1 Definition
1.1 Definition
Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents
Claystone is a fine-grained, dark gray to pink sedimentary rock which mainly consists of compacted and hardened clay
1.2 History
1.2.1 Origin
1.2.2 Discoverer
1.3 Etymology
From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US
From English clay and stone as the rock contains more amount of clay
1.4 Class
Igneous Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock