The genesis of the Hashitu porphyry molybdenum deposit, Inner Mongolia, NE China: constraints from mineralogical, fluid inclusion, and multiple isotope (H, O, S, Mo, Pb) studies | Zendy

Degao Zhai | Zendy; Jiajun Liu | Zendy; Stylianos Tombros | Zendy; Anthony E. WilliamsJones | Zendy

Open Access

The genesis of the Hashitu porphyry molybdenum deposit, Inner Mongolia, NE China: constraints from mineralogical, fluid inclusion, and multiple isotope (H, O, S, Mo, Pb) studies

Author(s) -

Degao Zhai,

Jiajun Liu,

Stylianos Tombros,

Anthony E. WilliamsJones

Publication year - 2017

Publication title -

mineralium deposita

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.51

H-Index - 89

eISSN - 1432-1866

pISSN - 0026-4598

DOI - 10.1007/s00126-017-0745-5

Subject(s) - molybdenite , geology , fluid inclusions , geochemistry , hydrothermal circulation , quartz , molybdenum , inclusion (mineral) , ore genesis , magmatism , epidote , meteoric water , mineralogy , metallurgy , materials science , paleontology , seismology , chlorite , tectonics

The Hashitu porphyry molybdenum deposit is located in the Great Hinggan Range Cu-Mo-Pb-Zn-Ag polymetallic metallogenic province of NE China, in which the Mo-bearing quartz veins are hosted in approximately coeval granites and porphyries. The deposit contains more than 100 Mt of ore with an average grade of 0.13 wt.% Mo. This well-preserved magmatic-hydrothermal system provides an excellent opportunity to determine the source of the molybdenum, the evolution of the hydrothermal fluids and the controls on molybdenite precipitation in a potentially important but poorly understood metallogenic province. [...] Molybdenite deposition is interpreted to have occurred from a low-density magmatic-hydrothermal fluid in response to decreases in temperature, pressure, and fO2

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