GEO 101 Lecture 9: Lecture 9 - Sedimentary Rocks
6 Feb 2017
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First midterm exam is next week, wednesday 02/08/2017. If necessary, get your testing accommodations setup with ods today; last minute accommodations will not be permitted. Dr. hansen will post a study guide on blackboard soon; review session on monday. Started discussing sedimentary rocks: made from pieces or solution of other rocks. Also have glacial and wind (eolian) deposition. Diagenesis: chemical, physical, and biological changes after sediments are deposited. Sedimentary rocks made of pieces of other rocks. Sedimentary rocks crystallize out of the solution. Review questions: along a beach, there is an abundance of well-rounded, quartz-rich sand. If that beach were lithified, it would turn into _________: sandstone. Emily-paige montgomery epmontgomery@crimson. ua. edu: siltstone, breccia, conglomerate, in a mountain stream, there are well-rounded pebbles, cobbles, and boulders. If that stream sediment were lithified, it would turn into _________: shale, siltstone, breccia, conglomerate, along a river bank, there are deposits of fine-grained silt and mud.
