vein-like mass 中文意思是什麼
vein-like mass
解釋
脈狀塊體-
You can see a vein, like 人 the chinese character, of pegmatite formed about 2. 6billion years ago intruding in the granodiorites mass formed about 2. 7billion years ago
26億年前後形成的偉晶巖侵入到27億年前後形成的花崗閃長巖中,形成「人」字形脈體。
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