The Carboniferous prototype sedimentary basin in the Tazhong (Central Tarimbasin) area is recognized as a compressive intracratonic depressional one. Three type
Changchengite occurs in chromite orebodies in dunite and in platinum placer deposits in chromite orebodies nearby. The mineral occurs as massive aggregates or v
Based on palaeomagnetic studies of the Precambrian gold deposits in the Xiong’ershan area, Henan Province, the authors infer that the ore-forming processes of