Formation
Amphibolite is a coarse-grained metamorphic rock which forms by metamorphism of mafic igneous rocks like basalt and gabbro or from the metamorphism of clay-rich sedimentary rocks like marl or graywacke.
Composition
Mineral Content
Amphibole, Andalusite, Biotite, Calcite, Epidote, Garnet, Hornblade, Kyanite, Magnetite, Olivine, Plagioclase, Pyroxene, Staurolite, Wollastonite
Compound Content
Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Transformation
Metamorphism
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✘
97% - Igneous Rocks Rocks
Types of Metamorphism
-
Weathering
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99% - Igneous Rocks Rocks have it !
Types of Weathering
Chemical Weathering, Mechanical Weathering
Erosion
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✘
92% - Igneous Rocks Rocks have it !
Types of Erosion
Chemical Erosion, Glacier Erosion, Sea Erosion, Wind Erosion