Essexite  and Shoshonite Definition

Definition of Essexite  and Shoshonite

The general Essexite  and Shoshonite definition can be stated as: Essexite which is also known as nepheline monzogabbro, is a dark gray or black holocrystalline plutonic Iigneous Rock. 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 Essexite  and Shoshonite, get to know about Properties of Essexite  and Shoshonite. Get to know more information about Essexite  and Shoshonite origin and discoverer, etymology and class.

History of Essexite  and Shoshonite

The history of Essexite  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.

Essexite  and Shoshonite Origin and Discoverer

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

Etymology of Essexite  and Shoshonite

Along with Essexite  and Shoshonite definition, know more about the etymology of Essexite  and Shoshonite. Etymology of Essexite  and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Essexite  and Formation of Shoshonite. The etymology of Essexite  is From the locality in Essex County, Massachusetts,US while that of Shoshonite is From the locality in Essex County, Massachusetts,US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Essexite  and Shoshonite belong to Igneous Rocks. The sub-class, group and other categories of Essexite  and Shoshonite are listed below.

For Essexite ,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• 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