Metamorphic_lecture - Recycling granite to become clastic...

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Unformatted text preview: Recycling granite to become clastic sedimentary rock Original granite material weathering product sedimentary rock whole rock conglomerate quartz sandstone Diagenesis : changes that occur in sediment after deposition (making sediment into sedimentary rock). feldspar-rich sand- stone (arkose) Examples: compaction, cementation, dissolution. quartz crystals loose sand feldspar crystals loose sand feldspar crystals mudrock, shale clay minerals Recycling igneous rock to become chemical/ biochemical sedimentary rock K feldspar, Na plagioclase Na + , K + ions in solution Original igneous mineral weathering product sedimentary rock rock salt rock salt = halite (NaCl) Ca 2+ ions in solution Ca plagioclase limestone , rock gypsum limestone = chiefly calcite (CaCO 3 ) rock gypsum = chiefly mineral gypsum = CaSO 4 . 2H 2 O Mg 2+ ions in solution ferromagnesian minerals rock dolomite rock dolomite = chiefly mineral dolomite = [Ca, Mg]CO 3 The Rock Cycle METAMORPHISM: Greek: to transform no melting! METAMORPHISM:...
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Metamorphic_lecture - Recycling granite to become clastic...

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