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Date Permissions Signed

5-31-2018

Date of Award

Spring 1978

Document Type

Masters Thesis

Degree Name

Master of Science (MS)

Department

Geology

First Advisor

Schwartz, Maurice L.

Second Advisor

Easterbrook, Don J., 1935-

Third Advisor

Ross, Charles A., 1933-

Fourth Advisor

Terich, Thomas

Abstract

The evidence presented suggests that terraces and related features found on Bay View Ridge, Skagit County, Washington are raised marine in origin, and formed 13,000 - 11,000 years before present during the Everson Interstade of the Fraser Glaciation. Methods of investigation included topographic profiling, geologic mapping of surface deposits, identifying primary sedimentary structures, grain-size distribution analyses, identifying textural surface features on quartz grains utilizing the Scanning Electron Microscope and radiocarbon age dating.

Little or no measurable differential vertical tectonic and/or glacio-isostatic relative movement has occurred at Bay View Ridge since the Everson Interstade. Volcanic ash found in two peat bogs on Bay View Ridge is believed to have resulted from the eruptions of Mount Mazama.

Type

Text

Keywords

Raised marine terraces

Publisher

Western Washington University

OCLC Number

1060574094

Subject – LCSH

Terraces (Geology)--Washington (State)--Skagit County; Geology, Stratigraphic; Geology--Washington (State)--Skagit County

Geographic Coverage

Skagit County (Wash.); Bay View Ridge (Wash.)

Format

application/pdf

Genre/Form

masters theses

Language

English

Rights

Copying of this thesis in whole or in part is allowable only for scholarly purposes. It is understood, however, that any copying or publication of this thesis for commercial purposes, or for financial gain, shall not be allowed without the author's written permission.

Included in

Geology Commons

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