TY - RPRT TI - Platinum-group element geochemistry of zoned ultramafic intrusive suites, Klamath Mountains, California and Oregon AU - F. Gray AU - N.J. Page AU - C.A. Carlson AU - S. A. Wilson AU - R. R. Carlson PY - 1986 DO - 10.2113/gsecongeo.81.5.1252 UR - https://pubs.usgs.gov/publication/70014569 ID - 70014569 ER -