Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.
History
Origin
Western Australia, Minnesota
Indonesia
Discoverer
Unknown
Cornish Gossen
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From Cornish gossen from gos, blood from Old Cornish guit
Class
Sedimentary Rocks
Metamorphic Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock