TY - RPRT TI - Isotopic and trace element compositions of upper mantle and lower crustal xenoliths, Cima volcanic field, California: Implications for evolution of the subcontinental lithospheric mantle AU - S.B. Mukasa AU - H. G. Wilshire PY - 1997 UR - https://pubs.usgs.gov/publication/70019262 ID - 70019262 ER -