“绿岩”的英语？

“绿岩”的拼音为：lǜ yán...

铬铁矿及(或)菱镁矿化通常是与蛇绿岩有关.Chromite and / or magnesite mineralization is usually related to the ophiolites.来自同位素年龄鉴定的证据指出,绿岩带在年龄上彼此变化相当大.Evidence from isotopic dating suggests that the greenstone belts vary considerably in age...