Definition
Mylonite is a metamorphic rock formed by ductile deformation during intense shearing encountered during folding and faulting, a process termed cataclastic or dynamic metamorphism
An iron rich extrusive rock found as a member of the alkali basalt magma series
History
Origin
New Zealand
Isle of Mull, Scotland
Discoverer
Unknown
Ben More
Etymology
From Greek mulōn mill + -ite
From the name of discoverer, Ben More
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock