安第斯带斑岩型铜(金-钼)矿床时空分布特征

赵宏军; 邱瑞照; 陈秀法; 张潮

doi:10.12090/j.issn.1006-6616.2019.25.S1.023

安第斯带斑岩型铜(金-钼)矿床时空分布特征

doi: 10.12090/j.issn.1006-6616.2019.25.S1.023

中国地质调查局发展研究中心, 北京 100037

基金项目:

中国地质调查局地质调查项目 121201004000150009

中国地质调查局地质调查项目 1212011220912

中国地质调查局地质调查项目 DD20160118

国家国际科技合作专项 2011DFA22460

详细信息

作者简介:
赵宏军(1969-), 男, 教授级高工, 从事地质矿产普查找矿及成矿规律研究。E-mail:zhaohongjun2008@126.com

中图分类号: P618
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出版历程
- 刊出日期: 2019-05-01

THE TEMPORAL AND SPATIAL DISTRIBUTION OF PORPHYRY CU (AU-MO) DEPOSITS IN THE ANDES BELT

Development and Research Center of China Geological Survey, Beijing 100037, China

摘要

摘要: 南美安第斯带斑岩型铜（金-钼）矿床受板块持续俯冲作用影响，呈线性多条带状分布，以中安第斯段的矿床数量多、分布集中、矿床规模巨大为特征；成矿时代有晚古生代冈瓦纳造山旋回两期和中—新生代安第斯造山旋回4期，以始新世晚期—渐新世和中新世中期—上新世最为重要。
- 安第斯带 /
- 斑岩型铜(金-钼)矿床 /
- 时空分布 /
- 南美洲
Abstract: This article relies on the "Global Mineral Resources Information System" and related projects of the China Geological Survey. The spatial and temporal distribution characteristics of the porphyry Cu(Au-Mo) deposit in the Andean orogenic belt of South America is summarized: Influenced by the continuous subduction of the plate, the porphyry Cu(Au-Mo) deposit in the Andean belt is linear and multi-banded. It is characterized by a large number of deposits, concentrated distribution and large scale of deposits in the Central Andes section. At the age of mineralization, there were two periods of the Late Paleozoic Gondwana orogenic cycle and and four periods of the Mesozoic-Cenozoic Andean orogenic revolving cycle. The most important is the late Eocene-Oligocene and Miocene mid-Pliocene. It provides a reference for understanding the ore-forming geological characteristics and metallogenic regularity of porphyry deposits in the Andean belt.
- Andes belt /
- porphyry Cu(Au-Mo) deposit /
- temporal and spatial distribution /
- South America

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图 1 安第斯带斑岩铜(金-钼)矿床分布图

(底图来自参考文献[14])

Figure 1. Distribution map of porphyry copper (Au-Mo) deposits in the Andes belt

(Base map from reference[14])

下载: 全尺寸图片幻灯片

表 1 安第斯带各斑岩铜矿成矿期已发现的铜资源量

Table 1. Copper resources discovered during the ore-forming period of various porphyry copper deposits in the Andes belt

成矿时代		铜资源量(万吨)	占已发现资源量的比例
新生代	中新世—上新世	19490	32.9%
	渐新世—中新世	5110	8.6%
	始新世—渐新世	26900	45.4%
	古新世—始新世	6500	11.0%
中生代	早白垩世	155	0.3%
中生代	中晚侏罗世	900	1.5%
古生代	二叠纪	200	0.3%
合计		59255	100%
资料来源：USGS Open-File Report 2008-1253^[22]

下载: 导出CSV

参考文献(22)

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