A Proterozoic Wrinkle in Time
Polished rock slab of Proterozoic Macaubas Group (metadiamictite), Minas Gerais State, Brazil: Large diamictite clast, stretched clasts, and pressure shadows. Igneous, Metamorphic, or Sedimentary? Yes! This "virtual field trip" rock slab is used for teaching many concepts in introductory to advanced geology classes at the University of Utah.
Taken on 13
February
2018
Submitted on 15 Feb 2018
Categories
Location
- North America (734)
- Northern America (576)
- United States of America (386)
- Exact location (-111.8475 W, 40.7667 N)
Colour palette
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2002 × 1479 px;
image/jpeg; 882.9 KB
Camera:
Apple iPhone 7
Licence
Credit: Marjorie Chan (distributed via imaggeo.egu.eu)
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