Definition
Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster
A sedimentary rock, deposit of a submarine turbidity currents and are composed of layered particles
History
Origin
Pennsylvania, U.S.
European Foreland Basins
Discoverer
Unknown
Arnold H. Bouma
Etymology
From Greek anthrakites, from anthrax, anthrak meaning coal
From Medieval Latin turbiditas, from Latin turbidus (turbid). Turbidity current is from 1939
Class
Metamorphic Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Soft Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock