酸性火山岩 meaning in Chinese
acid volcanic
Examples
- Geochemical constraint on the origin and sources of early - middle cambrain acidic volcanic rocks from baiyin ore deposit
甘肃白银厂矿田早中寒武世酸性火山岩成因及源区特征的地球化学制约 - All the mafic and felsic volcanic - hosted massive sulfide deposits are therefore defined as the kunlun type volcanic - hosted massive copper sulfide deposit
这些基性火山岩型和酸性火山岩型矿床被统称为昆仑式火山岩型块状硫化物铜矿床。 - There is a closely retationship between the formation of gold deposit and the tectonics , stratigraphy , petrological character , intrusive rocks , uolcanic rocks and ductile shear zone
中酸性火山岩是本区主要成矿母岩，韧脆性剪切带是金矿形成的重要导矿构造。 - The wall rock of the mine is the third member of aqishan formation , which it is formed by the neutral - acidic volcanic rock and volcanic arenite of calcium - alkala series . the rock is mainly of andesite , quartz andesite , volcanic breccia agglomerate and volcanic breccia
矿床赋矿围岩为阿奇山组第三岩性段钙碱系列的中酸性火山岩-火山碎屑岩，主要岩性为安山岩、英安岩、火山角砾熔岩、火山角砾岩等。 - The upper cretaceous jingzhushan formation in the biru basin , xizang consists of a succession of coarse - grained elastic rocks in the alluvial fan - fan delta depositional system , intercalated with intermediate - acidic volcanic rocks including dacite , andesite , quartz trachyandesite and rhyolite
摘要上白垩统竞柱山组为一套冲积扇扇三角洲沉积体系的粗碎屑岩，间夹由英安岩、安山岩、石英粗安岩和流纹岩组成的中酸性火山岩。