The Xiaotongjiapuzi gold deposit occurs in a Palaeoproterozoic rift accretionary terrene in eastern Liaoning and is hosted by a carbonate formation of the Dashi
The Mesoproterozoic Wumishan Formation in the Jixian section ofTianjin is a succession of 3300-m-thick carbonate strata formed in a period of about 100 Ma (1310
The Altay erogenic belt of China is an important metallogenic belt of base metals, rare metals and gold. The main orogenic-metallogenic epoch is the Hercynian (
It has been debated whether oil and gas from coal measures are mainly derived from mudstones or coals in a coal-bearing basin. This paper is aimed at probing in