4:55 am october 24, 2011sanders unit 2: rocks and minerals 2-5 igneous rock identification

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October 24, 2011 Sanders 11:53 PM Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

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Page 1: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

October 24, 2011 Sanders 05:21 PM

Unit 2: Rocks and MineralsUnit 2: Rocks and Minerals

2-5 Igneous Rock Identification

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

Rocks and MineralsApril 21, 2023

VocabularyVocabulary

1. Felsic 2. Mafic 3. Vesicular

1. Felsic 2. Mafic 3. Vesicular

Page 3: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Felsic RocksFelsic Rocks

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

Rocks and MineralsApril 21, 2023

Felsic RocksFelsic Rocks

Light in color. Light in color.

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

Rocks and MineralsApril 21, 2023

Felsic RocksFelsic Rocks

Light in color. Low in density.

Light in color. Low in density.

Page 6: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Felsic RocksFelsic Rocks

Light in color. Low in density. Forms at a lower

temperature.

Light in color. Low in density. Forms at a lower

temperature.

Page 7: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Felsic RocksFelsic Rocks

Light in color. Low in density. Forms at a lower

temperature. Potassium Feldspar

Light in color. Low in density. Forms at a lower

temperature. Potassium Feldspar

Page 8: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Felsic RocksFelsic Rocks

Light in color. Low in density. Forms at a lower

temperature. Potassium Feldspar Quartz

Light in color. Low in density. Forms at a lower

temperature. Potassium Feldspar Quartz

Page 9: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Felsic RocksFelsic Rocks

Light in color. Low in density. Forms at a lower

temperature. Potassium Feldspar Quartz Plagioclase Feldspar

Light in color. Low in density. Forms at a lower

temperature. Potassium Feldspar Quartz Plagioclase Feldspar

Page 10: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Felsic RocksFelsic Rocks

Light in color. Low in density. Forms at a lower

temperature. Potassium Feldspar Quartz Plagioclase Feldspar Biotite Mica

Light in color. Low in density. Forms at a lower

temperature. Potassium Feldspar Quartz Plagioclase Feldspar Biotite Mica

Page 11: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Felsic RocksFelsic Rocks

Light in color. Low in density. Forms at a lower

temperature. Potassium Feldspar Quartz Plagioclase Feldspar Biotite Mica Amphibole

Light in color. Low in density. Forms at a lower

temperature. Potassium Feldspar Quartz Plagioclase Feldspar Biotite Mica Amphibole

Page 12: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

ObsidianObsidian

Page 13: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

ObsidianObsidian

Texture is crystalline.

Texture is crystalline.

Page 14: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

ObsidianObsidian

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.

Page 15: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

ObsidianObsidian

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

Page 16: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PumicePumice

Page 17: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PumicePumice

Texture is glassy but has vesicles, holes.

Texture is glassy but has vesicles, holes.

Page 18: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PumicePumice

Texture is glassy but has vesicles, holes.

It cooled so quickly that minerals didn’t have time to form.

Texture is glassy but has vesicles, holes.

It cooled so quickly that minerals didn’t have time to form.

Page 19: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PumicePumice

Texture is glassy but has vesicles, holes.

It cooled so quickly that minerals didn’t have time to form.

Extrusive

Texture is glassy but has vesicles, holes.

It cooled so quickly that minerals didn’t have time to form.

Extrusive

Page 20: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Vesicular RhyoliteVesicular Rhyolite

Page 21: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Vesicular RhyoliteVesicular Rhyolite

It is an extrusive rock; formed form lava.

It is an extrusive rock; formed form lava.

Page 22: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Vesicular RhyoliteVesicular 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.

Page 23: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Vesicular RhyoliteVesicular 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

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

Rocks and MineralsApril 21, 2023

RhyoliteRhyolite

Page 25: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

RhyoliteRhyolite

It is an extrusive rock; formed form lava.

It is an extrusive rock; formed form lava.

Page 26: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

RhyoliteRhyolite

It is an extrusive rock; formed form lava.

The crystals are less than 1 mm.

It is an extrusive rock; formed form lava.

The crystals are less than 1 mm.

Page 27: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

RhyoliteRhyolite

It is an extrusive rock; formed form lava.

The crystals are less than 1 mm. Extrusive

It is an extrusive rock; formed form lava.

The crystals are less than 1 mm. Extrusive

Page 28: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

GraniteGranite

Page 29: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

GraniteGranite

Intrusive rock formed from magma.

Intrusive rock formed from magma.

Page 30: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

GraniteGranite

Intrusive rock formed from magma.

It has course texture.

Intrusive rock formed from magma.

It has course texture.

Page 31: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

GraniteGranite

Intrusive rock formed from magma.

It has course texture.

Crystal size is between 1 - 10 mm.

Intrusive rock formed from magma.

It has course texture.

Crystal size is between 1 - 10 mm.

Page 32: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

GraniteGranite

Intrusive rock formed from magma.

It has course texture.

Crystal size is between 1 - 10 mm. Intrusive

Intrusive rock formed from magma.

It has course texture.

Crystal size is between 1 - 10 mm. Intrusive

Page 33: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PegmatitePegmatite

Page 34: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PegmatitePegmatite

Formed from magma.

Formed from magma.

Page 35: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PegmatitePegmatite

Formed from magma.

Texture is very course.

Formed from magma.

Texture is very course.

Page 36: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PegmatitePegmatite

Formed from magma.

Texture is very course.

The crystal size is 10 mm.

Formed from magma.

Texture is very course.

The crystal size is 10 mm.

Page 37: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PegmatitePegmatite

Formed from magma.

Texture is very course.

The crystal size is 10 mm. Intrusive

Formed from magma.

Texture is very course.

The crystal size is 10 mm. Intrusive

Page 38: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Mafic RocksMafic Rocks

Page 39: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Mafic RocksMafic Rocks

Dark in color. Dark in color.

Page 40: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Mafic RocksMafic Rocks

Dark in color. High in density.

Dark in color. High in density.

Page 41: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Mafic RocksMafic Rocks

Dark in color. High in density. Forms at a higher

temperature.

Dark in color. High in density. Forms at a higher

temperature.

Page 42: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Mafic RocksMafic 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

Page 43: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Mafic RocksMafic 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

Page 44: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Mafic RocksMafic 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

Page 45: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Mafic RocksMafic 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

Page 46: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Mafic RocksMafic 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

Page 47: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Basaltic GlassBasaltic Glass

Page 48: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Basaltic GlassBasaltic Glass

Glassy in texture. Glassy in texture.

Page 49: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Basaltic GlassBasaltic Glass

Glassy in texture. Non-crystalline.

Glassy in texture. Non-crystalline.

Page 50: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Basaltic GlassBasaltic Glass

Glassy in texture. Non-crystalline. Can be light in

color.

Glassy in texture. Non-crystalline. Can be light in

color.

Page 51: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Basaltic GlassBasaltic Glass

Glassy in texture. Non-crystalline. Can be light in

color. Also know as Pele

hair

Glassy in texture. Non-crystalline. Can be light in

color. Also know as Pele

hair

Page 52: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Basaltic GlassBasaltic Glass

Glassy in texture. Non-crystalline. Can be light in

color. Also know as Pele

hair

Glassy in texture. Non-crystalline. Can be light in

color. Also know as Pele

hair

Page 53: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Basaltic GlassBasaltic Glass

Glassy in texture. Non-crystalline. Can be light in

color. Also know as Pele

hair

Extrusive

Glassy in texture. Non-crystalline. Can be light in

color. Also know as Pele

hair

Extrusive

Page 54: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

ScoriaScoria

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

Rocks and MineralsApril 21, 2023

ScoriaScoria

Glassy in Texture. Glassy in Texture.

Page 56: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

ScoriaScoria

Glassy in Texture. Non-crystalline.

Glassy in Texture. Non-crystalline.

Page 57: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

ScoriaScoria

Glassy in Texture. Non-crystalline. Vesicles indicate

rapid cooling.

Glassy in Texture. Non-crystalline. Vesicles indicate

rapid cooling.

Page 58: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

ScoriaScoria

Glassy in Texture. Non-crystalline. Vesicles indicate

rapid cooling. Extrusive

Glassy in Texture. Non-crystalline. Vesicles indicate

rapid cooling. Extrusive

Page 59: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Vesicular BasaltVesicular Basalt

Page 60: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Vesicular BasaltVesicular Basalt

Fine texture. Fine texture.

Page 61: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Vesicular BasaltVesicular Basalt

Fine texture. Crystal size less

than 1 mm.

Fine texture. Crystal size less

than 1 mm.

Page 62: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Vesicular BasaltVesicular Basalt

Fine texture. Crystal size less

than 1 mm. Vesicular.

Fine texture. Crystal size less

than 1 mm. Vesicular.

Page 63: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

Vesicular BasaltVesicular Basalt

Fine texture. Crystal size less

than 1 mm. Vesicular.

Extrusive

Fine texture. Crystal size less

than 1 mm. Vesicular.

Extrusive

Page 64: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

BasaltBasalt

Page 65: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

BasaltBasalt

Fine texture. Fine texture.

Page 66: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

BasaltBasalt

Fine texture. Crystals lass than

1 mm.

Fine texture. Crystals lass than

1 mm.

Page 67: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

BasaltBasalt

Fine texture. Crystals lass than

1 mm. Extrusive

Fine texture. Crystals lass than

1 mm. Extrusive

Page 68: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

DiabaseDiabase

Page 69: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

DiabaseDiabase

Texture runs from fine to coarse.

Texture runs from fine to coarse.

Page 70: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

DiabaseDiabase

Texture runs from fine to coarse.

Palisades are formed from diabase.

Texture runs from fine to coarse.

Palisades are formed from diabase.

Page 71: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

DiabaseDiabase

Texture runs from fine to coarse.

Palisades are formed from diabase.

Texture runs from fine to coarse.

Palisades are formed from diabase.

Page 72: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

DiabaseDiabase

Texture runs from fine to coarse.

Palisades are formed from diabase. Can be either

extrusive or intrusive.

Texture runs from fine to coarse.

Palisades are formed from diabase. Can be either

extrusive or intrusive.

Page 73: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

GabbroGabbro

Page 74: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

GabbroGabbro

Texture is course. Texture is course.

Page 75: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

GabbroGabbro

Texture is course. Grain size from 1

- 10 mm.

Texture is course. Grain size from 1

- 10 mm.

Page 76: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

GabbroGabbro

Texture is course. Grain size from 1

- 10 mm. Intrusive

Texture is course. Grain size from 1

- 10 mm. Intrusive

Page 77: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PeridotitePeridotite

Page 78: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PeridotitePeridotite

Course texture. Course texture.

Page 79: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PeridotitePeridotite

Course texture. Crystal size 1 - 10

mm.

Course texture. Crystal size 1 - 10

mm.

Page 80: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PeridotitePeridotite

Course texture. Crystal size 1 - 10

mm. Mineral

Identification

Course texture. Crystal size 1 - 10

mm. Mineral

Identification

Page 81: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PeridotitePeridotite

Course texture. Crystal size 1 - 10

mm. Mineral

Identification Pyroxene

Course texture. Crystal size 1 - 10

mm. Mineral

Identification Pyroxene

Page 82: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PeridotitePeridotite

Course texture. Crystal size 1 - 10

mm. Mineral

Identification Pyroxene Olivine

Course texture. Crystal size 1 - 10

mm. Mineral

Identification Pyroxene Olivine

Page 83: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

PeridotitePeridotite

Course texture. Crystal size 1 - 10

mm. Mineral

Identification Pyroxene Olivine

Intrusive

Course texture. Crystal size 1 - 10

mm. Mineral

Identification Pyroxene Olivine

Intrusive

Page 84: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

DuniteDunite

Texture is course. Texture is course.

Page 85: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

DuniteDunite

Texture is course. Texture is course.

Page 86: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

DuniteDunite

Texture is course. Crystal size is 1 - 10

mm.

Texture is course. Crystal size is 1 - 10

mm.

Page 87: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

DuniteDunite

Texture is course. Crystal size is 1 - 10

mm. It is unique that it

only contains the mineral olivine.

Texture is course. Crystal size is 1 - 10

mm. It is unique that it

only contains the mineral olivine.

Page 88: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

DuniteDunite

Texture is course. Crystal size is 1 - 10

mm. It is unique that it

only contains the mineral olivine.

It is monomineralic.

Texture is course. Crystal size is 1 - 10

mm. It is unique that it

only contains the mineral olivine.

It is monomineralic.

Page 89: 4:55 AM October 24, 2011Sanders Unit 2: Rocks and Minerals 2-5 Igneous Rock Identification

Rocks and MineralsApril 21, 2023

DuniteDunite

Texture is course. Crystal size is 1 - 10

mm. It is unique that it

only contains the mineral olivine.

It is monomineralic. Intrusive

Texture is course. Crystal size is 1 - 10

mm. It is unique that it

only contains the mineral olivine.

It is monomineralic. Intrusive