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Page 1: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

http://www.youtube.com/watch?v=wv4M4wror58

ROCK

Composed of one or more minerals

Classified by

1. Origin – how they were formed

2. Mineral Content

3. Texture

ROCK

Composed of one or more minerals

Classified by

1. Origin – how they were formed

2. Mineral Content

3. Texture

IGNEOUS ROCKS

ESRT Page 6http://www.youtube.com/watch?v=aCnAF1Opt8M

http://www.youtube.com/watch?v=aCnAF1Opt8M

Page 5: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Page 6: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Formation

• Solidification of magma• Made up of inter grown mineral crystals

• Environments a. Magma – below ground b. Lava – above ground

Page 7: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

a. Texture

Determined by the rate of cooling, refers to the size, shape and arrangement of crystals which grew out of the cooling magma/lava

Page 8: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

1. Intrusive

• You can visibly see the ____________

• cooled slowly, deep beneath the Earth’s surface

• large to medium crystals

Mineral crystals

Page 9: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Pegmatite – Very Coarse Texture

Page 10: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Granite - Coarse Texture

Page 11: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

2. Extrusive• Very small or no _______________

• cooled quickly on earth’s surface

• glassy to fine (can see with a hand lens) crystals

Mineral crystals

Page 12: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

3. Porphyritic

• Contains crystals of two markedly different sizes

• identify with the majority of crystals

Page 13: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

4. Vesicular

• Porous from trapped gas pockets

Page 14: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

b. Color

Based on the mineral content or what it is made of

Page 15: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Mafic

Dark colored, high in Iron (Fe) and Magnesium (Mg), more dense

Page 16: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Felsic

• Light colored, high in Aluminum (Al) and Silicon (Si), less dense

Page 17: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Page 18: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Page 19: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Page 20: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Page 21: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Page 22: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Page 23: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

HOW DO YOU KNOW ITS AN IGNEOUS ROCK

1.Mineral Crystals or

2.Vesicular – Gas pockets

Page 24: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

Order in which minerals crystallize from a cooling magma/lava to form igneous rocks

Page 25: Http:// v=wv4M4wror58. ROCK Composed of one or more minerals Classified by 1.Origin – how they were formed 2.Mineral Content 3.Texture

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coachmarker.weebly.com...Latin word ignis, meaning "fire." Igneous rocks are classified according to their origin, texture, and mineral composition. Origin Igneous rock may form on

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Grey level co-occurrence matrix and its application to seismic data › pdf › papers › 2015_FirstBreak_Eichkitz.pdf · define texture as composed of well-defined textural elements

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Igneous Rocks - University of Floridaplaza.ufl.edu/kusali/gly1150/Igneous Rocks.pdf · Igneous rocks are classified based on their:-texture-composition Igneous textures 1. Glassy-

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http:// v=wv4m4wror58. rock composed of one or more minerals classified by 1.origin – how they...

Documents

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arrangement of crystals

porphyriticcontains

rate of cooling

cooling magmalava1

mineral crystalsenvironments

earths surfacelarge

earths surfaceglassy