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Geochemical characteristics of magnetites from the Lala IOCG deposit of Huili Sichuan, China, and their genetic research
Author(s) -
LIU Xiaowen,
ZHENG Kai,
LI Zeqin
Publication year - 2017
Publication title -
acta geologica sinica ‐ english edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.444
H-Index - 61
eISSN - 1755-6724
pISSN - 1000-9515
DOI - 10.1111/1755-6724.13247
Subject(s) - iron oxide copper gold ore deposits , china , geology , geochemistry , magnetite , mining engineering , geography , paleontology , archaeology , fluid inclusions , quartz
Huili Lala IOCG deposit is located in the southwest margin of the Yangtze block and the centre area of west-Sichuan and Yunnan province. It is an important Fe-Cu-Mo-Au-REE polymetallic deposit in southwest China. This deposit has also been considered as a typical iron oxide-copper-gold (IOCG) deposit (Li et al., 2012), and which is exposed in the mining area consists of metamorphosed volcano sedimentary rocks of the Proterozoic estuarine community Dang group, the strata mainly consists of biotite schist, marble, crystal (magnetite + quartz) albite gneiss and albite breccia. Magnetite is one of the major ore minerals in this deposit, and it is also the main carrier of Fe.