porphyrite
n. [岩] 玢岩；斜长斑岩，微闪长岩
例句
The diorite porphyrite has been regarded as an ore hunting indicator in...
闪长玢岩可作为该区主要的找矿标志。
The latter is composed of diorite, quartz diorite porphyrite, andesite, andesite basalt.
后者由闪长岩、石英闪长玢岩、安山岩、安山玄武岩组成。
Quartz diorite-porphyrite body is large in scale, and closely related with Cu mineralization.
石英问长玢岩规模较大者，与铜矿化和其他矿化关系密切。
