湖南钴矿床时空分布特征及成矿规律  

Temporal and spatial distribution characteristics and metallogenic regularity of cobalt deposits in Hunan

作　　者：阳镇东 黄宝亮[1] 颜志强[1] 李荫中 周岳强 YANG Zhen-dong;HUANG Bao-liang;YAN Zhi-qiang;LI Yin-zhong;ZHOU Yue-qiang(Geological Prospecting Party of Hunan Province,Hunan Changsha 410029)

机构地区：[1]湖南省地质矿产勘查开发局四○二队,湖南长沙410029

出　　处：《世界有色金属》2022年第12期91-94,共4页World Nonferrous Metals

基　　金：湖南省科技创新计划项目(编号:2021RC4055)的资助。

摘　　要：钴在国民生产活动的多种领域中发挥着巨大作用,在国内外一直被视为稀缺资源。湖南省目前已圈定的钴资源量为9492.3吨,表现出较大的开发潜力,但钴矿研究程度总体偏低。本文总结了湖南省钴矿床(点)形成时代、空间分布及地球化学特征,探讨了区域成矿区带的划分。结果表明,湖南省内已发现的钴矿床(点)主要形成于中元古代、志留纪以及白垩纪,大量分布在下扬子古陆块之江南古岛弧,总体呈一个等轴状高值区和两个北东向高值区带分布。本文将扬子钴成矿亚省划分为3个成矿带5个成矿区,旨在为湖南省钴矿的进一步找矿勘查提供第一手资料。Cobalt plays a great role in many fields of national production activities and has been regarded as a scarce resource at home and abroad.At present,the amount of cobalt resources delineated in Hunan Province is 9492.3 tons,showing great development potential,but the research degree of cobalt ore is generally low.This paper summarizes the formation age,spatial distribution and geochemical characteristics of cobalt deposits(points)in Hunan Province,and discusses the division of regional metallogenic zones.The results show that the discovered cobalt deposits(points)in Hunan Province are mainly formed in the Mesoproterozoic,Silurian and Cretaceous,and are widely distributed in the Jiangnan ancient island arc of the lower Yangtze ancient landmass.They are generally distributed in an equiaxial high value area and two northeast high value areas.This paper divides the Yangtze cobalt metallogenic sub province into three metallogenic belts and five metallogenic areas in order to provide first-hand data for further prospecting and exploration of cobalt deposits in Hunan Province.

关 键 词：钴矿 地球化学特征 资源特征 江南古岛弧 

分 类 号：P612[天文地球—矿床学]