The stratigraphy of the Scappoose formation, the Astoria formation, and the Columbia River basalt group in northwestern Columbia County, Oregon

Author

Nancy Tompkins Ketrenos, Portland State University

Sponsor

Portland State University. Department of Geology

First Advisor

Robert O. Van Atta

Date of Publication

1986

Document Type

Thesis

Degree Name

Master of Science (M.S.) in Geology

Department

Geology

Language

English

Subjects

Geology -- Oregon -- Columbia County, Basalt -- Oregon -- Columbia County, Stratigraphic geology

DOI

10.15760/etd.5500

Physical Description

1 online resource (91 p.)

Abstract

The study area is located in northwestern Columbia County, and covers an area of approximately 70 square kilometers. The purpose of the study was to investigate the possible correlation of the Scappoose and Astoria Formations and determine their stratigraphic relationship to the Columbia River Basalt Group through mapping, geochemistry and petrography.

Rights

In Copyright. URI: http://rightsstatements.org/vocab/InC/1.0/ This Item is protected by copyright and/or related rights. You are free to use this Item in any way that is permitted by the copyright and related rights legislation that applies to your use. For other uses you need to obtain permission from the rights-holder(s).

Comments

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Persistent Identifier

http://archives.pdx.edu/ds/psu/20599

Recommended Citation

Ketrenos, Nancy Tompkins, "The stratigraphy of the Scappoose formation, the Astoria formation, and the Columbia River basalt group in northwestern Columbia County, Oregon" (1986). Dissertations and Theses. Paper 3632.
https://doi.org/10.15760/etd.5500