Formation
Ignimbrites are formed from very poorly sorted mixture of volcanic ash or tuff and pumice lapilli, commonly with scattered lithic fragments.
Composition
Mineral Content
Apatite, Biotite, Calcite, Chlorite, Feldspar, Hematite, Hornblade, Ilmenite, Magnetite, Olivine, Pyroxene, Quartz
Compound Content
Ca, NaCl
Transformation
Metamorphism
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97% - Igneous Rocks Rocks have it !
Types of Metamorphism
Burial Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism
Weathering
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99% - Igneous Rocks Rocks have it !
Types of Weathering
Biological Weathering, Chemical Weathering
Erosion
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92% - Igneous Rocks Rocks have it !
Types of Erosion
Chemical Erosion, Coastal Erosion