Definition
A water-soluble mineral sediment resulting from concentration and crystallization by evaporation from an aqueous solution
Trachyandesite is an extrusive igneous rock.
History
Origin
USA
Indonesia
Discoverer
Usiglio
Unknown
Etymology
From a sediment left after the evaporation
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite
Class
Sedimentary Rocks
Igneous Rocks
Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
Family
Group
-
Volcanic
Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock