...先，根据火成岩的SiO2含量，可以将火成岩分成超基性岩（ultrabasic rock）、基性岩（basic rock）、中性岩（intermediate rock）及酸性岩（acidic rock）。它们分别相当于四种基本岩浆类型。
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alkalic intermediate rock 碱中性岩
intermediate igneous rock [岩] 中性火成岩
The outcropped Mesozoic intrusive rock is a composite intrusion which consists of basic, intermediate and acid rocks, characterized by the large scale, multiphase intrusion, and with long evolution.
山门银矿区出露的中生代侵入岩是一套由基性岩、中性岩、酸性岩组成的复式侵入体。具有规模大、侵入期次多、演化时间长的特点。
The true triaxial pressure experiment for red sand rock is conducted for the purpose of investigation into the strength theory of rock and the effect of intermediate main stress.
为探讨岩石的强度理论和中间主应力效应，进行了红砂岩真三轴压力试验。
A set of intermediate basic volcanics, pyroclastic rock and top part of clastic rock is found in north of Balikun coal mine.
巴里坤煤矿北原划下泥盆统塔黑尔巴斯套组下部，发现一套中基性火山岩及火山碎屑岩建造。
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