中国特大型金属矿床成矿偏在性与成矿构造聚敛(场) |
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引用本文:.1999.Metallogenic Proferentiality and Metallotect convergence of Unique Ore Deposits in China[J].Mineral Deposits,18(1):37~46 |
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基金项目:国家自然科学基金 (49572097)和地质矿产部“八五”基础研究项目(9501118) |
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中文摘要:中国特大型金属矿床成矿偏在性主要表现为对矿种、矿床类型、成矿时间和成矿背景的特殊选择,而且主要取决于地质、地球化学和地球物理多种成矿控制因素非常罕见的耦合汇聚,称之为异常成矿构造聚敛场。据国内主要特大型矿床的研究,随地质历史演化初步可划分:太古宙-古元古代同剪切异常成矿构造聚敛场、元古宙-古生代同一体异常成矿构造聚敛场、中生代“行”、“列”、“汇”构造-岩浆异常成矿构造聚敛场、新生代多阶湖汇流异常成矿构造聚敛场。 |
中文关键词:特大型矿床 成矿偏在性 异常成矿构造聚敛场 |
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Metallogenic Proferentiality and Metallotect convergence of Unique Ore Deposits in China |
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Abstract:Metaliogenic preferentiality of giant metaliic deposits of China mainly finds expression in their special selectivity towards specific ore-forming metals, deposit type, and ore-forming time and blackground, and depends chiefly upon coincident associations or couplings of geological, geochemical and geophysical ore-controlling factors. Such associations or couplings are called exceptional metallotect convergences, which can be divided into Archean-Palcoprolerozoic syn-shcaring execptional metallotect convergence site, Protcrozoic-palcozoic trinity exceptional metallotect convergence site, Mesozoic "row-line-cluster" -magmnitie excepitional metallotect convergence site and Cenozoic multi-level lake confluence exceptional metallotect convergence site. Each "convergence site" corresponds in lime domain to an superlarge deposit whose ore-forming metals and deposit type are typically controlled by the convergence site. |
keywords:unique ore deposit, metallogenic preferentiality, exceptional metallotect convergence |
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