Shoshonite and Chalk Definition

Definition of Shoshonite and Chalk

The general Shoshonite and Chalk 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, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Shoshonite and Chalk, get to know about Properties of Shoshonite and Chalk. Get to know more information about Shoshonite and Chalk origin and discoverer, etymology and class.

History of Shoshonite and Chalk

The history of Shoshonite and Chalk 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 Chalk Origin and Discoverer

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

Etymology of Shoshonite and Chalk

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

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