Rocks and Minerals
Terms
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- basalts
- extrusive igneous rock generally found in lava flows, more dense than intrusive rocks
- calcite (m)
- calcium carbonate CaCO3, made by biological activity or from precipitation or evaporation of water
- Clays (kaolinite
- highly weathered silicates commonly found in GA
- Feldspars (silicates)
- found in granite
- granites
- intrusive rock commonly found on continents
- halite (NaCl) and gypsum (MgSO4)
- evaporates from ocean waters
- limestone
- sedimentary rock made up of mainly calcium carbonate
- marble
- metamorphic limestone
- olivine (m)
- green mineral- found in basalts and are mainly from lava flows
- sandstone
- sedimentary rock made from sand