PATTERNS OF STRUCTURAL CONTROLS ON GOLD DEPOSITS IN TULASU VOLCANIC BASIN,WEST TIANSHAN, XINJIANG
PATTERNS OF STRUCTURAL CONTROLS ON GOLD DEPOSITS IN TULASU VOLCANIC BASIN,WEST TIANSHAN, XINJIANG
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发表时间：
2002
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通讯作者：
Zhang Gui-lin
中科院分区：
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作者：
Zhang Gui-lin
新疆西天山吐拉苏火山盆地金矿床受不同规模的有序构造控制。在构造尺度上，一级构造控制为北西西向基底断裂带，与博罗霍罗古生代岛弧平行。北西西向基底断裂带是金成矿带，与石炭系火山岩有关。在区域尺度上，北西向走滑断裂和北东向伸展断裂是控矿的二级构造。在存款规模上，三级构造控制为近SN向张性断裂和火山环的陡倾，控制了矿体的定位和产状。
Gold deposits in Tulasu volcanic basin, West Tianshan, Xinjiang, are controlled by different order structures on different scales. On tectonic scale, the first-order structural control is NWW basement fracture zone, which is parallel to Borohoro Paleozoic arc. The NWW basement fracture zone defines the gold mineralization province, which is associated with Carboniferous volcanic rocks. On regional scale, the second-order structural controls are NW strike-slip fractures and NE extensional fractures, which control the distribution of gold deposits. On deposit scale, the third-order structural controls are steep-dipping near SN tensile faults and caldaria ring, which control the location and occurrence of ore bodies.