TY  - RPRT
TI  - Chemical composition of argillites of the cobalt series (precambrian) and the problem of soda-rich sediments
AU  - F.J. Pettijohn
AU  - H. Bastron
PY  - 1959
DO  - 10.1130/0016-7606(1959)70[593:ccoaot]2.0.co;2
UR  - https://pubs.usgs.gov/publication/70211897
ID  - 70211897
ER  -