Kami Export - GEOL 1301 - Lab 04 - Sedimentary Rocks

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University of Texas, Arlington *

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1301

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Geology

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Apr 3, 2024

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GEOL 1301 Lab 04 Sedimentary Rocks Observe and record the properties of the sedimentary rock samples listed in the first table and use them to identify the samples. Lists of properties can be found below, as well as links to rock identification keys. Please complete both attached worksheets, then upload your completed lab on Canvas. Grain Size: • Gravel > 2 mm • Sand 0.06-2 mm • Silt 0.004-0.06 mm • Clay < 0.004 mm Rounding: • Angular • Sub-rounded • Well-rounded Sorting: • Poorly sorted • Well-sorted Composition: • Can you identify any minerals in the rock? Other Observations: • Layering • Fissility • Color • … Identification Keys: http://geology.about.com/od/rocks/a/Rock-Tables.htm http://homework.uoregon.edu/mstrick/MinRockID/RockID/Sedimentary.html

Examining and Classifying Sedimentary Rocks Use the following link to identify the sedimentary rock samples listed in the table: http://profharwood.x10host.com/GEOL101/Labs/Sediment/index.htm Sample Number Grain Size Rounding Sorting Composition Other Observations Rock Name 1 3 8 9 10 12

How and in what environment might the rocks that you identified in the first part of the lab have formed? Sample #/Rock Name Formation/Environment

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Kami Export - GEOL 1301 - Lab 04 - Sedimentary Rocks

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