Gritstone and Shoshonite Definition

Definition of Gritstone and Shoshonite

The general Gritstone and Shoshonite definition can be stated as: Gritstone or grit is a hard, coarse-grained, siliceous sandstone. On the other hand, 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. Along with definition of Gritstone and Shoshonite, get to know about Properties of Gritstone and Shoshonite. Get to know more information about Gritstone and Shoshonite origin and discoverer, etymology and class.

History of Gritstone and Shoshonite

The history of Gritstone and Shoshonite gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Gritstone and Shoshonite Origin and Discoverer

Gritstone and Shoshonite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Gritstone and Shoshonite. In this section, you will know about Gritstone and Shoshonite Origin and Discoverer. Origin of Gritstone is Pennines, England whereas Origin of Shoshonite is Wyoming,USA. It is interesting to know the name of Gritstone and Shoshonite discoverer. The Discoverer of Gritstone is J.J. Ferber and the discoverer of Shoshonite is Iddings.

Etymology of Gritstone and Shoshonite

Along with Gritstone and Shoshonite definition, know more about the etymology of Gritstone and Shoshonite. Etymology of Gritstone and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Gritstone and Formation of Shoshonite. The etymology of Gritstone is From Grit + Stone while that of Shoshonite is From Grit + Stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gritstone belongs to Sedimentary Rocks while Shoshonite belongs to Igneous Rocks. The sub-class, group and other categories of Gritstone and Shoshonite are listed below.

For Gritstone,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock and Opaque rock

For Shoshonite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock