Appearing as different sized rock stems and formed in middle latter part of Yanshan Period,the quartz mica dioritic porphyry is the host rock of Nong ping porphyry typed gold copper deposit.
英云闪长斑岩是农坪斑岩型金 (铜 )矿床的赋矿岩体 ,呈大小不等的小岩株 ,形成于燕山中晚期。
The Yefushan rock mass is mainly composed of quartz syenite porphyry.
冶父山岩体主体岩性为石英正长斑岩。
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