Definition
Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle
Cataclasite is a type of cataclastic rock that is formed by fracturing and comminution during faulting. It is normally cohesive and non-foliated, consisting of angular clasts in a finer-grained matrix
History
Origin
Pike County, U.S
Swiss Alps, Europe
Discoverer
Unknown
Michael Tellinger
Etymology
From French, from peridot + -ite
From the Italian word cataclasi
Class
Igneous Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
Plutonic
-
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock