Results: 1 - 4 of 4
Oct 31, 1993
Open File Report
… … The Jurassic/Cretaceous boundary in a well is … the nature of the Jurassic/Cretaceous boundary and includes … and Dolby, G. (1993): Jurassic/Cretaceous boundary in west central …
Dec 31, 1959
Bulletin
… J.H. … Wall, J.H. (1960): Upper Cretaceous Foraminifera from the … … BUL 006 … Bulletin 006 … Upper Cretaceous Foraminifera from the …
Aug 31, 1977
Open File Report
… (primarily carbonates), the Cretaceous McMurray Formation (oil impregnated sandstone), the Cretaceous Clearwater Formation … and younger undifferentiated Cretaceous units (shales). The …
Dec 31, 1957
Earth Sciences Report
… of the area is composed of Upper Cretaceous unconsolidated …