Links for Geology of Oregon and the Pacific Northwest

This site is continually growing--so check it frequently!

Topics are listed in approximately the order we introduce them in class.

Geologylink --in conjunction with the textbook Geology, 2e by Chernicoff. A vast, well-organized clearinghouse of just about everything geological.

Earth Science links. --a long list of geological links, maintained by Dr. Rebecca Dorsey of U of Oregon.

Geological Photographs. --index of photos on this website.

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Plate Tectonics

USGS site on plate tectonics A great deal of clearly presented and illustrated background.

UC Berkeley site --includes animations of the past 750 million years. Also summarizes the basic theory.

Introduction to Plate Tectonics --very informative site with excellent illustrations by Joe Stackhouse, a Pennsylvania High School teacher.

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Rocks and Minerals

Minerals --information about just about every mineral there is! Go to minerals "by name" and pick what you want to learn about.

Photos of igneous, metamorphic, and sedimentary rocks --photos of outcrops

Photos of igneous rocks, textures, etc. --more photos.

Rock Cycle --Description with a great illustration from the University of Saskatchewan.

Rock Cycle --Description with another good illustration from U. of British Columbia.

Igneous Rocks --good photographs and information--by Dr. Pamela Gore at Georgia Perimeter College.

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Volcanism and Cascades Volcanoes

Cascade Volcano Observatory (CVO)--US Geological Survey site --all sorts of information.

Mt. St. Helens--a USGS site. Information about all aspects of Mt. St. Helens.

Different types of volcanoes --From the CVO page. Good clear descriptions with photos.

Volcanoes --a huge warehouse of information on volcanoes from all over the world. Sponsored by Dartmouth.

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Sedimentary Rocks and Depositional Environments

Facies and Walther's Law --a good, clear description of these important concepts. Includes an illustration of transgression and regression. By Dr. Pamela Gore at Georgia Perimeter College.

Photos of different environments --only partially up and running (check April 20).

Depositional Environments --Lecture notes from Univ. California Santa Cruz.

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Earthquakes and Seismicity

Earthquakes --a clear introduction to the topic by the USGS.

University of Washington seismology --much information on NW earthquakes.

Pacific NW seismology --Pacific NW earthquake information.

Earthquake Hazards in Oregon and Washington --a site hosted by the University of Washington.

NE Pacific Earthquakes --maps showing locations of earthquakes off the coast of Oregon and Washington. There's a different map for each quarter of each year since 1992. Also, click on "latest seismicity" near the top of the page to see a great graphic of the earthquakes off the coast of the northwest.

Faults and fault zones --photographs and description.

Fault Maps of Oregon --Maps compiled by Robert Langridge of University of Oregon.

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Glaciers and Glaciation

Glaciers. --photos of Glaciers, their erosional effects, and depositional features.

Glaciers. --Coursenotes from the University of Colorado at Boulder.

Description of the Channelled Scablands --courtesy of Elizabeth and William Orr.

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