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Formation of Phonolite



Formation

Formation
Phonolite are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones.

Composition

Mineral Content
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite

Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide

Transformation

Metamorphism
Yes

Types of Metamorphism
Contact Metamorphism

Weathering
Yes

Types of Weathering
Chemical Weathering, Mechanical Weathering

Erosion
Yes

Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

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Igneous Rocks

Phonolite Formation

Phonolite formation took place millions of years ago. There are a variety of Phonolite Uses and the Phonolite 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 Phonolite is explained below:

Along with Phonolite Formation, also learn about Phonolite composition and transformation in the next section.

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