仲麒维.贵州二叠系“大厂式”锑矿控矿规律与成矿模式[J].矿产勘查,2012,3(6):761-766 |
贵州二叠系“大厂式”锑矿控矿规律与成矿模式 |
Metallogenetic regularity and metallogenic model of “Dachang type” antimony deposit in Guizhou |
投稿时间:2011-05-10 |
DOI: |
中文关键词: “大厂式”锑矿 控矿规律 成矿模式 成矿作用 贵州 |
英文关键词: “Dachang” type antimony deposit metallogenetic regularity metallogenic model mineralization process Guizhou |
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中文摘要: |
文章以晴隆锑矿大量的勘查报告与研究成果为基础,通过整理与综合分析成矿背景及矿床(点)地质特征,阐述了贵州二叠系“大厂式”锑矿的成矿地质背景和锑矿床的地质特征,层位控矿、构造控矿、岩性控矿规律及近矿围岩蚀变特征。总结了“大厂式”锑矿的控矿规律:在燕山期形成的碧痕营穹状构造,把先期形成的龙潭组与梁山组,经再次褶皱和蚀变成“大厂层”,最终成矿。建立了大厂锑矿成矿模式图,明确了“大厂层”蚀变带是找矿基础,构造是找矿关键的思路。 |
英文摘要: |
Based on large amounts of exploration data and research achievement, the author conducted the integrated analysis of the metallogenetic background and the geological characteristics of known antimony deposits (spots), and illustrated the ore-forming geological background of “Dachang” type antimony deposit, and geological characteristics, strata-bound mineralization regularity, ore-controlling structures, lithological characteristics and country rock alteration characteristics. Finally the author summarizes the metallogenetic regularities of “Dachang” type antimony deposit as followings:the strata of Longtan formation and Liangshan formation were folded and altered by Bihenying dome structures formed in Yanshanian period, and finally the antimony mineralization deposited in “Dachang” bed. The author pointed out that the alteration zoning is the basis for exploring “Dachang” type antimony deposit and the structures are the key to lead the discovery of antimony mineralization. |
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