Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin
History
Origin
Western Australia, Minnesota
USA, Australia
Discoverer
Unknown
Tornebohm
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From an old Swedish mining term originally used to describe a type of silicate gangue or waste rock.
Class
Sedimentary Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock