地球学报2026，Vol.47Issue(2)：249-256,8.DOI:10.3975/cagsb.2025.071711
藏北锑矿带美多献纳西低硫化型浅成低温热液锑-金银矿的发现及其地质意义
Discovery and Geological Implications of the Meiduoxiannaxi Low-sulfidation Epithermal Sb-Au-Ag Mineralization Occurrence in the Zangbei Sb Metallogenic Belt
摘要
Abstract
The Zangbei Sb metallogenic belt is one of the most important antimony metallogenic belts in China.Traditionally,Sb deposits developed in this metallogenic belt were believed to be controlled by faults and anticline,and are single Sb deposits without other metal associations.The Meiduoxiannaxi Sb-Au-Ag mineralization occurrence represents the first Au-bearing Sb mineralization identified in the Zangbei Sb metallogenic belt.In this paper,the types of hydrothermal alteration,characteristics of mineralization,and gangue and metal mineral associations were studied.The Meiduoxiannaxi Sb-Au-Ag mineralization has been preliminarily constrained to be the typical low-sulfidation epithermal Sb-Au-Ag mineralization.Our viewpoint is significantly different from those previous perspectives.Based on the new understanding of the genetic type of the Meiduoxiannaxi mineralization occurrence,combined with the result from induced polarization profile depth measurements,it is believed that this mining area still has good potential in search for Sb orebodies.In particular,future prospecting and exploration should focus on Au-Ag precious and Zn-Pb base metal orebodies.The discovery of the Meiduoxiannaxi low-sulfidation epithermal Sb-Au-Ag mineralization occurrence will play an important role in further investigating the genesis of Sb deposits in the Zangbei Sb metallogenic belt.It will have positive impacts on enriching the metallogenic series of mineral deposits,improving the regional metallogenic regularity,and expanding the regional prospecting direction in the Zangbei Sb metallogenic belt.In summary,the discovery of the Meiduoxiannaxi Sb-Au-Ag mineralization occurrence has significant regional metallogenic and prospecting significance.关键词
锑-金银矿/低硫化型浅成低温热液成矿/找矿潜力/美多献纳西/藏北锑矿带Key words
Sb-Au-Ag mineralization/low-sulfidation epithermal mineralization/prospecting potential/Meiduoxiannaxi/Zangbei Sb metallogenic belt分类
天文与地球科学引用本文复制引用
王立强,洪晨瑜,何亮,扎西平错,周敖日格勒,李保亮,孙杨,何逸飞,王勇,刘海明,何云龙,李阳..藏北锑矿带美多献纳西低硫化型浅成低温热液锑-金银矿的发现及其地质意义[J].地球学报,2026,47(2):249-256,8.基金项目
本文由中国地质调查局地质调查项目(编号:DD20230203408 （）
DD202402042)和中国地质科学院基本科研业务费专项(编号:KK2306)联合资助. This study was supported by China Geological Survey(Nos.DD20230203408 and DD202402042),and Chinese Academy of Geological Sciences(No.KK2306). （编号:KK2306）
