单词felsic
adj.: 〔地〕长英质的
n.: 长英矿物
网络: 火成岩有酸性；长英斑岩
长英矿物
〔地〕长英质的
The intermediate and acid seamount which maybe exist , may be the main origin of felsic detritus.
本区可能存在的中酸性熔岩海山是长英质轻碎屑物质的主要源区。
The gold orebody and ore spot occur in felsic mylonites. The mineralization is closely associated with the activity Qf ductile shear zone.
认为金矿体和金矿点产于长英质糜棱岩类岩石中，成矿作用与韧性剪切带的活动密切相关。
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。
The deposits hosted in granite-porphyry and felsic or intermediate volcanic rocks are mostly porphyry type of molybdenum deposits.
产于花岗斑岩、长英质或中性火山岩内的钼矿床多为斑岩型钼矿床。
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。
Metallogenic models of Cu, Ag deposits in felsic volcanic rock of Permian continental facies of Awulale, western Tianshan Mt.
西天山阿吾拉勒二叠纪陆相长英质火山岩铜银矿矿床模式。
The massive sulfides related to felsic volcanic rocks in the back-arc and island arc environments have higher content of gold.
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 clastic sediments are predominantly derived from the felsic volcanics, some basic to intermediate volcanics and minor sediments.
碎屑沉积物主要源于长英质火山岩，同时还有部分中基性火山岩及少量的沉积岩。
Gangtangcuo granite widely distributes in Shuanghujiaomuri area, Tibet and it is a set of Late Triassic felsic intrusive rock.
冈塘错花岗岩体是分布于西藏双湖角木日地区的一套晚三叠世酸性侵入岩。
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。