TY - RPRT TI - Discussion of ultramafic and mafic rocks and platinum-group element analyses from the Lost Basin mining district, northwestern Arizona AU - N.J. Page AU - T. G. Theodore AU - L. A. Bradley PY - 1986 DO - 10.3133/ofr8633 UR - https://pubs.usgs.gov/publication/ofr8633 ID - ofr8633 ER -