Formation
Flint is formed by the decomposition and compaction of various organisms such as sponges and diatoms under the water.
Comendite is a type of Igneous rock which is formed due to cooling and solidification of lava or magma. It may form with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
Composition
Mineral Content
Silicon
Albite, Amphibole, Quartz
Compound Content
Silicon Dioxide
Al, Fe, Potassium Oxide
Transformation
Metamorphism
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Types of Metamorphism
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Cataclastic Metamorphism, Regional Metamorphism
Weathering
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Types of Weathering
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Biological Weathering, Chemical Weathering, Mechanical Weathering
Erosion
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Types of Erosion
Chemical Erosion, Coastal Erosion, Water Erosion
Coastal Erosion, Water Erosion