TY - RPRT TI - Tholeiitic and alkalic basalts of the oldest Pacific Ocean crust AU - P.A. Floyd AU - P. R. Castillo AU - C. M. Pringle PY - 1991 DO - 10.1111/j.1365-3121.1991.tb00143.x UR - https://pubs.usgs.gov/publication/70243191 ID - 70243191 ER -