4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification.

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Presentation transcript:

4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and Minerals December 17, 2015 Vocabulary 1.Felsic 2.Mafic 3.Vesicular 1.Felsic 2.Mafic 3.Vesicular

Rocks and Minerals December 17, 2015 Felsic Rocks

Rocks and Minerals December 17, 2015 Felsic Rocks  Light in color.

Rocks and Minerals December 17, 2015 Felsic Rocks  Light in color.  Low in density.

Rocks and Minerals December 17, 2015 Felsic Rocks  Light in color.  Low in density.  Forms at a lower temperature.

Rocks and Minerals December 17, 2015 Felsic Rocks  Light in color.  Low in density.  Forms at a lower temperature.  Potassium Feldspar

Rocks and Minerals December 17, 2015 Felsic Rocks  Light in color.  Low in density.  Forms at a lower temperature.  Potassium Feldspar  Quartz

Rocks and Minerals December 17, 2015 Felsic Rocks  Light in color.  Low in density.  Forms at a lower temperature.  Potassium Feldspar  Quartz  Plagioclase Feldspar

Rocks and Minerals December 17, 2015 Felsic Rocks  Light in color.  Low in density.  Forms at a lower temperature.  Potassium Feldspar  Quartz  Plagioclase Feldspar  Biotite Mica

Rocks and Minerals December 17, 2015 Felsic Rocks  Light in color.  Low in density.  Forms at a lower temperature.  Potassium Feldspar  Quartz  Plagioclase Feldspar  Biotite Mica  Amphibole

Rocks and Minerals December 17, 2015 Obsidian

Rocks and Minerals December 17, 2015 Obsidian  Texture is crystalline.

Rocks and Minerals December 17, 2015 Obsidian  Texture is crystalline.  Despite being felsic, it is dark in appearance, the exception to the felsic rule.  Texture is crystalline.  Despite being felsic, it is dark in appearance, the exception to the felsic rule.

Rocks and Minerals December 17, 2015 Obsidian  Texture is crystalline.  Despite being felsic, it is dark in appearance, the exception to the felsic rule.  Extrusive  Texture is crystalline.  Despite being felsic, it is dark in appearance, the exception to the felsic rule.  Extrusive

Rocks and Minerals December 17, 2015 Pumice

Rocks and Minerals December 17, 2015 Pumice  Texture is glassy but has vesicles, holes.

Rocks and Minerals December 17, 2015 Pumice  Texture is glassy but has vesicles, holes.  It cooled so quickly that minerals didn’t have time to form.

Rocks and Minerals December 17, 2015 Pumice  Texture is glassy but has vesicles, holes.  It cooled so quickly that minerals didn’t have time to form.  Extrusive

Rocks and Minerals December 17, 2015 Vesicular Rhyolite

Rocks and Minerals December 17, 2015 Vesicular Rhyolite  It is an extrusive rock; formed form lava.

Rocks and Minerals December 17, 2015 Vesicular Rhyolite  It is an extrusive rock; formed form lava.  Minerals are less than 1mm.  It is an extrusive rock; formed form lava.  Minerals are less than 1mm.

Rocks and Minerals December 17, 2015 Vesicular Rhyolite  It is an extrusive rock; formed form lava.  Minerals are less than 1mm.  Extrusive  It is an extrusive rock; formed form lava.  Minerals are less than 1mm.  Extrusive

Rocks and Minerals December 17, 2015 Rhyolite

Rocks and Minerals December 17, 2015 Rhyolite  It is an extrusive rock; formed form lava.

Rocks and Minerals December 17, 2015 Rhyolite  It is an extrusive rock; formed form lava.  The crystals are less than 1 mm.

Rocks and Minerals December 17, 2015 Rhyolite  It is an extrusive rock; formed form lava.  The crystals are less than 1 mm.  Extrusive

Rocks and Minerals December 17, 2015 Granite

Rocks and Minerals December 17, 2015 Granite  Intrusive rock formed from magma.

Rocks and Minerals December 17, 2015 Granite  Intrusive rock formed from magma.  It has course texture.  Intrusive rock formed from magma.  It has course texture.

Rocks and Minerals December 17, 2015 Granite  Intrusive rock formed from magma.  It has course texture.  Crystal size is between mm.  Intrusive rock formed from magma.  It has course texture.  Crystal size is between mm.

Rocks and Minerals December 17, 2015 Granite  Intrusive rock formed from magma.  It has course texture.  Crystal size is between mm.  Intrusive  Intrusive rock formed from magma.  It has course texture.  Crystal size is between mm.  Intrusive

Rocks and Minerals December 17, 2015 Pegmatite

Rocks and Minerals December 17, 2015 Pegmatite  Formed from magma.

Rocks and Minerals December 17, 2015 Pegmatite  Formed from magma.  Texture is very course.

Rocks and Minerals December 17, 2015 Pegmatite  Formed from magma.  Texture is very course.  The crystal size is 10 mm.

Rocks and Minerals December 17, 2015 Pegmatite  Formed from magma.  Texture is very course.  The crystal size is 10 mm.  Intrusive

Rocks and Minerals December 17, 2015 Mafic Rocks

Rocks and Minerals December 17, 2015 Mafic Rocks  Dark in color.

Rocks and Minerals December 17, 2015 Mafic Rocks  Dark in color.  High in density.  Dark in color.  High in density.

Rocks and Minerals December 17, 2015 Mafic Rocks  Dark in color.  High in density.  Forms at a higher temperature.  Dark in color.  High in density.  Forms at a higher temperature.

Rocks and Minerals December 17, 2015 Mafic Rocks  Dark in color.  High in density.  Forms at a higher temperature.  Plagioclase Feldspar  Dark in color.  High in density.  Forms at a higher temperature.  Plagioclase Feldspar

Rocks and Minerals December 17, 2015 Mafic Rocks  Dark in color.  High in density.  Forms at a higher temperature.  Plagioclase Feldspar  Biotite Mica  Dark in color.  High in density.  Forms at a higher temperature.  Plagioclase Feldspar  Biotite Mica

Rocks and Minerals December 17, 2015 Mafic Rocks  Dark in color.  High in density.  Forms at a higher temperature.  Plagioclase Feldspar  Biotite Mica  Pyroxyene  Dark in color.  High in density.  Forms at a higher temperature.  Plagioclase Feldspar  Biotite Mica  Pyroxyene

Rocks and Minerals December 17, 2015 Mafic Rocks  Dark in color.  High in density.  Forms at a higher temperature.  Plagioclase Feldspar  Biotite Mica  Pyroxyene  Amphibole  Dark in color.  High in density.  Forms at a higher temperature.  Plagioclase Feldspar  Biotite Mica  Pyroxyene  Amphibole

Rocks and Minerals December 17, 2015 Mafic Rocks  Dark in color.  High in density.  Forms at a higher temperature.  Plagioclase Feldspar  Biotite Mica  Pyroxyene  Amphibole  Olivine  Dark in color.  High in density.  Forms at a higher temperature.  Plagioclase Feldspar  Biotite Mica  Pyroxyene  Amphibole  Olivine

Rocks and Minerals December 17, 2015 Basaltic Glass

Rocks and Minerals December 17, 2015 Basaltic Glass  Glassy in texture.

Rocks and Minerals December 17, 2015 Basaltic Glass  Glassy in texture.  Non-crystalline.

Rocks and Minerals December 17, 2015 Basaltic Glass  Glassy in texture.  Non-crystalline.  Can be light in color.

Rocks and Minerals December 17, 2015 Basaltic Glass  Glassy in texture.  Non-crystalline.  Can be light in color.  Also know as Pele hair

Rocks and Minerals December 17, 2015 Basaltic Glass  Glassy in texture.  Non-crystalline.  Can be light in color.  Also know as Pele hair

Rocks and Minerals December 17, 2015 Basaltic Glass  Glassy in texture.  Non-crystalline.  Can be light in color.  Also know as Pele hair  Extrusive

Rocks and Minerals December 17, 2015 Scoria

Rocks and Minerals December 17, 2015 Scoria  Glassy in Texture.

Rocks and Minerals December 17, 2015 Scoria  Glassy in Texture.  Non-crystalline.  Glassy in Texture.  Non-crystalline.

Rocks and Minerals December 17, 2015 Scoria  Glassy in Texture.  Non-crystalline.  Vesicles indicate rapid cooling.  Glassy in Texture.  Non-crystalline.  Vesicles indicate rapid cooling.

Rocks and Minerals December 17, 2015 Scoria  Glassy in Texture.  Non-crystalline.  Vesicles indicate rapid cooling.  Extrusive  Glassy in Texture.  Non-crystalline.  Vesicles indicate rapid cooling.  Extrusive

Rocks and Minerals December 17, 2015 Vesicular Basalt

Rocks and Minerals December 17, 2015 Vesicular Basalt  Fine texture.

Rocks and Minerals December 17, 2015 Vesicular Basalt  Fine texture.  Crystal size less than 1 mm.

Rocks and Minerals December 17, 2015 Vesicular Basalt  Fine texture.  Crystal size less than 1 mm.  Vesicular.

Rocks and Minerals December 17, 2015 Vesicular Basalt  Fine texture.  Crystal size less than 1 mm.  Vesicular.  Extrusive

Rocks and Minerals December 17, 2015 Basalt

Rocks and Minerals December 17, 2015 Basalt  Fine texture.

Rocks and Minerals December 17, 2015 Basalt  Fine texture.  Crystals lass than 1 mm.  Fine texture.  Crystals lass than 1 mm.

Rocks and Minerals December 17, 2015 Basalt  Fine texture.  Crystals lass than 1 mm.  Extrusive  Fine texture.  Crystals lass than 1 mm.  Extrusive

Rocks and Minerals December 17, 2015 Diabase

Rocks and Minerals December 17, 2015 Diabase  Texture runs from fine to coarse.

Rocks and Minerals December 17, 2015 Diabase  Texture runs from fine to coarse.  Palisades are formed from diabase.

Rocks and Minerals December 17, 2015 Diabase  Texture runs from fine to coarse.  Palisades are formed from diabase.

Rocks and Minerals December 17, 2015 Diabase  Texture runs from fine to coarse.  Palisades are formed from diabase.  Can be either extrusive or intrusive.

Rocks and Minerals December 17, 2015 Gabbro

Rocks and Minerals December 17, 2015 Gabbro  Texture is course.

Rocks and Minerals December 17, 2015 Gabbro  Texture is course.  Grain size from mm.  Texture is course.  Grain size from mm.

Rocks and Minerals December 17, 2015 Gabbro  Texture is course.  Grain size from mm.  Intrusive  Texture is course.  Grain size from mm.  Intrusive

Rocks and Minerals December 17, 2015 Peridotite

Rocks and Minerals December 17, 2015 Peridotite  Course texture.

Rocks and Minerals December 17, 2015 Peridotite  Course texture.  Crystal size mm.

Rocks and Minerals December 17, 2015 Peridotite  Course texture.  Crystal size mm.  Mineral Identification

Rocks and Minerals December 17, 2015 Peridotite  Course texture.  Crystal size mm.  Mineral Identification  Pyroxene

Rocks and Minerals December 17, 2015 Peridotite  Course texture.  Crystal size mm.  Mineral Identification  Pyroxene  Olivine

Rocks and Minerals December 17, 2015 Peridotite  Course texture.  Crystal size mm.  Mineral Identification  Pyroxene  Olivine  Intrusive

Rocks and Minerals December 17, 2015 Dunite  Texture is course.

Rocks and Minerals December 17, 2015 Dunite  Texture is course.

Rocks and Minerals December 17, 2015 Dunite  Texture is course.  Crystal size is mm.  Texture is course.  Crystal size is mm.

Rocks and Minerals December 17, 2015 Dunite  Texture is course.  Crystal size is mm.  It is unique that it only contains the mineral olivine.  Texture is course.  Crystal size is mm.  It is unique that it only contains the mineral olivine.

Rocks and Minerals December 17, 2015 Dunite  Texture is course.  Crystal size is mm.  It is unique that it only contains the mineral olivine.  It is monomineralic.  Texture is course.  Crystal size is mm.  It is unique that it only contains the mineral olivine.  It is monomineralic.

Rocks and Minerals December 17, 2015 Dunite  Texture is course.  Crystal size is mm.  It is unique that it only contains the mineral olivine.  It is monomineralic.  Intrusive  Texture is course.  Crystal size is mm.  It is unique that it only contains the mineral olivine.  It is monomineralic.  Intrusive