Definition
A carbonate rock which is matrix supported and contains over 10% allochems in a carbonate mud matrix.
Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz
History
Origin
-
-
Discoverer
Unknown
Unknown
Etymology
From the English mud and stone, from low German mudde and stainaz
From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Plutonic
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock