First Advisor

Paul E. Hammond

Term of Graduation

Spring 1981

Date of Publication

6-5-1981

Document Type

Thesis

Department

Earth Science

Language

English

Subjects

Geology -- Oregon -- Mount Jefferson Wilderness

DOI

10.15760/etd.3259

Physical Description

1 online resource (xiii, 181 pages)

Abstract

The volcanic stratigraphy and petrography is described for a 46 km2 area on the southern flank of Mount Jefferson in the north-central part of the Oregon High Cascades. Here, volcanic processes have been active throughout Quaternary time, resulting in complex stratigraphic relationships. In addition, three formerly recognized glaciations and a two-phase period of neoglaciation have eroded the terrain, depositing tills in contact or interstratified with the volcanic units. Collectively, these processes and the resulting deposits are characteristic of High Cascades development.

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

A thesis submitted in partial fulfillment of the requirements for the degree of Master of Arts in Geology.

If you are the rightful copyright holder of this dissertation or thesis and wish to have it removed from the Open Access Collection, please submit a request to pdxscholar@pdx.edu and include clear identification of the work, preferably with URL.

Persistent Identifier

https://archives.pdx.edu/ds/psu/18755

Additional Files
gannon1.pdf (9635 kB)
Geologic Map of the Table and Vicinity, Cascade Range, Oregon
gannon2.pdf (6747 kB)
Geologic Cross Sections
gannon3.pdf (3001 kB)
Lithologic Provenience Map
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