• Outcomes for Week 6
• Tasks for Week 6
• Making Timely and Substantial Contributions to Discussion Threads
• Assigned Discussion Threads for Week 6
• Weekly Summary

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Welcome to the fifth week in Pacific Northwest Geology online. The main topic for this week is geologic structures, including folds and faults, and how geologic structures are expressed in the Pacific Northwest.

Outcomes for Week 6

Now let us take a look at what is happening this week. At the end of the sixth week, you should be able to:

• name and define the major geologic structures
• draw or recognize cross-sections of the major geologic structures
• recognize the major geologic structures on a geologic map
• relate the different types of geologic structures to the different types of stress in the crust: compression, tension, and shear
• describe how the development of different types of geologic structures in the Northwest at different intervals of geologic time may relate to changes in the regional stress that was acting on the crust
• point to places in the Pacific Northwest where large-scale examples of each of the major geologic structures are located

Tasks for Week 6

• Read Lecture #6 and the course content Web pages to which it is linked.
• Make timely and substantial contributions to the assigned discussion threads (see below).
• Discuss with the rest of the class the assigned discussion question.
• Complete Lab Assignment #6. This week send Lab Assignment 6 on time in two forms
  1. printouts on which you write down labels and other information; mail these to the instructor at:
     Ralph Dawes PNW
     Wenatche Valley College
     1300 Fifth Street
     Wenatchee, WA 98801
  2. the Lab Assignment 6 Written Answers Form in your online classroom. Follow the instructions on the answer form carefully.
• Take the weekly online quiz.
• Write your weekly summary on the last day of the week and post it to the classroom discussion area by the end of that day (see below).

Making Timely and Substantial Contributions to Discussion Threads

Each week you are assigned one (or several) discussion threads. You are expected, at minimum, to submit a comment of your own, and at least one response to another student's comment, as your contribution to that thread. You are also expected to provide substance to at least one of your postings. Substance means such things as descriptions of real geological examples that you have encountered, or references (with your own comments) to things you have read about, or references (with your own comments) to other Web pages that are relevant to the discussion thread.

You are also welcome to, and encouraged to, start your own discussion threads and respond to other students' discussion threads. The minimum requirement is to take part in the discussion threads that are assigned at the beginning of each week, in the agenda.

Assigned Discussion Thread for Week 6

Here is a listing of the sixth week's assigned discussion thread.

1. The rocks and sediments of the Pacific Northwest provide many resources for human use. Describe an active mine or quarry, including its location, in your area. Try to specify the type of rock or sediment that is extracted and what it is used for. Discuss the benefits and negative impacts of this type of resource extraction.

Your Weekly Summary

Your weekly summary is important. It is to be completed on the last day of the online week. It is to be sent to the Weekly Summary discussion thread.

Writing a summary helps you solidify in your mind what you learned that week. A high-quality summary clearly describes the main ideas you learned, with some specific examples. Demonstrate what you have learned and discuss your experience in learning it, in your own words.

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