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JMO_Rock_Composition

Science 8 Rock I.D.

QuestionAnswer
conglomerate quartz and feldspar dominate, smooth pebbles
red sandstone mostly quartz
argillaceous sandstone sand sized grain
shale clay and weathered, feldspar [kaolin] mica
limestone calcite (CaCO3), reacts to HCL
bituminous coal dead ferns and other plants that have decayed
chert quartz and muscvite [chalcedony = very compact quartz or agate]
gneiss light layer -> quartz (granite f...), dark layer ... mica (FeMg)
schist mica/kaolin
quartzite quartz
slate small mud or clay [kaolin]
marble calcite therefore reacts to HCL
Created by: moertel
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