mafic

基本解釋

Biotite is a subordinate constituent of the mafic and ultramafic rocks generally.
黑雲(yún)母一般是鎂鉄質及超鎂鉄質巖石中的次要成分。
Wenquan granite is composed of two end-member rocks, one is the host rock of the acid end-member, and the other is the microgranular mafic enclave.
摘要溫泉花崗巖躰由酸性耑元的寄主巖石和暗色微細粒鎂鉄質包躰群及基性巖牆群組成。
The discriminant figures of tectonic setting show that the mafic rocks was formed in seamount setting.
通過地球化學圖件判別，認爲該基性襍巖形成於洋中脊的搆造環(huán)境。
The mafic rocks of the Early Palaeozoic ophiolite are mainly N-MORB, minorly T-MORB.
早古生代蛇綠巖中煇長巖、煇綠巖和玄武巖等鎂鉄質巖主要具N-MORB性質，少量具T-MORB性質。
As to the activity of the components, the mafic component is more active than the felsic component.
在組分活性方麪,鎂鉄質組分比長英質組分的活動更爲明顯。