1 Definition
1.1 Definition
An iron rich extrusive rock found as a member of the alkali basalt magma series
Shoshonite is a basaltic rock, properly a potassic trachyandesite, composed of olivine, augite and plagioclase phenocrysts in a groundmass with calcic plagioclase and sanidine and some dark-colored volcanic glass
1.2 History
1.2.1 Origin
Isle of Mull, Scotland
Wyoming,USA
1.2.3 Discoverer
1.4 Etymology
From the name of discoverer, Ben More
From the place of origin called Shoshone riverin Wyoming
1.5 Class
Igneous Rocks
Igneous Rocks
1.6.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Medium Hardness Rock
1.7 Family
1.7.1 Group
1.9 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock