Marcasite from Songpan Co., Ngawa Autonomous Prefecture (Aba Autonomous Prefecture), Sichuan, China
China | |
| Peters, S.G. (2002): USGS Open-File Report 02-131. |
Peters, S.G. (2002): USGS Open-File Report 02-131. |
China | |
| Peters, S.G. (2002): USGS Open-File Report 02-131. |
Peters, S.G. (2002): USGS Open-File Report 02-131. |