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Filtering by: Creator Downs, Leslie E. File Format image/jpeg

The stratigraphy, structure, and sedimentology of the cretaceous nanaimo group, Galiano Island, British Columbia

Creator:

Carter, Jack Melton

Abstract:

Four formations of the Cretaceous Nanaimo Group crop out on Galiano Island and on Parker and Gossip Islands, nearby. These formations are: early Campanian Geoffrey Formation which encloses a tongue of the Northumberland Formation; early Campanian to late Maestrichtian Spray Formation; and Maestrichtian Gabriola Formation. The stratigraphic succession has a...

Resource Type:

Masters Thesis
Volcanic stratigraphy of the Deschutes Formation, Green Ridge to Fly Creek, north-central Oregon

Creator:

Conrey, Richard M.

Abstract:

About 225 lava flows and ash-flow tuffs of the Deschutes Formation (DF) were mapped at Green Ridge. The units fill east-trending paleovalleys which "sky-out" westward and dip east; the eastward dip of the units decreases as they are traced eastward. The source of the units was west of Green Ridge...

Resource Type:

Masters Thesis