Definition
Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava
A sedimentary rock, deposit of a submarine turbidity currents and are composed of layered particles
History
Origin
North America
European Foreland Basins
Discoverer
Theodor von Gümbel
Arnold H. Bouma
Etymology
From Andes mountains, where it is found in abundance
From Medieval Latin turbiditas, from Latin turbidus (turbid). Turbidity current is from 1939
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
Family
Group
Volcanic
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Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock