China New Star (Guangzhou) Petroleum Corporation;
Sanshui;
Guangdong 528133;
Institute of Geology;
Chinese Academy of Geological Sciences;
Beijing 100037;
Bureau of Geology and Mineral Resources of Heyuan;
Heyuan;
Guangdong 517000;
Institute of Cultural Relics and Archaeology;
Guangzhou;
Guangdong 510075;
Heyuan Museum;
Heyuan;
Guangdong 517000;