Definition
Pyrolite is an igneous rock consisting of about three parts of peridotite and one part of basalt
Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material
History
Origin
Pike County, U.S
England
Discoverer
Unknown
Unknown
Etymology
From the chemical and mineralogical composition of the upper mantle of the Earth
From Italian, literally gravel, Germanic origin and related to break
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
Plutonic
-
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Medium Grained Rock, Opaque Rock