TY - RPRT TI - Small scale heterogeneity of Phanerozoic lower crust: evidence from isotopic and geochemical systematics of mid-Cretaceous granulite gneisses, San Gabriel Mountains, southern California AU - A. P. Barth AU - J. L. Wooden AU - D. J. May PY - 1992 DO - 10.1007/bf00283327 UR - https://pubs.usgs.gov/publication/70016566 ID - 70016566 ER -