TY  - RPRT
TI  - Ilmenite, magnetite, hematite, and copper in lavas of the Keweenawan series
AU  - Henry Rowland Cornwall
PY  - 1951
DO  - 10.2113/gsecongeo.46.1.51
UR  - https://pubs.usgs.gov/publication/70221635
ID  - 70221635
ER  -