The presence of these minerals gives felsic rock its characteristic light gray color.
这些矿物的存在使这种岩石呈特有的浅灰色。
Felsic gneiss is the most widely distributed rock type in Archean metamorphic complex areas.
长英质片麻岩是太古宙变质杂岩区最主要的岩石类型。
C and O isotopic data demonstrate that these gases are derived from the felsic magma system;
气体的碳、氦同位素资料表明其来自长英质岩浆体系；
As to the activity of the components, the mafic component is more active than the felsic component.
在组分活性方面，镁铁质组分比长英质组分的活动更为明显。
Both the eclogite and the felsic gneiss have not undergone the same high-pressure metamorphic event.
榴辉岩的主体围岩是长英质片麻岩，它与榴辉岩不是相同高压变质作用的产物。
Both the eclogite and the felsic gneiss have not undergone the same high - pressure metamorphic event.
榴辉岩的主体围岩是长英质片麻岩，它与榴辉岩不是相同高压变质作用的产物。
Earlier crystallization of felsic minerals than biotite and garnet is related with much lower crystallization pressure.
长英质矿物早于黑云母和石榴子石结晶与岩浆侵位浅（结晶压力低）相关。
South Longwangmiao gold deposit in Liaoning Province occurred in the meta-felsic rock unit in Liaobei Archean greenstone belt.
辽宁省清原县的南龙王庙金矿，赋存于太古宙绿岩带的变粒岩岩段中。
A coarse-grained, plutonic or intrusive igneous rock of felsic composition having large crystals of quartz, feldspar and mica.
一种粗粒的，深成的或侵入的长英质成分的火成岩，含石英、长石和云母的粗大晶体。
These reactions involving melt are not only controlled by PT conditions, but also genetically associated with dehydration melting, partial melting of felsic minerals in host rocks.
这类熔体参与变质反应不仅受控于温压条件，而且与寄主岩石脱水熔融、长英质矿物部分熔融存在密切成因关系。
The massive sulfides related to felsic volcanic rocks in the back-arc and island arc environments have higher content of gold. According to a vast amount of geo chemical research...
通常形成于弧后或岛弧环境下的同长英质火山岩有关的块状硫化物中的金含量较高。
The massive sulfides related to felsic volcanic rocks in the back-arc and island arc environments have higher content of gold. According to a vast amount of geo chemical research...
通常形成于弧后或岛弧环境下的同长英质火山岩有关的块状硫化物中的金含量较高。
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