1 Definition
1.1 Definition
Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation
An iron rich extrusive rock found as a member of the alkali basalt magma series
1.2 History
1.2.1 Origin
Unknown
Isle of Mull, Scotland
1.2.2 Discoverer
1.3 Etymology
From French schiste, Greek skhistos i.e. split
From the name of discoverer, Ben More
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock