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Filtering by: Decade 1990-1999 Subject Formations (Geology) -- Washington (State) -- Willapa Hills

Geology of the middle and upper Eocene McIntosh Formation and adjacent volcanic and sedimentary rock units, Willapa Hills, Pacific County, southwest Washington

Creator:

Moothart, Steve Rene'

Abstract:

The early to middle Eocene submarine basalts of the Crescent Formation form the core and basement of the structurally uplifted Willapa Hills region of southwest Washington. The formation consists of a thick sequence of predominantly subalkaline, tholeiitic pillow basalts and breccias formed as oceanic crust and seamounts at a sea...

Resource Type:

Masters Thesis