EMPA research on nickel and molybdenum minerals at Huangjiawan, Guizhou, China

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Marco E. Ciriotti
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EMPA research on nickel and molybdenum minerals at Huangjiawan, Guizhou, China

Messaggio da Marco E. Ciriotti » ven 08 feb, 2019 10:01

Referenza:
▪ Chang, B. & Wen, H. (2018): EMPA research on nickel and molybdenum minerals in Ni-Mo sulfide layer of the lower Cambrian Black Rock series at Huangjiawan, Zunyi, Guizhou Province. Acta Mineralogica Sinica, 2008, 595.

Abstract:
In this study, several minerals such as pyrite, vaesite, gersdorffite, Fe-bearing gersdorffite, violarite and heazlewoodite; and a C-Mo-smixed-layer phase(MoSC) have been detected from the Ni-Mo ores at Huangjiawan, Zunyi, Guizhou Province, on the basis of electron microprobe analyses. Ni occurs mainly in Ni-minerals mentioned above. Mo occurs as MoSC. Se is distributed almost in the whole Ni-Mo sulfide layer with higher contents in the Ni-Mo-rich strata of the Lower Cambrian Niutitang Formation. The present study indicates that the origin of Ni-Mo sulfide layer is related to sea-floor hydrothermal exhalation and biological accumulation.
Marco E. Ciriotti

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