basic rock的用法和樣例：
例句
- Jianchaling gold deposit is closed related to the Jianchaling ultrabasic rock mass.
產(chǎn)出部位與超基性巖有關(guān)，屬構造蝕變巖型金礦床。 - The basic rock material is usually finely crystalline and is referred to as the matrix.
基性巖石物質(zhì)具有完美的晶體結構，一般構成基質(zhì)。 - Alkaline rocks and alkalic rock related gold deposits have become a new researching topic on mineral deposit geology.
堿性巖及其相關(guān)的金礦研究已成為一個(gè)新的研究熱點(diǎn)。
