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Filtering by: Subject Geology -- Oregon -- Green Mountain Region Subject Geology -- Oregon -- Clatsop County

Geology of the Green Mountain-Young's River area, Clatsop County, northwest Oregon

Creator:

Peterson, Carolyn Pugh

Abstract:

The upper Eocene to lower Oligocene Oswald West mudstone is the oldest formation (informal) in the Green Mountain-Young's River area. This 1,663 meter thick hemipelagic sequence was deposited in a low-energy lower to upper slope environment in the Coast Range forearc basin. The formation ranges from the late Narizian to...

Resource Type:

Masters Thesis