Definition
Jasperoid is a rare, peculiar type of metasomatic alteration of rocks
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
History
Origin
USA
Western Australia, Minnesota
Discoverer
Unknown
Unknown
Etymology
From silica, the main mineral content of Jasperoid
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
Class
Sedimentary Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
-
-
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock