TY - RPRT TI - Late-stage sulfides and sulfarsenides in Lower Cambrian black shale (stone coal) from the Huangjiawan mine, Guizhou Province, People's Republic of China AU - H. E. Belkin AU - K. Luo PY - 2007 DO - 10.1007/s00710-007-0201-9 UR - https://pubs.usgs.gov/publication/70031915 ID - 70031915 ER -