Phyllite and Shoshonite Definition

Definition of Phyllite and Shoshonite

The general Phyllite and Shoshonite definition can be stated as: Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. 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 Phyllite and Shoshonite, get to know about Properties of Phyllite and Shoshonite. Get to know more information about Phyllite and Shoshonite origin and discoverer, etymology and class.

History of Phyllite and Shoshonite

The history of Phyllite 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.

Phyllite and Shoshonite Origin and Discoverer

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

Etymology of Phyllite and Shoshonite

Along with Phyllite and Shoshonite definition, know more about the etymology of Phyllite and Shoshonite. Etymology of Phyllite and Shoshonite gives information about origin and formation of a particular rock. Know more about Formation of Phyllite and Formation of Shoshonite. The etymology of Phyllite is From Greek phullon leaf + -ite1 while that of Shoshonite is From Greek phullon leaf + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phyllite belongs to Metamorphic Rocks while Shoshonite belongs to Igneous Rocks. The sub-class, group and other categories of Phyllite and Shoshonite are listed below.

For Phyllite,

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