Definition
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution
Rhyolite is a fine-grained igneous rock which is rich in silica
History
Origin
USA
North America
Discoverer
Usiglio
Ferdinand von Richthofen
Etymology
From a sediment left after the evaporation
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, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock