Results: 1 - 4 of 4
Apr 20, 2020
Data
… the basal red beds, the lower Lotsberg halite, the middle … L2, and L3 marker beds from the lower and upper Lotsberg halite … also includes picks of the sub-Cretaceous unconformity where it …
Dec 22, 2005
Earth Sciences Report
… wedge. The basin-wide sub-Cretaceous unconformity separates … 1) the Middle Devonian to Lower Mississippian succession, and 2) the upper Lower to lower Upper Cretaceous …
Feb 29, 2008
Geo-Note
… is presented for the uppermost Cretaceous strata of the … appear to be hosted within lower Cenomanian to Campanian … paleoenvironments ranged from lower shoreface below wave base to …
Oct 31, 2003
Geo-Note
… (Birch Mountains) pipes contain lower ε Nd , higher 87 Sr/ 86 Sr, … age of the NAKP is Late Cretaceous (Coniacian to …