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Phonolite
Phonolite




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Formation of Phonolite

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1 Formation
1.1 Formation
Phonolite are formed due to alkaline igneous activities and are generally formed in thick continental crustal areas or in Cordilleran subduction zones.
1.2 Composition
1.2.1 Mineral Content
Albite, Amphibole, Biotite, Cancrinite, Feldspar, Hornblende, Plagioclase, Pyroxene, Sodalite
1.2.2 Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
1.3 Transformation
1.3.1 Metamorphism
97% Igneous Rocks Rocks have it !
1.3.2 Types of Metamorphism
Contact Metamorphism
1.3.3 Weathering
99% Igneous Rocks Rocks have it !
1.3.4 Types of Weathering
Chemical Weathering, Mechanical Weathering
1.3.5 Erosion
92% Igneous Rocks Rocks have it !
1.3.6 Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion, Wind Erosion

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:

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

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

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