Geology of the Buster Creek-Nehalem Valley area, Clatsop County, northwest Oregon

• Main Author: Olbinski, James Steven
• Other Authors: Niem, Alan R., Geology, Oregon State University. Graduate School
• Format: Master Thesis
• Language: English
• Published: Oregon State University
• Subjects: Geology > Oregon > Buster Creek; Geology > Oregon > Nehalem River Valley; Geology; Stratigraphic > Tertiary; Ronde; Geomagnetic Pole
• Online Access: http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/zk51vm80r

Six Tertiary rock units are exposed in the Buster Creek-Nehalem Valley area. They are, from oldest to youngest: upper Eocene Tillamook Volcanics; upper Eocene Cowlitz Formation; upper Eocene Keasey Formation; upper Eocene Vesper Church formation (informal); upper Eocene to Oligocene Pittsburg Bluff...