Siderophile and chalcophile elemental constraints on the origin of the Jinchuan Ni-Cu-(PGE) sulfide deposit, NW China

Keays, RR
Xiao, JF
Ihlenfeld, C
Qi, L
Zhou, MF
Song, XY

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Publication date

January 2009

DOI

10.1016/j.gca.2008.10.029

Publisher

Elsevier BV

ISSN

0016-7037

Journal

Geochimica et Cosmochimica Acta

Citation count (estimate)

Abstract

The Jinchuan deposit, NW China, is one of the world's most important Ni-Cu-(PGE) sulfide deposits related to a magma conduit system and is hosted in an ultramafic intrusion. The intrusion is composed of lherzolite and dunite with the two largest sulfide ore bodies (named as ore body 1 and 2) in its middle portion. The sulfide ores may be disseminated, net-textured, or massive. The disseminated and net-textured sulfide ores are characterized by variable but generally low PGE concentrations: 10-3200 ppb Pt, 240-9800 ppb Pd, 17-800 ppb Ir, 25-1500 ppb Ru, and 15-400 ppb Rh in 100% sulfides. The massive sulfide ores are extremely low in Pt (<30 ppb) on a 100% sulfides and have very high Cu/Pd ratios, ranging from 10 4 to 4.5 × 10 5. The low PGE...

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Siderophile and chalcophile elemental constraints on the origin of the Jinchuan Ni-Cu-(PGE) sulfide deposit, NW China

Abstract

Extracted data

Siderophile and chalcophile elemental constraints on the origin of the Jinchuan Ni-Cu-(PGE) sulfide deposit, NW China

Abstract

Extracted data

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