TY  - RPRT
TI  - A mid-Permian chert event: Widespread deposition of biogenic siliceous sediments in coastal, island arc and oceanic basins
AU  - B.L. Murchey
AU  - D. L. Jones
PY  - 1992
DO  - 10.1016/0031-0182(92)90066-e
UR  - https://pubs.usgs.gov/publication/70017015
ID  - 70017015
ER  -