Shoshonite and Hornfels Definition

Definition of Shoshonite and Hornfels

The general Shoshonite and Hornfels 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, Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock. Along with definition of Shoshonite and Hornfels, get to know about Properties of Shoshonite and Hornfels. Get to know more information about Shoshonite and Hornfels origin and discoverer, etymology and class.

History of Shoshonite and Hornfels

The history of Shoshonite and Hornfels 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 Hornfels Origin and Discoverer

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

Etymology of Shoshonite and Hornfels

Along with Shoshonite and Hornfels definition, know more about the etymology of Shoshonite and Hornfels. Etymology of Shoshonite and Hornfels gives information about origin and formation of a particular rock. Know more about Formation of Shoshonite and Formation of Hornfels. The etymology of Shoshonite is From the place of origin called Shoshone riverin Wyoming while that of Hornfels 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 Hornfels belongs to Metamorphic Rocks. The sub-class, group and other categories of Shoshonite and Hornfels 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 Hornfels,

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