1) acid and basic rocks
酸性岩和基性岩
2) ultrabasic complex
超基性岩-碳酸岩杂岩体
1.
A super-large vermiculite-apatite deposit originated from the Qieganbulak ultrabasic complex and located at Southern Kuluketage fault block,northeastern margin of Tarim.
产有超大型蛭石-磷灰石矿床的且干布拉克超基性岩-碳酸岩杂岩体位于塔里木板块东北缘库鲁克塔格断隆南侧。
3) basic rock-ultrabasic rock
超基性岩-基性岩
4) acid rock
酸性岩
1.
The volcanic rocks of lower cretaceous Guantou formation in south-west Zhejiang consist ofbasic rocks and acid rocks, without neutral rocks, of which silica are between 53.
认为该套火山岩由基性岩及酸性岩构成，缺少SiO2含量在53。
5) intermediate-felsic rock
中酸性岩
1.
A large number of studies of geochronology and geochemistry indicate that Mesozoic intermediate-felsic rocks from the Dabie orogen have originated from recycling of the subducted Yangtze continental crust itself.
大量的同位素地质年代学和地球化学研究表明,大别山中生代中酸性岩为俯冲扬子陆壳再循环的产物。
6) Acidic magma
酸性岩浆
补充资料：酸性岩
| 酸性岩 acid rock 火成岩的一类。二氧化硅含量较高，大于65％；铁、镁、钙含量较低。暗色矿物含量较少。颜色多为灰白。主要由石英、钾长石、酸性斜长石及少量黑云母组成。常见的酸性深成岩为花岗岩、浅成岩为花岗斑岩，喷出岩为流纹岩。深成岩的规模大小不一，大者分布面积可达数百平方千米，形成岩基；小者仅数平方千米，形成岩株。两者常为同源异地的产物。与酸性岩有关的矿产非常丰富，有有色金属矿产，如铜、锡、钨、铋、钼、铅、锌等；有贵金属矿产，如金、银等；有放射性元素矿产，如铀、钍等；有稀有、稀土金属矿产，如铌、钽、稀土元素等。酸性岩本身亦可用做石材原料。 |
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参考词条