Add Yahoo as a preferred source to see more of our stories on Google. A shallow marine inversion kept polluted air trapped in the L.A. Basin for days. (Paul Duginski / Los Angeles Times) One good ...

The Middle Palaeocene inversion of the Sorgenfrei-Tornquist Zone, however, was entirely different. During the Danian, the depocentre southwest of the zone shifted away from the inversion zone, and at ...

The Trujillo basin project was initiated by Perupetro and completed by the PARSEP Group to investigate the remaining undiscovered hydrocarbon potential in the Trujillo basin, located offshore ...