felsic rock 中文意思是什麼
felsic rock
解釋
長英質巖石-
Metallogenic models of cu, ag deposits in felsic volcanic rock of permian continental facies of awulale, western tianshan mt
西天山阿吾拉勒二疊紀陸相長英質火山巖銅銀礦礦床模式 -
These deposits, which can be obviously divided into basic and acid volcanic types, are present in the carboniferous bi - model volcanic series and occur along two horizons, i. e., the lower carboniferous mafic volcanic rock and the upper carboniferous felsic volcanic rock
這些礦床產在石炭系雙峰式火山巖系之內，沿著下石炭統基性火山巖和上石炭統酸性火山巖兩個層位產出，分別以玄武巖和流紋巖為容礦主巖，可以明顯地分成基性火山巖型和酸性火山巖型兩種類型。
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