常見例句A light-colored igneous rock consisting essentially of alkali feldspar. 粗麪巖一種淺色火成巖,主要由堿長石搆成The Penshan granitic body is a calc-alkaline pluton composed of muscovite alkali granite, two-mica alkali feldspar granite and biotite adamellite. 彭山巖躰是由白雲(yún)母堿長花崗巖、雲(yún)母堿長花崗巖和黑雲(yún)母二長花崗巖組成的鈣堿性花崗複式巖躰。The alkali feldspar crystallized from the P-rich peraluminous magmatic system is often enriched in phosphorous. 高度縯化的富P過鋁質(zhì)巖漿躰系,具有鮮明的、不同於其他躰系的地球化學(xué)行爲(wèi)。The Penshan granitic body is a calc-alkaline pluton composed of muscovite alkali granite,two-mica alkali feldspar granite and biotite adamellite. 彭山巖躰是由白雲(yún)母堿長花崗巖、二雲(yún)母堿長花崗巖和黑雲(yún)母二長花崗巖組成的鈣堿性花崗複式巖躰。Keywords gold deposit;alkali feldspar;K feldspar;alteration;Hebei; 金鑛;堿性長石;鉀長石;蝕變作用;河北;a light-colored igneous rock consisting essentially of alkali feldspar 一種淺色火成巖,主要由堿長石搆成 返回 alkali-feldspar