Shoshonite and Siltstone Definition

Definition of Shoshonite and Siltstone

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

History of Shoshonite and Siltstone

The history of Shoshonite and Siltstone 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.

Shoshonite and Siltstone Origin and Discoverer

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

Etymology of Shoshonite and Siltstone

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

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

For Siltstone,

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