Formation of Andesite

Andesite

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1 Formation

1.1 Formation

Andesite is a fine-grained igneous rock that forms when the magma is erupted onto the surface and is crystallized quickly.

1.2 Composition

1.2.1 Mineral Content

Amphibole, Apatite, Biotite, Feldspar, Garnet, Hornblade, Ilmenite, Magnetite, Plagioclase, Pyroxene, Zircon

1.2.2 Compound Content

Silicon Dioxide

1.3 Transformation

1.3.1 Metamorphism

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97% Igneous Rocks Rocks have it !

1.3.2 Types of Metamorphism

Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

1.3.3 Weathering

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99% Igneous Rocks Rocks have it !

1.3.4 Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering

1.3.5 Erosion

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92% Igneous Rocks Rocks have it !

1.3.6 Types of Erosion

Chemical Erosion, Coastal Erosion, Glacier Erosion

Igneous Rocks » More

Scoria

Peridotite

Porphyry

Kimberlite

Pegmatite

Granodiorite

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Andesite Formation

Andesite formation took place millions of years ago. There are a variety of Andesite Uses and the Andesite Reserves are found in many countries around the world. The rocks in the earth’s crust continuously undergo changes in their composition which leads to formation of other rocks. Each rock has a unique formation process. Formation of Andesite is explained below: