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EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and freezes. Igneous Rock Primer CLASSROOM UNSQUARED

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Page 1: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

EARTH MATERIALSEQ:What are igneous rocks?

An igneous rock is a naturally occurring solid that forms from a hot liquid

mineral assemblage that cools and freezes.

Igneous Rock Primer

CLASSROOMUNSQUARED

Page 2: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

Igneous Rock Classification (Identification Key)

COMPOSITION

TEXTURE

Felsic(light color)

Intermediate

Mafic(dark color)

Ultramafic

Large Crystals(Intrusive or Plutonic) Granite Diorite Gabbro

Peridotite

Fine/no Crystals(Extrusive or Volcanic) Rhyolite Andesite Basalt

Large and Fine Crystals Porphyry

Vesicular(Extrusive) Pumice Scoria

Glassy(Extrusive) Obsidian

Fragmented(Extrusive) Tuff

QuartzOrthoclaseNa-plagioclaseMuscovite

Na-Ca plag.Amphibole

Ca-plag.Pyroxene

PyroxeneOlivine

Page 3: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and
Page 4: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

Name and classify these rocks!

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Page 5: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

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Page 6: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

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Page 7: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

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Page 8: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

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Page 9: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

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Page 11: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

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Page 12: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

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Page 13: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

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Page 14: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

Answers to ID Test1. Felsic intrusive - granite2. Felsic extrusive - rhyolite3. Mafic extrusive - basalt4. Mafic intrusive - gabbro5. Mafic vesicular - scoria6. Mafic glassy - obsidian7. Intermediate intrusive - diorite8. Intermediate extrusive – andesite9. Intermediate fragmented - tuff10. Intermediate int./ext. – porphyry

Page 15: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and
Page 16: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

Separation of Minerals in a Partial Melt

Page 17: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

Igneous Rock Bodies

Page 18: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

Mafic Composition

Felsic Composition

Page 19: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

What are these volcanic features?

Page 20: EARTH MATERIALS EQ:What are igneous rocks? An igneous rock is a naturally occurring solid that forms from a hot liquid mineral assemblage that cools and

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