Warm-Up: Describe the texture and composition of each igneous rock. A B.

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Warm-Up : Describe the texture and composition of each igneous rock. A B

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Transcript of Warm-Up: Describe the texture and composition of each igneous rock. A B.

Page 1: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Warm-Up:Describe the texture and composition of each igneous rock.

A B

Page 2: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Definition of A RockA naturally occurring, solid, mixture of one or more minerals or organic matter

Classified into 3 groups based on how they are formed: igneous, sedimentary, and metamorphic

Texture and composition give clues as to how rocks are formed, and are used to classify and identify rocks

Rocks are always changing form in a cycle called the Rock Cycle

Rocks Rock!Rocks Rock!

Page 3: Warm-Up: Describe the texture and composition of each igneous rock. A B.
Page 4: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Igneous RocksExtrusive rocks- formed by cooling lava

Texture Can Be:• glassy • porous • fine-grained

Intrusive rocks- formed by cooling magma

Texture Is Always: • coarse-grained

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Formation of Extrusive Igneous Rock

Page 6: Warm-Up: Describe the texture and composition of each igneous rock. A B.
Page 7: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Igneous Features and Landforms

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Extrusive Igneous Rock

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Formation of Intrusive Igneous Rock

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Intrusive Igneous Rock

Yosemite N.P.

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Examples of Textures: Pumice

Porous Texture

Basalt

Obsidian

Course Grained Texture

Granite

Porous Texture

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Sedimentary Rocks Formed by:

Weathering (breaking down of rock)

Erosion (movement of sediments)

Deposition (collection of sediments)

Compaction & Cementation (sediments bonding together)

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Two Types of Weathering1. Mechanical Weathering

Root Action

Frost Action

Moss

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Types of Weathering2. Chemical Weathering:

Oxidation (rust) – Oxygen in air reacts with metals in rocks

Acidic rain water

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Page 16: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Physical Weathering

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Five Agents of Erosion

Gravity (Mass wasting)WindRunning waterGlaciersWaves

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Gravity (Mass Wasting)

Slumping

Soil creep

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Page 20: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Mass Movements: Five Main Types

Page 21: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Wind

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Running Water

Yellowstone Canyon & River

Niagara Falls

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Glaciers

Page 24: Warm-Up: Describe the texture and composition of each igneous rock. A B.
Page 25: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Glacial Processes I

Page 26: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Waves

Australia

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Examples of Deposition

Lateral moraine

Cape Cod (spit)

Nile River Delta

Page 28: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Compaction & Cementation

Page 29: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Sedimentary Rocks (categorized by composition)

Clastic Rocks (rock fragments) • Conglomerates (pebbles) • Sandstones (sand) • Shales (mud & clay)

Organic Rocks (once living) • Ex: limestone(coral and shells), coal (plants)

Chemical Rocks (evaporation)• Ex: rock salt, limestone, geodes, gypsum

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Clastic Sedimentary Rock…Conglomerate

Shale

Sandstone

Page 31: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Organic Sedimentary Rocks…

Coal (plant mateiral) Limestone (shell & coral)

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Chemical Sedimentary Rocks…

Limestone

Gypsum rock

Geode

Page 33: Warm-Up: Describe the texture and composition of each igneous rock. A B.

Sedimentary rocks according to texture:

Coarse-grained

Conglomerate

Shale

Sandstone

Fine-grained Medium-grained

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Formation of Metamorphic Rock

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Types of Metamorphic Rock

1. Foliated - bands or layers Ex: schist, slate, gneiss

Gneiss

Slate

Page 36: Warm-Up: Describe the texture and composition of each igneous rock. A B.

2. Unfoliated - no bands or layersEx: marble and quartzite

Types of Metamorphic Rock

Quartzite

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Foliated texture

Unfoliated Texture


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Igneous Rocks and Their Origin - csun.edudsw/chap5_volc.pdf · Igneous Rock Textures • Texture refers to the size, shape and arrangement of grains • Texture of igneous rocks is

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lmsplanner8.weebly.comlmsplanner8.weebly.com/uploads/2/4/3/1/2431484/igneous_key.pdf · Igneous rocks are classified by origin, texture, and composition. Detail S S Classifying Igneous

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Igneous Sedimentary Metamorphic. Igneous Sedimentary Metamorphic FIRE.

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Rocks Section 2 Section 2: Igneous Rock Preview Objectives The Formation of Magma Textures of Igneous Rocks Composition of Igneous Rock Intrusive Igneous.

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Key Terms: rock, petrology, color, texture, grain, coarse grain, fine grain, rounded, angular, spherical, igneous rock, sedimentary rock, metamorphic rock.

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Classifying Igneous Rocksmonacheshearerscience.weebly.com/.../3_classifying_igneous_rocks.pdf · Classification of Igneous Rocks . Formation of Igneous Rocks Pyroclasts Extrusive

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6. Classifying Igneous Rocks Igneous rocks are classified by their TEXTURE and their COMPOSITION TEXTURE INTRUSIVE IGNEOUS ROCKS (Plutonic) rocks that.

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Reporters: Abanilla Yap Ycon. Rock microstructure the texture of a rock and the small scale rock structures. The microstructure of igneous, metamorphic.

Reporters: Abanilla Yap Ycon. Rock microstructure the texture of a rock and the small scale rock structures. The microstructure of igneous, metamorphic.

Texture of Igneous Rocks in thin Section

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