Definition
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
Gritstone or grit is a hard, coarse-grained, siliceous sandstone
History
Origin
Southern Alps, France
Pennines, England
Discoverer
Dolomieu
J.J. Ferber
Etymology
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
From Grit + Stone
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