TY - RPRT TI - Petrographic and Geochemical Characterization of Ore-Bearing Intrusions of the Noril'sk type, Siberia; With Discussion of Their Origin, Including Additional Datasets and Core Logs AU - Gerald K. Czamanske PY - 2002 DO - 10.3133/ofr200274 UR - https://pubs.usgs.gov/publication/ofr200274 ID - ofr200274 ER -