1 Formation
1.1 Formation
Nephelinite 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
Clinopyroxene, Nepheline, Plagioclase
1.2.2 Compound Content
Ca, CaO, Carbon, Cl, MgO
1.3 Transformation
1.3.1 Metamorphism
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97% - Igneous Rocks Rocks have it !
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1.3.2 Types of Metamorphism
Contact Metamorphism
1.3.3 Weathering
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99% - Igneous Rocks Rocks have it !
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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 !
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1.3.6 Types of Erosion
Chemical Erosion, Water Erosion, Wind Erosion