Definition
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar
Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material
History
Origin
France
England
Discoverer
Alexandre Brongniart
Unknown
Etymology
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones
From Italian, literally gravel, Germanic origin and related to break
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock