slate
ID: skos/Commodity/MIN4EU/slate
Item class: Concept
Label (en): slate
Label (hu):
Definition (en): Commercial slate is a microgranular metamorphic rock formed by the recrystallization of clay sediments, such as claystone, shale, or siltstone. Characterized by excellent parallel cleavage, slates may be easily split into relatively thin slabs. http://minerals.usgs.gov/minerals/pubs/commodity/stone_dimension/myb1-2007-stond.pdf
Definition (hu):
Concept scheme: Commodity
Broader concept: MIN4EU list of commodities