黔东南凯里—黄平地区古喀斯特地貌特征及其对铝土矿成矿的控制
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摘要
凯里—黄平地区铝土矿床位于扬子准地台与华南褶皱带的交接地带,属于黔北台隆遵义断拱的贵阳复杂构造变形区,赋矿层位为中二叠统梁山组。通过搜集大量的工程数据,利用Surfer软件分析铝土物质沉积时的古喀斯特地貌,统计赋存于不同地貌的典型矿体特征,发现古喀斯特与铝土矿体规模、形态及矿石质量关系密切。据此,笔者研究了古喀斯特对铝土矿成矿的控制作用,认为其对于铝土物质的形成、沉积保存以及铝土矿的次生富集均起着重要的作用。
The Bauxite deposits located in the Kaili-Huangping area,are distributed in the junction part between Yangzi platform and Huanan fold belt,which belongs to the Guiyang complex deformation area,the host rock of Bauxite deposits is the Liangshan formation of Permian.By collecting large amount of data,the authors analyze the geomorphic landform of the palaeo-karst where the bauxite deposit formed using Surfer software.By summarizing characteristics of the typical bauxite deposits located in the different karst areas,it is concluded that the palaeo-karst geomorphology is closely related to the scale of the bauxite orebody and the quality of bauxite ore.Thus,the authors analyze the ore-control process of the bauxite deposition,and concluded that the palaeo-karst played an important role on the formation of the bauxite material,deposition,preservation,and secondary bauxite enrichment.
The Bauxite deposits located in the Kaili-Huangping area,are distributed in the junction part between Yangzi platform and Huanan fold belt,which belongs to the Guiyang complex deformation area,the host rock of Bauxite deposits is the Liangshan formation of Permian.By collecting large amount of data,the authors analyze the geomorphic landform of the palaeo-karst where the bauxite deposit formed using Surfer software.By summarizing characteristics of the typical bauxite deposits located in the different karst areas,it is concluded that the palaeo-karst geomorphology is closely related to the scale of the bauxite orebody and the quality of bauxite ore.Thus,the authors analyze the ore-control process of the bauxite deposition,and concluded that the palaeo-karst played an important role on the formation of the bauxite material,deposition,preservation,and secondary bauxite enrichment.
引文
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[3]刘长龄.论高岭石黏土和铝土矿研究的新进展[J].沉积学报,2005,23(3):467-474.
[4]吴俊,鲍振襄,包觉敏.湘西李家田铝土矿床成矿控制因素及成因[J].矿产勘查.2012,3(3):334-339.
[5]李传班.刘幼平,武国辉,等.贵州省凯里地区铝土矿床控矿因素研究[J].地质与勘探.2012,48(1):31-37.
[6]廖士范.论铝土矿床成因及矿床类型[J].华北地质矿产杂志,1994,9(2):153-160.
[7]李景阳.朱立军.论碳酸盐岩现代风化壳和古风化壳[J].中国岩溶,2004,23(1):56-62.
[8]朱立军,李景阳.碳酸盐岩风化成土作用及其环境效应[M].北京:地质出版社,2004,1-128.
[9]刘平.八论贵州之铝土矿-黔中一渝南铝土矿成矿背景及成因探讨[J].贵州地质,2001,18(4):238-243.
[10]吴国炎,姚公一.河南铝土矿床[M].北京:冶金工业出版社,1996.155-171.
[11]袁跃清.河南省铝土矿床成因探讨[J].矿产与地质.2005.19(1):52-56.
[12]潘金权,游桂芝,刘勇,等.贵州坛罐窑铝土矿地质特征及矿床成因[J].矿产勘查,2012.3(4):458-463.
[13]廖士范.沉积矿床研究若干进展综述[J].贵州地质.1999.16(2):122-129.
[14]王俊达,李华梅.贵州石炭纪古纬度与铝土矿[J].地球化学.1998.27(6):575-578.
[15]张正伟,李玉娇,周灵沽,等.黔东南铝土矿含矿岩系“煤-铝-铁结构”及地球化学特征[J].地质学报.2012,86(7):1119-1131.
[16]付治国,王军强,张沛垚.河南嵩箕地区铝土矿的次生富集规律[J].地质找矿论丛,2009,24(1):28-33.
①贵州省有色金属和核工业地质勘查局六总队.贵州省凯里铝土矿普查地质报告,2004.