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抱伦金矿床是海南省新近发现的大型金矿床之一,属于成生于印支期受构造控制的岩浆热液型金矿床。矿区出露下志留统陀烈组浅变质岩系与白垩系红色碎屑岩,西北侧分布印支期花岗岩。北北东向豪岗岭断裂与其上盘的北北西向断裂破碎带组成矿区基本构造格架。磁组构分析显示矿区千枚岩以压扁变形占绝对优势,主压应力近东西向,矿化热事件前的构造变形较强,矿化之后的构造变形较弱。矿化期构造应力场为近东西向拉伸(主压应力近南北向)。北北西向断裂破碎带是主要赋矿(含矿)构造,对矿体的空间分布、形态产状起重要的控制作用。
The Baolun gold deposit is one of the newly discovered large gold deposits in Hainan Province and belongs to the magmatic hydrothermal gold deposit that was formed during the Indosinian period by structural control. The mining area exposed the Lower Silurian Tuolu Group metamorphic rocks and Cretaceous red clastic rocks, and the Indosinian granites distributed on the northwest side. The north-north-east Hoogangling fault and the NE-WES fracture plate are the basic tectonic framework of the mining area. The magnetic structure analysis shows that the phyllite in the mining area is predominantly crushed and flattened, with the main compressive stress in the near east-west direction. The tectonic deformation before the mineralization heat event is strong and the tectonic deformation after the mineralization is weak. The tectonic stress field during the mineralization is near east-west (main compressive stress is nearly north-south). North-west-west fault zone is the main ore-bearing (ore-bearing) structure and plays an important role in controlling the spatial distribution and morphogenesis of ore bodies.