TY - RPRT TI - Age of the Lospe Formation (early Miocene) and origin of the Santa Maria Basin, California. Petroleum source potential and thermal maturity of the Lospe Formation (lower Miocene) near Point Sal, onshore Santa Maria Basin, California. Obispo Formation, California; remobilized pyroclastic material AU - Richard G. Stanley AU - Samuel Y. Johnson AU - Carl C. Swisher AU - Mark A. Mason AU - John D. Obradovich AU - Mary Lou Cotton AU - Mark V. Filewicz AU - David R. Vork AU - Mark J. Pawlewicz AU - Zenon C. Valin AU - Jean-Luc Schneider AU - Richard V. Fisher PY - 1996 DO - 10.3133/b1995mno UR - https://pubs.usgs.gov/publication/b1995MNO ID - b1995MNO ER -