Silicate metamorphic rock that is pervasively heterogeneous on a decimeter to meter scale that typically consists of darker and lighter parts; the darker parts usually exhibit features of metamorphic rocks whereas the lighter parts are of igneous-looking appearance.
Fette and Desmons (2007) (http://www.bgs.ac.uk/SCMR/)
See Also: agmatite, diatectite, dictyonite, ditexite, metatexite, nebulite, phlebite, stromatite, venite
Parents: Metamorphic rock (159)
[Description taken from GeoSciML SimpleLithology201012.rdf]
Category: Analysed material
The different kinds of sample material collected in the field have been classified hierarchically. Examples: “till”, “soil”, “vegetation”. Taken from the “Sample_Types_SHARED” database table.
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