Definition
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
History
Origin
England
Southern Alps, France
Discoverer
Abraham Gottlob Werner
Dolomieu
Etymology
From Old French esclate, from esclat (French éclat)
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
Class
Metamorphic Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock