Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
Rhyolite is a fine-grained igneous rock which is rich in silica
History
Origin
Western Australia, Minnesota
North America
Discoverer
Unknown
Ferdinand von Richthofen
Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From German Rhyolit, from Greek rhuax lava stream + lithos stone
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
Family
Group
-
Volcanic
Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock