1 Definition
1.1 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
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation
1.3 History
1.3.1 Origin
1.3.3 Discoverer
1.5 Etymology
From its occurrence in the Izu-Bonin arc south of Japan
From French schiste, Greek skhistos i.e. split
1.6 Class
Igneous Rocks
Metamorphic Rocks
1.6.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.7 Family
1.7.1 Group
1.8 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock