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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- Spring '09
- Geology, Cougar Mountain, Cougar Mountain Field