Abstract
The Sichuan-Yunnan-Guizhou Pb-Zn metallogenic province (SYGMP) is an important region for Pb-Zn resources in China. However, considerable controversy remains as to whether the Pb-Zn deposits are Mississippi Valley Type (MVT). The Maozu deposit, a typical example of the carbonate-hosted Pb-Zn deposits in the SYGMP, occurs in the late Ediacaran Dengying Formation and its ore bodies are divided into three types: lower layer (LL), vein layer (VL), and upper layer (UL) ore bodies based on their spatial relationship. In this study, laser ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS) was used to systematically analyze the trace-element compositions of sphalerite and galena in these three ore bodies. The results show that sphalerite is characterized by Cd and Ge enrichment; Fe, Mn, and Co depletion; and local In and Sn enrichment. Most of these elements likely appear as solid solutions in sphalerite and show a wide compositional variation, which is probably related to the medium- and low-temperature mixing of the ore-forming fluids. The local enrichment of In and Sn is likely attributed to the long-distance migration of ore-forming fluids through In-Sn-bearing volcaniclastic rocks. In vs. Sn and (Cu + Sb) vs. (Ag + Ge) show strong correlations and similar element distribution in the mapped images, indicating that these elements may be incorporated into sphalerite via a coupled substitution for Zn as 2In3+ + Sn4+ + 2◻ ↔ 5Zn2+ (◻ = vacancies) and 4(Cu+ + Sb3+) + (Ge4+ + 2Ag+) + 2◻ ↔ 13Zn2+. Galena is enriched in Ag and Sb with minor Cd and Se and depleted in Bi, and most of the elements may occur as solid solutions. Ag vs. Sb in galena displays a strong positive correlation, implying the coupled substitution of Ag+ + Sb3+ ↔ 2Pb2+. Notably, the majority of the trace-element concentrations gradually decrease in the order LL → UL except Fe, Co, Cu, and Ge, while Fe, In, and Sn in sphalerite and Ag and Sb in galena have the highest concentration in the VL, indicating that the VL is a secondary migration channel for the ore-forming fluids. Furthermore, the trace-element compositions of the sulfides in the Maozu Pb-Zn deposit are consistent with the typical MVT deposit (hosted in the carbonate sequence) but are markedly different from sedimentary exhalative (SEDEX), volcanogenic massive sulfide (VMS) and skarn-type deposits. Based on these results, as well as the geological and geochemical characteristics of the deposit, the Maozu Pb-Zn deposit is an MVT deposit.
Acknowledgments and Funding
We thank Ivan Belousov, Paul Olin, and Sarah Gilbert (CODES, University of Tasmania) for their assistance in LA-ICP-MS analysis. Associate Editor Daniel Gregory, and two anonymous reviewers are thanked for their constructive comments and suggestions. This research was jointly supported by the National Natural Science Foundation of China (Grant No. 41673056, 41430315), the National Key R&D Program of China (No. 2017YFC0602502), and the National “973 Project” (No. 2014CB440906).
References cited
Alfantazi, A.M., and Moskalyk, R.R. (2003) Processing of indium: A review. Minerals Engineering, 16, 687–694.10.1016/S0892-6875(03)00168-7Search in Google Scholar
Belissont, R., Boiron, M.C., Luais, B., and Cathelineau, M. (2014) LA-ICP-MS analyses of minor and trace elements and bulk Ge isotopes in zoned Ge-rich sphalerites from the Noailhac–Saint-Salvy deposit (France): Insights into incorporation mechanisms and ore deposition processes. Geochimica et Cosmochimica Acta, 126, 518–540.10.1016/j.gca.2013.10.052Search in Google Scholar
Bernstein, L.R. (1985) Germanium geochemistry and mineralogy. Geochimica et Cosmochimica Acta, 49(11), 2409–2422.10.1016/0016-7037(85)90241-8Search in Google Scholar
Bernstein, L.R. (1986) Geology and mineralogy of the APEX germanium–gallium mine, Washington County, Utah. U.S.Geological Survey Bulletin 1577, 1–9.Search in Google Scholar
Bonnet, J., Mosser, R.R., Caumon, M.C., Rouer, O., Andre, M.A.S., Cauzid, J., and Peiffert, C. (2016) Trace element distribution (Cu, Ga, Ge, Cd, and Fe) in sphalerite from the Tennessee Mvt deposits, U. S.A., by combined EMPA, LA-ICP-MS, Raman spectroscopy, and crystallography. Canadian Mineralogist, 54(5), 1261–1284.Search in Google Scholar
Cao, H.W., Zhang, S.T., Zheng, L., Liu, R.P., Tian, H.H., Zhang, X.H., and Li, J.J. (2014) Geochemical characteristics of trace element of sphalerite in the Zhongyuku (Pb)-Zn deposit of the Luanchuan, Southwest of China. Mineral and Petrology, 34(3), 50–59 (in Chinese with English abstract).Search in Google Scholar
Chen, Q.L. (2002) Metallogenetic geological features and ore guides of high-grade Pb-Zn deposits in Yuhucun formation, northeast Yunnan. Geology Prospecting, 38(1), 22–26 (in Chinese with English abstract).Search in Google Scholar
Chutas, N.I., Kress, V.C., Ghiorso, M.S., and Sack, R.O. (2008) A solution model for high temperature PbS-AgSbS2-AgBiS2 galena. American Mineralogist, 93, 1630–1640.10.2138/am.2008.2695Search in Google Scholar
Cook, N.J., Ciobanu, C.L., Pring, A., Skinner, W., Shimizu, M., Danyushevsky, L., Saini-Eidukat, B., and Melcher, F. (2009) Trace and minor elements in sphalerite: A LA-ICPMS study. Geochimica et Cosmochimica Acta, 73, 4761–4791.10.1016/j.gca.2009.05.045Search in Google Scholar
Cook, N.J., Ciobanu, C.L., Brugger, J., Etschmann, B., Howard, D.L., De Jonge, M.D., Ryan, C., and Paterson, D. (2012) Determination of the oxidation state of Cu in substituted CuIn-Fe-bearing sphalerite via l-XANES spectroscopy. American Mineralogist, 97, 476–479.10.2138/am.2012.4042Search in Google Scholar
Cook, N.J., Etschmann, B., Ciobanu, C.L., Geraki, K., Howard, D.L., Williams, T., Rae, N., Pring, A., Chen, G.R., Johannessen, B., and Brugger, J. (2015) Distribution and substitution mechanism of Ge in a Ge-(Fe)-bearing sphalerite. Minerals, 5(2), 117–132.10.3390/min5020117Search in Google Scholar
Danyushevsky, L., Robinson, P., McGoldrick, P., Large, R., and Gilbert, S. (2003) LA-ICPMS of sulphides: evaluation of an XRF glass disc standard for analysis of different sulphide matrixes. Geochimica et Cosmochimica Acta, 67(18), A73.Search in Google Scholar
Danyushevsky, L., Robinson, P., Gilbert, S., Norman, M., Large, R., McGoldrick, P., and Shelley, M. (2011) Routine quantitative multi-element analysis of sulphide minerals by laser ablation ICP-MS: Standard development and consideration of matrix effects. Geochemistry Exploration Environment Analysis, 11(1), 51–60.10.1144/1467-7873/09-244Search in Google Scholar
Frenzel, M., Hirsch, T., and Gutzmer, J. (2016) Gallium, germanium, indium, and other trace and minor elements in sphalerite as a function of deposit type—A meta-analysis. Ore Geology Reviews, 76(9), 52–78.10.1016/j.oregeorev.2015.12.017Search in Google Scholar
Gao, H.X., Ren, X.H., Guo, J., Li, F.R., and Li, X. (2011) Geological-geophysical characteristics and orebody prediction of Maozu lead-zinc deposit. Mineral Resources and Geology, 25(2), 152–157 (in Chinese with English abstract).Search in Google Scholar
Garven, G. (1985) The role of regional fluid flow in the genesis of the PinePoint deposit, western Canada sedimentary basin. Economic Geology, 80, 307–324.10.2113/gsecongeo.80.2.307Search in Google Scholar
Garven, G., and Raffensperger, J.P. (1997) Hydrology and geochemistry of ore genesis in sedimentary basins. In H.L. Barnes, Ed., Geochemistry of Hydrothermal Ore Deposits, 3rd ed., 125–189. Wiley.Search in Google Scholar
George, L., Cook, N.J., Ciobanu, C.L., and Wade, B.P. (2015) Trace and minor elements in galena: A reconnaissance LA-ICP-MS study. American Mineralogist, 100(2–3), 548–569.10.2138/am-2015-4862Search in Google Scholar
George, L., Cook, N. J., and Ciobanu, C.L. (2016) Partitioning of trace elements in co-crystallized sphalerite–galena–chalcopyrite hydrothermal ores. Ore Geology Reviews, 77, 97–116.10.1016/j.oregeorev.2016.02.009Search in Google Scholar
Gregory, D., Meffre, S., and Large, R. (2014) Comparison of metal enrichment in pyrite framboids from a metal-enriched and metal-poor estuary. American Mineralogist, 99, 633–644.10.2138/am.2014.4545Search in Google Scholar
Gregory, D.D., Large, R.R., Halpin, J.A., Baturina, E.L., Lyons, T.W., Wu, S., Danyushevsky, L., Sack, P.J., Chappaz, A., Maslennikov, V.V., and Bull, S.W. (2015) Trace element content of sedimentary pyrite in black shales. Economic Geology, 110, 1389–1410.10.2113/econgeo.110.6.1389Search in Google Scholar
Han, R.S., Liu, C.Q., Huang, Z.L., Chen, J., Ma, D.Y., Lei, L., and Ma, G.S. (2007) Geological features and origin of the Huize carbonate-hosted Zn-Pb-(Ag) District, Yunnan, South China. Ore Geology Reviews, 31, 360–383.10.1016/j.oregeorev.2006.03.003Search in Google Scholar
He, S.H., Rong, H.H., Shang, W., and Su, J.H. (2006) Geological characteristics and genesis of Maozu lead and zinc deposit, Yunnan. Mineral Resource Geology, 4–5, 397–402 (in Chinese with English abstract).Search in Google Scholar
Höll, R., Kling, M., and Schroll, E. (2007) Metallogenesis of germanium—A review. Ore Geology Reviews, 30, 145–180.10.1016/j.oregeorev.2005.07.034Search in Google Scholar
Hu, R.Z., and Zhou, M.F. (2012) Multiple Mesozoic mineralization events in South China—An introduction to the thematic issue. Mineralium Deposita, 47, 579–588.10.1007/s00126-012-0431-6Search in Google Scholar
Huang, Z.L., Chen, J., Han, R.S., Li, W.B., Liu, C.Q., Zhang, Z.L., Ma, D.Y., Gao, D.R., and Yang, H.L. (2004) The ore geochemistry and its ore genesis of Huize super large scale Pb-Zn deposit-discussion on the relationship between Pb-Zn mineralization and Emeishan basalt, Beijing. Geology Publishing Company Press, 1–187 (in Chinese).Search in Google Scholar
Jeppsson, M.L. (1989) Mineral chemistry of silver in antimony and bismuth rich sulphide ore in Bergslagen, central Sweden. Neues Jahrbuch für Mineralogie Monatshefte, 205–216.Search in Google Scholar
Johan, Z. (1988) Indium and germanium in the structure of sphalerite: An example of coupled substitution with Copper. Mineralogy and Petrology, 39(3–4), 211–229.10.1007/BF01163036Search in Google Scholar
Kelley, K.D., Leach, D.L., Johnson, C.A., Clark, J.L., Fayek, M., Slack, J.F., Anderson, V.M., Ayuso, R.A., and Ridley, W.I. (2004) Textural, compositional, and sulfur isotope variations of sulfide minerals in the Red Dog Zn-Pb-Ag Deposits, Brooks Range, Alaska. Implications for Ore Formation. Economic Geology, 99(7), 1509–1532.10.2113/gsecongeo.99.7.1509Search in Google Scholar
Leach, D.L. (1993) Mississippi Valley-type lead-zinc deposits. Geological Association of Canada Special Paper, 40(3), 108–117.10.3133/ofr20091213Search in Google Scholar
Leach, D.L., and Taylor, R.D. (2009) Mississippi Valley-type lead-zinc deposit model: U.S. Geological Survey Open-File Report, 1213, 5p.10.3133/ofr20091213Search in Google Scholar
Leach, D.L., Sangster, D.F., Kelley, K.D., Large, R.R., Garven, G., Allen, C.R., Gutzmer, J., and Walters, S. (2005) Sediment-hosted lead-zinc deposits: A global perspective. Economic Geology 100th Anniversary Volume, 100, 561–607.Search in Google Scholar
Leach, D.L., Macquar, J.C., Lagneau, V., Leventhal, J., Emsbo, P., and Premo, W. (2006) Precipitation of lead-zinc ores in the Mississippi Valley type deposit at Trèves, Cévennes region of southern France. Geofluids, 6, 24–44.10.1111/j.1468-8123.2006.00126.xSearch in Google Scholar
Li, Z.L. (2016) Geological geochemical characteristics and prospecting directions in the Fule lead-zinc deposit, Yunnan Province. Master thesis, Guiyang: Institute of Geochemistry, Chinese Academy of Sciences, 1–75 (in Chinese with English abstract).Search in Google Scholar
Li, Z.L., Ye, L., Hu, Y.S., and Huang, Z.L. (2018a) Geological significance of nickeliferous minerals in the Fule Pb–Zn deposit, Yunnan Province, China. Acta Geochimica, 37(5), 684–690.10.1007/s11631-018-0269-4Search in Google Scholar
Li, Z.L., Ye, L., Huang, Z.L., Nian, H.L., and Zhou, J.X. (2016) The primary researching on the trace elements in spheralite in the Tianqiao Pb-Zn Deposit, Northwestern Guizhou. ACTA Mineralogica Sinica, 36(2),183–188 (in Chinese with English abstract).Search in Google Scholar
Li, Z.L., Ye, L., Huang, Z.L., Zhou, J.X., Hu, Y.S., and Nian, H.L. (2018b) Mineralogical characteristics and geological significance of Copper minerals in Fule Pb-Zn deposit, Yunnan Province, China. Geological Journal of China Universities, 24(2), 200–209 (in Chinese with English abstract).Search in Google Scholar
Liu, W.Z. (2009) Geological and geochemical characteristics and metallogenic mechanism analysis of the Pb–Zn deposit in Maozu, Yunnan, China. Journal of Chengdu University of Technology, 36, 480–486 (in Chinese with English abstract).Search in Google Scholar
Liu, H.C., and Lin, W.D. (1999) Study on the law of Pb-Zn-Ag ore deposit in northeast Yunnan, China. Yunnan University Press, Kunming, 1–468 (in Chinese).Search in Google Scholar
Liu, H.T., and Zhang, Y.X. (2013) Study on leakage anomalies techniques of geochemical prospecting—Giving an example of Maozu Pb-Zn mining district, Qiaojia, Yunnan. Mineral Resources and Geology, 27(5), 403–408 (in Chinese with English abstract).Search in Google Scholar
Lueth, V.W., Megaw, P.K.M., Pingitore, N.E., and Goodell, P.C. (2000) Systematic variation in galena solid-solution compositions at Santa Eulalia, Chihuahua, Mexico. Economic Geology, 95, 1673–1687.10.2113/95.8.1673Search in Google Scholar
Mladenova, V., and Valchev, S. (1998) Ga/Ge ratio in sphalerite from the carbonate-hosted Sedmochislenitsi Deposit as a temperature indication of initial fluids. Review of the Bulgarian Geological Society, 59(2–3), 49–54.Search in Google Scholar
Mo, X.Y., Chen, T.Y., He, L.T., Jiang, S.D., Zhang, Y.C., and Yang, C. (2013) The Kunyang group in Dongchuan, Yunnan, China. Kunming: Yunnan Science and Technology Press, 1–168 (in Chinese).Search in Google Scholar
Möller, P. (1987) Correlation of homogenization temperatures of accessory minerals from sphalerite-bearing deposits and Ga/Ge model temperatures. Chemical Geology, 61, 153–159.10.1016/0009-2541(87)90035-0Search in Google Scholar
Moskalyk, R.R. (2003) Gallium: The backbone of the electronics industry. Minerals Engineering, 16, 921–929.10.1016/j.mineng.2003.08.003Search in Google Scholar
Oftedahl, I. (1940) Untersuchungen über die Nebenbestandteile von Erzmineralien norwegischer zinkblendführender Vorkommen. Skrift. Norsk Vidensk. Akad. Oslo, Mathematik-Naturvidenskab Kl, 8, 1–103.Search in Google Scholar
Renock, D., and Becker, U. (2011) A first principles study of coupled substitution in galena. Ore Geology Reviews, 42, 71–83.10.1016/j.oregeorev.2011.04.001Search in Google Scholar
Sangster, D.F. (1996) Mississippi Valley-type lead-zinc, Geology of Canadian Mineral Deposit Types: Geological Survey of Canada. Geology of Canada, (8), 253–261.Search in Google Scholar
Tu, G.C. (1984) Geochemistry of Strata-bound Ore Deposits in China (Volumes I). Science Press, Beijing, 13–69 (in Chinese with English abstract).Search in Google Scholar
Van Hook, H.J. (1960) The ternary system Ag2S-Bi2S3-PbS. Economic Geology, 55, 759–788.10.2113/gsecongeo.55.4.759Search in Google Scholar
Watling, R.J., Herbert, H.K., Barrow, I.S., and Thomas, A.G. (1995) Analysis of diamonds and indicator minerals for diamond exploration by laser ablation/inductively coupled plasma mass spectrometry. Analyst, 120(5), 1357–1364.10.1039/AN9952001357Search in Google Scholar
Wei, A., Xue, C., Xiang, K., Li, J., Liao, C., and Akhter, Q.J. (2015) The ore-forming process of the Maoping Pb–Zn deposit, Northeastern Yunnan, China: Constraints from cathodoluminescence (CL) petrography of hydrothermal dolomite. Ore Geology Reviews, 70, 562–577.10.1016/j.oregeorev.2015.02.007Search in Google Scholar
Wei, C., Huang, Z.L., Yan, Z.F., Hu, Y.S., and Ye, L. (2018a) Trace element contents in sphalerite from the Nayongzhi Zn-Pb Deposit, Northwestern Guizhou, China. Minerals, 8(11), 490–512.10.3390/min8110490Search in Google Scholar
Wei, C., Ye, L., Huang, Z.L., Gao, W., Hu, Y.S., Li, Z.L., and Zhang, J.W. (2018b) Ore genesis and geodynamic setting of Laochang Ag-Pb-Zn-Cu Deposit, Southern Sanjiang Tethys Metallogenic Belt, China: Constraints from whole rock geochemistry, trace elements in sphalerite, zircon U-Pb dating and Pb isotopes. Minerals, 8(11), 516–544.10.3390/min8110516Search in Google Scholar
Wei, C., Ye, L., Hu, Y.S., Danyushevskiy, L., Li, Z.L., and Huang, Z.L. (2019) A distribution and occurrence of Ge and related trace elements in sphalerite from the Lehong carbonate-hosted Zn-Pb deposit, northeastern Yunnan, China: Insights from SEM and LA-ICP-MS studies. Ore Geology Reviews. https://doi.org/10.1016/j.oregeorev.2019.103175.10.1016/j.oregeorev.2019.103175Search in Google Scholar
Wu, Y. (2013) The age and ore-forming process of MVT deposits in the boundary area of Sichuan-Yunnan-Guizhou provinces, Southwest China. Ph.D. thesis, China University of Geosciences, Beijing, 1–167 (in Chinese with English abstract).Search in Google Scholar
Xie, J.R. (1963) Introuduction of the Chinese Ore Deposit. Academic books and periodicals publishing house, Beijing, 1–71 (in Chinese).Search in Google Scholar
Yang, Q., Zhang, J., Wang, J., Zhong, W.B., and Liu W.H. (2017) Study of ore-forming fluid geochemistry of Maozu large-scale lead-zinc deposit in northeast Yunnan. Mineral Resources and Geology, 31(5), 854–863 (in Chinese with English abstract).Search in Google Scholar
Ye, L., Cook, N.J., Ciobanu, C.L., Liu, Y.P., Zhang, Q., Liu, T.G., Gao, W., Yang, Y.L., and Danyushevskiy, L. (2011) Trace and minor elements in sphalerite from base metal deposits in South China: A LA-ICPMS study. Ore Geology Reviews, 39, 188–217.10.1016/j.oregeorev.2011.03.001Search in Google Scholar
Ye, L., Gao, W., Yang, Y.L., Liu, T.G., and Peng, S.S. (2012) Trace elements in sphalerite in Laochang Pb-Zn polymetallic deposit, Lancang, Yunnan Province. Acta Petrologica Sinica, 28(5), 1362–1372 (in Chinese with English abstract).Search in Google Scholar
Ye, L., Li, Z.L., Hu, Y.S., Huang, Z.L., Zhou, J.X., Fan, H.F., and Danyushevsky, L. (2016) Trace elements in sulfide from the Tianbaoshan Pb-Zn deposit, Sichuan Province, China: A LA-ICPMS study. Acta Petrologica Sinica, 32(11), 3377–3393 (in Chinese with English abstract).Search in Google Scholar
Yuan, B., Zhang, C.Q., Yu, H.J., Yang, Y.M., Zhao, Y.X., Zhu, C.C., Ding, Q.F., Zhou, Y.B., Yang, J.C., and Xu, Y. (2018) Element enrichment characteristics: insights from element geochemistry of sphalerite in Daliangzi Pb-Zn deposit, Sichuan, Southwest China. Journal of Geochemical Exploration, 186, 187–201.10.1016/j.gexplo.2017.12.014Search in Google Scholar
Zhang, C.Q. (2008) The genetic model of Mississippi Valley-type deposits in the boundary area of Sichuan, Yunnan and Guizhou province, China. Ph. D. Dissertation. Beijing, China University of Geosciences, 1–167 (in Chinese with English abstract).Search in Google Scholar
Zhang, C.Q., Mao, J.W., Wu, S.P., Liu, F., Guo, B.J., and Gao, D.R. (2005) Distribution, characteristics and genesis of Mississippi Valley Type lead-zinc deposits in Sichuan-Yunnan-Guizhou area. Mineral Deposits, 24(3), 336–348 (in Chinese with English abstract).Search in Google Scholar
Zhang, C.Q., Wu, Y., Hou, L., and Mao, J.W. (2015) Geodynamic setting of miner alization of Mississippi Valley-type deposits in world-class Sichuan-Yunnan-Guizhou Zn-Pb triangle, southwest China: Implications from age-dating studies in the past decade and the Sm-Nd age of Jinshachang deposit. Journal of Asian Earth Sciences, 103, 103–114.10.1016/j.jseaes.2014.08.013Search in Google Scholar
Zhang, Q. (1987) Trace elements in galena and sphalerite and their geochemical significance in distinguishing the genetic types of Pb-Zn ore deposits. Chinese Journal of Geochemistry, 6, 177–190.10.1007/BF02872218Search in Google Scholar
Zhang, R.W. (2013) Geochemical characteristics and genetic type of the Maozu Pb-Zn deposit in Yunnan province, China. Kunming University of Science and Technology, 1–82 (in Chinese with English abstract).Search in Google Scholar
Zhang, W.J. (1984) The sedimentary genesis and metallogenic rules of Pb-Zn deposits in northeast Yunnan province. Geology and Exploration, 7, 11–16 (in Chinese).Search in Google Scholar
Zhang, Z.B., Li, C.Y., Tu, G.C., Xia, B., and Wei, Z.Q. (2006) Geotectonic evolution background and ore-forming process of Pb-Zn deposits in Chuan-Dian-Qian area of Southwest China. Geotectonica et Metallogenia, 30(3), 343–354 (in Chinese with English abstract).Search in Google Scholar
Zhou, J.X., Huang, Z.L., and Yan, Z.F. (2013) The origin of the Maozu carbonate-hosted Pb-Zn deposit, southwest China: Constrained by C-O-S-Pb isotopic compositions and Sm-Nd isotopic age. Journal of Asian Earth Sciences, 73, 39–47.10.1016/j.jseaes.2013.04.031Search in Google Scholar
Zhou, J.X., Luo, K., Wang, X.C., Wilde, S.A., Wu, T., Huang, Z.L., Cui, Y.L., and Zhao, J.X. (2018a) Ore genesis of the Fule Pb Zn deposit and its relationship with the Emeishan Large Igneous Province: Evidence from mineralogy, bulk C-O-S and in situ S-Pb isotopes. Gondwana Research, 54, 161–179.10.1016/j.gr.2017.11.004Search in Google Scholar
Zhou, J.X., Xiang, Z.Z., Zhou, M.F., Feng, Y.X., Luo, K., Huang, Z.L., and Wu, T. (2018b) The giant Upper Yangtze Pb-Zn province in SW China: Reviews, new advances and a new genetic model. Journal of Asian Earth Sciences, 154, 280–315.10.1016/j.jseaes.2017.12.032Search in Google Scholar
Zhu, C.W., Wen, H.J., Zhang, Y.X., Fu, S.H., Fan, H.F., and Cloquet, C. (2016) Cadmium isotope fractionation in the Fule Mississippi Valley-type deposit, Southwest China. Mineralium Deposita, 52, 675–686.10.1007/s00126-016-0691-7Search in Google Scholar
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