Recent discovered Hanshan gold deposit is a structure-controlled altered rock type related with intrusive rocks in North Qilian Mountain.
The Precambrian intrusive rocks in western Shandong area mainly fall into two parts: the Taishanian (Archean) and the Aolaishanian (early Proterozoic) intrusive rocks.
This paper reports an understanding of the origin of the Tonglu volcanic intrusive rocks on the basis of further studies.
The Baocun and Chaoshan gold deposits in Shizishan are field are of skarn type, and their intrusive rocks are Baocun quartz diorite and Baimangshan augite quartz diorite respectively.
The results obtained can also provide new information for geological exploration. This paper describes briefly the mapping of acid intrusive rocks in eastern Beishan area.
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