Definition
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles
History
Origin
Southern Alps, France
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Discoverer
Dolomieu
Johann Gottlob Lehmann
Etymology
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
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Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock