Dictionary of Geotourism

2020 Edition
| Editors: Anze Chen, Young Ng, Erkuang Zhang, Mingzhong Tian

Metamorphic Rock Classification

Reference work entry
DOI: https://doi.org/10.1007/978-981-13-2538-0_1545
There are three systems of metamorphic rock classification: (1) based on the original type of rock; (2) based on the composition of the original rock; and (3) based on the degree of foliation (Table 1).

Table 1

Gneiss

Orthogneiss

Paragneiss

Migmatitic gneiss

Pelitic

Slate

Phyllite

Hornstone

Schist

Gneiss

Foliated metamorphic rock

Slate

Phyllite

Schist

Gneiss

Banded migmatite

Mylonitic tectonite (primordium-mylonite-ultramylonite-phyllitic mylonite-blastomylonite)

Schist

Orthoschist

Paraschist

Felsic

Felsic gneiss

Felsic granulite

Fine-grained gneiss

Non-foliated metamorphic rock

Marble

Hornstone

Skarns

Quartzite – greisen

Serpentinite

Pseudo-tachylite

Greenstone – greenschist

Amphibole schist

Cataclastic series tectonite (protocataclasite – cataclasite – ultracataclasite and fault gouge

Hornstone

 

Calcareous

Marble

Skarns

   

Phyllite

 

Siliceous

Quartzite

Greisen

   

Slate

 

Magnesian

Serpentinite

   

Marble

 

Mafic

Greenstone-greenschist

Amphibole schist

Blueschist

Mafic granulite

Eclogite...

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