0402temp_Pangaea-stu - ThelegacyofPangaea ,Utah...

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The legacy of Pangaea (U.S. Geological Survey, 2007) Goosenecks of the San Juan River, Utah EARTH SCIENCE in ARIZONA and the SOUTHWEST
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2 The legacy of Pangaea Formation of the supercontinent Pangaea (Reynolds, Johnson, Kelly, Morin, & Carter, 2010, after Blakey) Early Permian Period 280 Ma Present‐day Southwest
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3 The legacy of Pangaea Island arc collision, mountain‐building, marine flooding (all in all, a rather complicated interval) (R. Blakey)
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4 The legacy of Pangaea A wealth of diverse depositional environments Paleogeographic map by R. Blakey, NAU Carbonate platforms Marine basins Inter‐mountain basins Coastal plains
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5 The legacy of Pangaea Sodium, potassium, Sodium, potassium, calcium, boron salts calcium, boron salts Platform Platform carbonates carbonates Deposition on platforms and in restricted marine basins
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6 The legacy of Pangaea The Paradox Basin Paleogeographic map by R. Blakey, NAU
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7 The legacy of Pangaea Platform carbonate deposition = limestones Algal buildups: hydrocarbon sources
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8 The legacy of Pangaea S. Reynolds, ASU Pennsylvanian limestones exposed in today’s Southwest Pennsylvanian Hermosa Group limestones, Hermosa Cliffs, San Juan Mountains, Colorado
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