sun, Xiang, Zheng, Youye, Wu, Song, Xia, Shenlan, Chang, Huifang, Yu, Miao (2017) Two pulses of mineralization and genesis of the Zhaxikang SbāPbāZnāAg deposit in southern Tibet: Constraints from FeāZn isotopes. Ore Geology Reviews, 84. 347-363 doi:10.1016/j.oregeorev.2016.12.030 | Journal (article/letter/editorial) | | mineralization and genesis of the Zhaxikang SbāPbāZnāAg deposit in southern Tibet: Constraints from FeāZn isotopes...mineralization and genesis of the Zhaxikang SbāPbāZnāAg deposit in southern Tibet: Constraints from FeāZn isotopes...mineralization and genesis of the Zhaxikang SbāPbāZnāAg deposit in southern Tibet: Constraints from FeāZn isotopes...and Mineral Resources, China University of Geosciences, Beijing 100083, China 2 State Key Laboratory...and Mineral Resources, China University of Geosciences, Wuhan, 430074, China 3 Beijing Institute of |  | | Journal (article/letter/editorial) | | rock-hosted deposits can also be identified: those with Mn derived via upwelling from oxygen-minimum zones and...additional strong peak in the Oligocene. Therefore, Mn is not controlled entirely by the level of oxygen...oxygen in the Earthās atmosphere. At each peak of Mn deposition, the associated ore deposits are concentrated...There is a conspicuous gap in sedimentary rock-hosted Mn deposits between 1800 and 800 Ma that may correspond...but one without sulfidic deep water. Alternatively, Mn may have been precipitated entirely in the deep ocean |
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