Definition
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
Arkose is a sedimentary rock, specifically a type of sandstone containing at least 25% feldspar
History
Origin
Southern Alps, France
France
Discoverer
Dolomieu
Alexandre Brongniart
Etymology
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
From Auvergne region of France used by a French geologist Alexandre Brongniart in 1826 who applied this term to some feldspathic sandstones
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock