Shonkinite and Chalk Definition

Definition of Shonkinite and Chalk

The general Shonkinite and Chalk definition can be stated as: Shonkinite is a rare, dark-coloured and intrusive igneous rock which contains augite and orthoclase feldspar as its primary constituents. On the other hand, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Shonkinite and Chalk, get to know about Properties of Shonkinite and Chalk. Get to know more information about Shonkinite and Chalk origin and discoverer, etymology and class.

History of Shonkinite and Chalk

The history of Shonkinite 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.

Shonkinite and Chalk Origin and Discoverer

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

Etymology of Shonkinite and Chalk

Along with Shonkinite and Chalk definition, know more about the etymology of Shonkinite and Chalk. Etymology of Shonkinite and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Shonkinite and Formation of Chalk. The etymology of Shonkinite is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US while that of Chalk is From the name of Shonkin Sag ranges in the Highwood Mountains of north-central Montana, US. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shonkinite belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Shonkinite and Chalk are listed below.

For Shonkinite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• 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