Definition
Origin
Discoverer
Etymology
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Other Categories
Metapelite is an old and currently not widely used field geological term for a clay rich fine-grained clastic sediment or sedimentary rock, i.e. mud or a mudstone
From Pelos or clay in Greek
Durable Rock, Medium Hardness Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China
Durable Rock, Medium Hardness Rock
Fine Grained Rock, Opaque Rock