Results: 1 - 3 of 3
May 31, 2005
Geo-Note
… kimberlite-sourced bentonite in Upper Cretaceous strata of north-central … bentonite in Late Cretaceous strata of north-central …
May 08, 2019
Information Series
… position of some Devonian and Upper Cretaceous units. Also, we chose to …
Dec 31, 1965
Earth Sciences Report
… and central Alberta, mainly in Upper Cretaceous strata. Their wide …