1 Definition
1.1 Definition
Jaspillite is an iron rich chemically formed rock which is common in banded iron formation rocks
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
Western Australia, Minnesota
Wyoming,USA
1.2.2 Discoverer
1.3 Etymology
From Jaspilite (Mineral), a compact siliceous rock which resembles jasper
From the place of origin called Shoshone riverin Wyoming
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock