Definition
Trachyandesite is an extrusive igneous rock.
A sedimentary rock, deposit of a submarine turbidity currents and are composed of layered particles
History
Origin
Indonesia
European Foreland Basins
Discoverer
Unknown
Arnold H. Bouma
Etymology
From French trachyandésite, trachy + andésite andesite, a lava intermediate in composition between trachyte and andesite
From Medieval Latin turbiditas, from Latin turbidus (turbid). Turbidity current is from 1939
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
Family
Group
Volcanic
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock