Ocean101-Ch05-11Transition

Ocean101-Ch05-11Transition - Ripple Marks on a Beach 4...

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1 The Rock Cycle “Reading the Rocks Reading the Rocks Igneous, Sedimentary, Metamorphic Texture + Composition ! Structure (folds, faults, etc) ! History Relative & absolute dating ! History *One-page mineral and rock ID handout is linked to our course page Sand (Quartz) ! Glass Limestone (Calcite=CaCO 3 ) and Sandstone (Quartz=SiO 2 )
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2 Shale (Clay) Depositional Environments Depositional Environments Tropical Beach - Shells (calcite) deposited
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3 Beach - Sand and Gravel deposited Sand (sediment) ! Sandstone (sedimentary rock) Gravel (sediment) ! Conglomerate (sedimentary rock)
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Unformatted text preview: Ripple Marks on a Beach 4 Coastal Landscapes Are Highly Coastal Landscapes Are Highly Variable, Depending on: Variable, Depending on: Stability of the coastal region (uplifting, subsiding, or stable) Nature of rocks & sediments at the shoreline Long-term changes in sea level Wave energy and tidal energy Human impacts Sandy Barrier Coastline of N. Carolina Coral Reef Coastline, Florida Rocky, Glaciated Coastline of Maine 5 Wave Cut Cliffs and Sea Stacks, Australia Shoreline Armoring: Pros & (mainly) Cons...
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This note was uploaded on 01/09/2012 for the course OCEA 101 taught by Professor Gwynethjones during the Winter '12 term at Bellevue College.

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Ocean101-Ch05-11Transition - Ripple Marks on a Beach 4...

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