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
Dolomite is a sedimentary rock containing more than 50 percent of the mineral dolomite by weight
History
Origin
Japan
Southern Alps, France
Discoverer
Unknown
Dolomieu
Etymology
From its occurrence in the Izu-Bonin arc south of Japan
From French, from the name of Dolomieu (1750–1801), the French geologist who discovered the rock
Class
Igneous Rocks
Sedimentary Rocks
Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
Family
Group
Volcanic
-
Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock