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Petrogenesis of skarn in Shizhuyuan W-polymetallic deposit, southern Hunan, China: Constraints from petrology, mineralogy and geochemistry
Yong-sheng CHENG
2016
发表期刊Transactions of Nonferrous Metals Society of China
卷号26期号:6页码:1676-1687
摘要

Skarn is the main altered rock type and is of great importance to mineralization and ore-prospecting in the Shizhuyuan area of Hunan province, China. Its features of petrography, mineralogy and geochemistry were studied systematically. The results show that the skarn mainly consists of garnet skarn, secondary wollastonite-garnet skarn, tremolite-clinozoisite skarn, and few wolframine garnet skarn, idocrase-garnet skarn and wollastonite skarn with granoblastic texture, granular sheet crystalloblastic texture, and massive structure, disseminated structure, mesh-vein structure, comb structure, and banded structure. And, it is mainly composed of garnet, fluorite, chlorite, hornblende, epidote, tremolite, plagioclase, biotite, muscovite, plagioclase, quartz, idocrase, and calcite and so on. The chemical components mainly include SiO2, Al2O3, Fe2O3, MgO and CaO, and the trace elements and REEs consist of Li, Be, V, Co, Zn, Ga, Rb, Sr, Y, Ce, Nd, Pb and Bi, etc. And, the obvious fractionation exists between LREE and HREE, and it shows typical features of Nanling ore-forming granite for W-Sn polymetallic deposit. Skarn is derived from the sedimentary rock, such as limestone, mudstone, argillaceous rock, and few pelitic strips. It is affected by both Shetianqiao formation strata and Qianlishan granite during the diagenesis, indicating a strong reduction environment. The occurrence of skarn, whose mutation site is favorable to the mineralization enrichment, is closely related to the mineralization and prospecting.

学科领域矿床地球化学
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/352002/6512
专题矿床地球化学国家重点实验室_矿床地球化学国家重点实验室_期刊论文
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GB/T 7714
Yong-sheng CHENG. Petrogenesis of skarn in Shizhuyuan W-polymetallic deposit, southern Hunan, China: Constraints from petrology, mineralogy and geochemistry[J]. Transactions of Nonferrous Metals Society of China,2016,26(6):1676-1687.
APA Yong-sheng CHENG.(2016).Petrogenesis of skarn in Shizhuyuan W-polymetallic deposit, southern Hunan, China: Constraints from petrology, mineralogy and geochemistry.Transactions of Nonferrous Metals Society of China,26(6),1676-1687.
MLA Yong-sheng CHENG."Petrogenesis of skarn in Shizhuyuan W-polymetallic deposit, southern Hunan, China: Constraints from petrology, mineralogy and geochemistry".Transactions of Nonferrous Metals Society of China 26.6(2016):1676-1687.
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