Sp09_101_PrelabFT - youngest(2 Did the Cascade Mountains...

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Name: Geology 101 – Prelab Assignment Field Trip – Cougar Mountain Due: Tuesday OR Thursday, May 12 OR 14 Readings: Review the background materials for the Cougar Mountain Field Trip in the lab manual (p. 139-142). In addition, be sure to review the materials we have already covered on sedimentary rocks (as that is mostly what we will be seeing on the field trip). Questions: (1) We will be looking at the Blakely, Renton, and Vashon formations today – list them from oldest to
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Unformatted text preview: youngest. (2) Did the Cascade Mountains exist 50 million years ago? Yes or No (circle one) (3) The Vashon Formation, which we will see at the second stop, is made of glacial till that was deposited at the very end of the Pleistocene Epoch. (a) Is glacial till well sorted or poorly sorted? (circle one) (b) Approximately how long ago (in years) was the end of the Pleistocene Epoch? (4) In what type of sedimentary environment does coal form?...
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