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
Icelandite belongs to volcanic igneous rocks which is rich in iron and belongs to andesite rock
History
Origin
New Zealand
Iceland
Discoverer
Unknown
Ian S. E. Carmichael
Etymology
From Greek mulōn mill + -ite
From its origin place near Cenozoic volcano near the parsonage Þingmúli in East Iceland
Class
Metamorphic Rocks
Igneous Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock
Family
Group
-
Volcanic
Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock