Definition
Boninite is a mafic extrusive rock which is high in magnesium and silica content, formed in fore-arc environments, typically during the early stages of subduction
A sedimentary rock, deposit of a submarine turbidity currents and are composed of layered particles
History
Origin
Japan
European Foreland Basins
Discoverer
Unknown
Arnold H. Bouma
Etymology
From its occurrence in the Izu-Bonin arc south of Japan
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
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock