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This 0 page Class Notes was uploaded by Micheal McDermott on Sunday November 1, 2015. The Class Notes belongs to GLG111 at Miami University taught by PaulHolm in Fall. Since its upload, it has received 11 views. For similar materials see /class/233327/glg111-miami-university in Geology at Miami University.
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Date Created: 11/01/15
GLG 111 Part 3 Coal Sedimentary Environment 0 Terrestrial o RiversStreams o Lakes 0 Swamps o Deserts o Glaciated areas 0 Transitional 0 Where land meets the sea 0 Beach 0 Tidal zone 0 Marine o Seaocean o Deltas are considered between both terrestrial and transitional zones Conglomerate 0 River deposits Terrestrial Sandstones o Beaches rivers or deserts o Terrestrial or transitional 0 Associated rocks 0 Fossil 0 Fossil shes I Beach sand Shale o Mud in o Tidal Zone river swamps o Terrestrial Layers of Sedimentary Rocks Youngest 9 Oldest Limestone Sandstone Shale Coal Limestone Sandstone Caves and cave deposits 0 Limestone 0 Made up of calcite I Weathers readily with acid I Parts of the limestone will dissolve away and will create cavesopenings in the limestone Sinkholes o Adepression 0 Causes because the limestone underneath it has dissolved and it will sink down to where the limestone used to be Karst Topography Cave depositsSpeleothems Travertine o Freshwater Limestone Cave deposits form as o Dripstone deposits 0 Flowstone deposits 0 They are called I Stalactite o Hangs from the ceiling I Stalagmite 0 Forms on the ground I When the two eventually form together they are called columns Metamorphic Rocks Metamorphic Rocks Preexisting rocks that has been changed in the solid state by heat andor pressure Changes during metamorphism o Recrystallization o Coarser grained 0 New minerals may form 0 Increase in density 98 of metamorphic rocks produced by regional metamorphism o Caused by continentcontinent collision o Occurs in the mountain range that is being produced by the collision 0 Conditions of regional metamorphic rocks 0 200 C800 C o 28 kilobars of pressure 0 Depth of around 8 km 32 km Metamorphism deformation Foliation foliated Foliation What factors determine which metamorphic rock forms 0 Starting rock 0 Composition Grain size 0 Conditions of regional metamorphism 0 Temperature 0 Pressure 0 Type of metamorphism Classification of metamorphic rocks Foliated Metamorphic Rocks Shalemudstone or Volcanic lgneous Rock PT conditions of reg metamorphic 200 C 2kb 800 8kb I Rock I Slate I Schist I Gneiss I I Foliation I Slaty Cleavage I Schistosity I Gneissic Layering I Foliated Metamorphic Rocks 0 Slate o Schist o Gneiss Nonfoliated Metamorphic Rocks 0 Starting rock 0 Limestone o QuartzSandstone o Metamorphic Rock 0 Marble o Quartzitc Other types of metamorphism 0 Contact Metamorphism o Hornfels 0 Dynamic Metamorghism o quotSmearingquot out of rocks deep in the crust by movement along a fault o Nylonite
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