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陕西区域成矿规律及其与重大成矿地质事件之关系
Received:November 27, 2019  Revised:December 17, 2019  点此下载全文
Cite This Paper:LI Weicheng,DONG Chen,DONG Wangcang,ZHOU Xiaokang,CHEN Yawei,ZHU Xueli.2020.A discussion on the relationship between regional metallogenic regularity and metallogenic geological events in Shaanxi Province[J].Acta Geologica Sinica,94(1):65-83
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Author NameAffiliationE-mail
LI Weicheng 1) Shaanxi Institute of Geological Survey, Xi’an, 710054
2) Shaanxi Mineral Resources and Geological Survey, Xi’an, 710068 
316695416@qq.com 
DONG Chen 3) College of Geology and Environment, Xi’anUniversity of Science and Technology, Xi’an, 710054  
DONG Wangcang 1) Shaanxi Institute of Geological Survey, Xi’an, 710054
2) Shaanxi Mineral Resources and Geological Survey, Xi’an, 710068 
466760180@qq.com 
ZHOU Xiaokang 2) Shaanxi Mineral Resources and Geological Survey, Xi’an, 710068  
CHEN Yawei 4) Xi’an Institute Geological and Mineral Exploration coLTD,Xi’an, 710100  
ZHU Xueli 2) Shaanxi Mineral Resources and Geological Survey, Xi’an, 710068  
基金项目:本文为中国地质调查局中国矿产地质志项目(编号DD20160346、DD20190379)和中国矿产地质志·陕西卷(编号12120114058301)资助成果。
中文摘要:陕西横跨三大地质构造单元,曾历经前板块构造、板块构造和陆内造山等三大构造 成矿演化阶段、8个构造 成矿期和8次重大成矿地质事件,形成能源、金属、非金属和水气等四大类135种矿产2000余处矿产地。本文在建立涵盖陕西固体及非固体矿产矿床类型划分方案的基础上,总结了矿产时、空分布规律:时间上具有明显的阶段性,由早到晚分出8个构造 成矿期;空间上具有明显的丛聚性,由北到南划出12个矿集区。矿集区与地质历史时期的重大成矿地质事件密切相关,根据二者的时空关系,划分出单一型、耦合型、叠加型和复合型4种类型矿集区。矿集区的矿产种类、规模大小,一般与其所发生的成矿地质事件的性质和频次有关。叠加型矿集区比单一型矿集区更具找矿潜力。
中文关键词:矿床类型  矿产时空分布  成矿地质事件  矿集区
 
A discussion on the relationship between regional metallogenic regularity and metallogenic geological events in Shaanxi Province
Abstract:Spanning three geological tectonic units, Shanxi Province has experienced three tectonic evolution stages, including proplate tectonic, plate tectonic and intracontinental orogeny, eight tectonic cycles, and eight major metallogenic geological events, that led to the formation of more than 2,000 mineral deposits, 135 kinds of minerals, four categories of resources that include energy, metal, nonmetal and water vapor. Based on the classification scheme of solid and non solid mineral deposits in Shanxi, this paper summarizes the spatiotemporal distribution of mineral deposits. It concludes that temporally the mineral resources can be divided into 8 distinct early to late metallogenic stages. Spatially, Shaanxi can be divided into 12 ore rich areas from north to south that are closely related to the major metallogenic events in the geological history. Based on spatiotemporal relationships, the ore deposits are divided into four types: single type, coupling type, superposition type and compound type. The types and sizes of mineral resources in the ore rich areas are generally related to the nature and frequency of metallogenic geological events. The superposed ore deposits have higher prospecting potential than the single ore deposits. This study offormation mechanism and distribution of ore rich areas has significant implications for guiding future geological prospecting.
keywords:ore deposit type  spatiotemporal distribution of mineral resources  metallogenic geological events  ore concentration area
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