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  • MOUNT BAKER: Eruptive history, hazards, research.

    Visit Mount Baker Volcano Research Center websites Main website and the blog These are no longer actively maintained but are still good references [DT, April, 2020]
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  • This website first appeared December 6, 2009

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    Creative Commons License
    This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License.
    Northwest Geology Field Trips, by Dave Tucker, is licensed under a Creative Commons Attribution-Noncommercial- Share Alike 3.0 United States License. You can use what you find here, repost it with attribution to the author, "remix" it for your own purposes, but may not use it with the intent of making money off of it.

    EDUCATORS: Please feel free to use anything you find here that is useful to your mission educating people about Earth science. E-mail me if it would help to have a larger or higher-resolution version of any of the images. tuckerd at geol dot wwu dot edu

Geo basics

This page links to articles I have written elsewhere on the website that illustrate some ‘basic concepts’ in geology. Bear with me as I develop these pages.

Articles on the Northwest Geology Field Trips website (click on blue links):

THE FORMATION OF PILLOW LAVA with links to where to see them in Washington.



If you are unfamiliar with technical geologic terms, recommended references to have on your shelf, whether you are a ‘professional’ or ‘citizen’ geologist are:

A Dictionary of Earth Sciences (1999) Second Edition, edited by Ailsa Allaby and Michael Allaby. New York, Oxford University Press. 599 pages, plus appendices and references.

The old stand-by dictionary has been:

Dictionary of Geologic Terms (1983) 3rd Edition, edited by Robert L. Bates and Julia A. Jackson. New York, Doubleday. 571 pages.   This book badly needs a new edition, as it does not contain many recent terms added to the geologic lexicon.

Websites with definitions of geologic terms:

http://geology.com/geology-dictionary.shtml     http://www.geotech.org/survey/geotech/dictiona.html

This one seems to have the most words:  http://www.webref.org/geology/geology.htm

7 Responses

  1. Awesome! Thank you again very much for all you do & all the sharing of knowledge, experience, discoveries! Much appreciated.

  2. WOW! Love the new aspect to your site. This is going to be a mandatory site visit for my classes. While sixth graders new to geology will struggle with some of the information others will be challenged. Thank you for all the local (and beyond) information you share! You rock! Roger

  3. Any suggestions for a guy who knows nothing, but is intrigued and would like to be able to drive down the road in his RV and say something better than, ‘cool rocks’?

    • James,
      Thanks for subscribing and for your question. Try the books in the “Guides, Books and Maps” section of this website [tab at the top]. Also, if you like field trips [no geo background needed] sign up for updates from the Mount Baker Volcano Research Center blog. Occasional fund raiser geo field trips to the Mount Baker area. The link is in the right hand column on this webpage.
      Dave Tucker

  4. Dear Dave,
    Just discovered your wonderful website – a friend found it for me. I have submitted a request to the Sno-Isle Library System to acquire your book when it is published. I can’t wait to read it. I’m personally interested in finding where the South Whidbey Fault(s) intersect the bluffs. If you have a field trip with that purpose in mind I’d be interested.

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