volcaniclastic

The Zhaojiaweizi Ag - Pb - Zn deposit occurred within the lower Permian volcaniclastic rocks, marble and crystalline limestone rocks.

内蒙赵家围子银铅锌多金属矿床产于二叠系下统火山碎屑岩和大理岩 、 结晶灰岩中.

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Tile study shows that the volcaniclastic turbidite deposited in a passive continental margin.

该区的火山碎屑浊积岩形成于被动大陆边缘构造环境.

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