Formation of Tephrite

Tephrite

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1 Formation

1.1 Formation

Tephrite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

1.2 Composition

1.2.1 Mineral Content

Alkali feldspar, Nepheline, Plagioclase, Pyroxene

1.2.2 Compound Content

CaO, Carbon Dioxide, MgO, 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

Cataclastic Metamorphism, Contact 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, Sea Erosion, Water Erosion

Igneous Rocks » More

Ijolite

Monzogranite

Tachylite

Latite

Lherzolite

Pantellerite

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Tephrite Formation

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

Tephrite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

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