桂林理工大学学报2012，Vol.32Issue(4)：469-474,6.DOI:10.3969/j.issn.1674-9057.2012.04.004
老挝色贡省格棱铁矿地质特征及找矿标志
Geological Featuers and Prospecting Criteria of Gelin Iron Deposit in Segong of Laos
摘要
Abstract
Gelin iron deposit locates at Changsan metallogenic belt in Laos. Iron ore bodies lie in clastic and carbonate sedimentary rock in low-middle Triassic, strictly controlled by northeast fault structure. The orebodies distribute in lens and nervation shape, and the structure of ores are mainly fine vein, brecciated and crumb. The type of ores is very simple, includimg specularite and a small amount of magnetite. The average grade (TFe) of three orebodies is about 50% in Gelin deposit. Based on these information, it is concluded that the iorn deposit belongs to hydrothermal vein type connected with later stage magmatic activity. Iron ore deposits are associated with granodiorite rock between Changshan metallogenic belts. The granodiorite rock provides heat and metallogenic material. The ore-prospecting indicator primarily includes granodiorite emplaceing, strong si-licification, chloritization in wall rock and magnetic anomaly.关键词
镜铁矿/地质特征/找矿标志/格棱铁矿/老挝Key words
specularite/geological characteristics/prospecting criteria/Genlin iron deposits/Laos分类
天文与地球科学引用本文复制引用
朱华平,范文玉,罗茂金..老挝色贡省格棱铁矿地质特征及找矿标志[J].桂林理工大学学报,2012,32(4):469-474,6.基金项目
中国地质调查局国土资源大调查项目(1212011220907) （1212011220907）
