Results: 1 - 5 of 5
Aug 24, 2020
Data
… characterization of the Upper Cretaceous–Quaternary units in the … and isotopic data for the Upper Cretaceous–Quaternary units in the … and Isotopic Data for the Upper Cretaceous–Quaternary Units in the …
Feb 28, 2007
Earth Sciences Report
… the base of which marks the Cretaceous/Tertiary boundary. … stratigraphic zone between the Cretaceous/Tertiary boundary and …
Dec 31, 1966
Earth Sciences Report
… dipping detrital strata of Late Cretaceous age. In most parts of …
Dec 31, 1961
Earth Sciences Report
… estimates indicate that the Cretaceous and Tertiary geologic …
Dec 31, 1979
Open File Report
… work on the provenance of Upper Cretaceous sands, in indicating …