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REE Characteristics of the Kalatongke Cu‐Ni Deposit, Xinjiang, China

REE Characteristics of the Kalatongke Cu‐Ni Deposit, Xinjiang, China Abstract On the basis of the study on the REE geochemistry of the ore minerals and host rocks of the Kalatongke Cu‐Ni deposit, Xinjiang, it is indicated that the major ore minerals, sulfides, were sourced from the host mafic‐ultramafic magma. Characterized by low REE content of sulfide, such a Cu‐Ni sulfide deposit occurring in the orogen is obviously different from that on the margin of the craton. Because the mafic‐ultramafic rocks from the Cu‐Ni sulfide deposit occurring in the orogen is water‐rich and the REEs of some sulfides show a particular “multiple‐bending” pattern, which suggests coexistence of multiple liquid phases (fluid and melt), the sulfide melt possibly contains a great deal of hydrothermal fluids and increasingly developed gases and liquid‐rich ore‐forming fluids after the main metallogenic epoch (magmatic segregation stage). http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta Geologica Sinica (English Edition) Wiley

REE Characteristics of the Kalatongke Cu‐Ni Deposit, Xinjiang, China

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References (28)

Publisher
Wiley
Copyright
2004 Geological Society of China
ISSN
1000-9515
eISSN
1755-6724
DOI
10.1111/j.1755-6724.2004.tb00146.x
Publisher site
See Article on Publisher Site

Abstract

Abstract On the basis of the study on the REE geochemistry of the ore minerals and host rocks of the Kalatongke Cu‐Ni deposit, Xinjiang, it is indicated that the major ore minerals, sulfides, were sourced from the host mafic‐ultramafic magma. Characterized by low REE content of sulfide, such a Cu‐Ni sulfide deposit occurring in the orogen is obviously different from that on the margin of the craton. Because the mafic‐ultramafic rocks from the Cu‐Ni sulfide deposit occurring in the orogen is water‐rich and the REEs of some sulfides show a particular “multiple‐bending” pattern, which suggests coexistence of multiple liquid phases (fluid and melt), the sulfide melt possibly contains a great deal of hydrothermal fluids and increasingly developed gases and liquid‐rich ore‐forming fluids after the main metallogenic epoch (magmatic segregation stage).

Journal

Acta Geologica Sinica (English Edition)Wiley

Published: Apr 1, 2004

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