greisen是什么意思
中文翻译与英英解释
n.
【地质学；地理学】云英岩。
a granitic rock composed of quartz and mica
Greisen is a highly altered granitic rock or pegmatite. Greisen is formed by autogenic alteration of a granite and is a class of endoskarn.
n.
【地质学；地理学】云英岩。
a granitic rock composed of quartz and mica
Greisen is a highly altered granitic rock or pegmatite. Greisen is formed by autogenic alteration of a granite and is a class of endoskarn.