秘鲁南部斑岩铜矿典型蚀变带矿物信息提取及找矿远景区圈定

吴小娟; 肖晨超; 杨日红; 李志忠; 崔振营

doi:10.3799/dqkx.2015.161

Volume 40 Issue 11

Nov. 2015

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Wu Xiaojuan, Xiao Chenchao, Yang Rihong, Li Zhizhong, Cui Zhenying, 2015. Information Extraction of Typical Alteration Zone of Porphyry Copper Deposit and Delineation of Prospective Areas in Southern Peru. Earth Science, 40(11): 1802-1809. doi: 10.3799/dqkx.2015.161

Citation:

Wu Xiaojuan, Xiao Chenchao, Yang Rihong, Li Zhizhong, Cui Zhenying, 2015. Information Extraction of Typical Alteration Zone of Porphyry Copper Deposit and Delineation of Prospective Areas in Southern Peru. Earth Science, 40(11): 1802-1809. doi: 10.3799/dqkx.2015.161

Citation:

Wu Xiaojuan, Xiao Chenchao, Yang Rihong, Li Zhizhong, Cui Zhenying, 2015. Information Extraction of Typical Alteration Zone of Porphyry Copper Deposit and Delineation of Prospective Areas in Southern Peru. Earth Science, 40(11): 1802-1809. doi: 10.3799/dqkx.2015.161

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Information Extraction of Typical Alteration Zone of Porphyry Copper Deposit and Delineation of Prospective Areas in Southern Peru

doi: 10.3799/dqkx.2015.161

1.
School of Remote Sensing and Information Engineering, Wuhan University, Wuhan 430027, China
2.
China Aero Geophysical Survey & Remote Sensing Center for Land and Resources, China Geological Survey, Beijing 100083, China
3.
Oil and Gas Resources Survey Center, China Geological Survey, Beijing 100029, China
4.
School of Geosciences and Info-Physics, Central South University, Changsha 410083, China

Received Date: 2015-04-07
Publish Date: 2015-11-15

Abstract

Abstract

Every porphyry copper deposit has different geological structure, metallogenic epoch and ore controlling factors. Therefore, it is necessary to carry out geological investigation to obtain the information of the iconic alteration mineral assemblage to extract the alteration information by using remote sensing technology and determine prospective areas. A comprehensive analysis of geological characteristics and ore controlling factors of porphyry copper deposit in southern Peru is carried out in this study. The combined information of argillic- and phyllic-alteration and propylitic alteration is established as the ore prospecting indicator and the technology of alteration information extraction is explored with ASTER data. Combined with existing mining geological data, hyperspectral image and field survey results, alteration extraction results are confirmed as reliable and effective and the other two prospective areas are delineated. The multi-spectral remote sensing prospecting model is constructed and its application proves successful in other porphyry copper districts such as Chile, Argentina.
- southern Peru,
- porphyry copper deposit,
- typical alteration zone,
- mineral information extraction,
- delineation of prospective area,
- ore geology.

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References(45)

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Information Extraction of Typical Alteration Zone of Porphyry Copper Deposit and Delineation of Prospective Areas in Southern Peru

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