Siltstone and Shoshonite Definition

Definition of Siltstone and Shoshonite

The general Siltstone and Shoshonite definition can be stated as: Siltstone can be defined as a fine-grained sedimentary rock which mainly consists of consolidated silt. 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 Siltstone and Shoshonite, get to know about Properties of Siltstone and Shoshonite. Get to know more information about Siltstone and Shoshonite origin and discoverer, etymology and class.

History of Siltstone and Shoshonite

The history of Siltstone 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.

Siltstone and Shoshonite Origin and Discoverer

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

Etymology of Siltstone and Shoshonite

Along with Siltstone and Shoshonite definition, know more about the etymology of Siltstone and Shoshonite. Etymology of Siltstone and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Siltstone and Formation of Shoshonite. The etymology of Siltstone is From English word silt and stone and from Proto-Indo-European root sal and stainaz while that of Shoshonite is From English word silt and stone and from Proto-Indo-European root sal and stainaz. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Siltstone belongs to Sedimentary Rocks while Shoshonite belongs to Igneous Rocks. The sub-class, group and other categories of Siltstone and Shoshonite are listed below.

For Siltstone,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Fine 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