Chalk and Charnockite Definition

Definition of Chalk and Charnockite

The general Chalk and Charnockite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. Along with definition of Chalk and Charnockite, get to know about Properties of Chalk and Charnockite. Get to know more information about Chalk and Charnockite origin and discoverer, etymology and class.

History of Chalk and Charnockite

The history of Chalk and Charnockite 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.

Chalk and Charnockite Origin and Discoverer

Chalk and Charnockite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Chalk and Charnockite. In this section, you will know about Chalk and Charnockite Origin and Discoverer. Origin of Chalk is Unknown whereas Origin of Charnockite is Tamil Nadu, India. It is interesting to know the name of Chalk and Charnockite discoverer. The Discoverer of Chalk is Unknown and the discoverer of Charnockite is T. H. Holland.

Etymology of Chalk and Charnockite

Along with Chalk and Charnockite definition, know more about the etymology of Chalk and Charnockite. Etymology of Chalk and Charnockite gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Charnockite. The etymology of Chalk is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone while that of Charnockite is From old English cealc chalk, lime, plaster; pebble, from Greek khalix small pebble, in English transferred to the opaque, white, soft limestone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Chalk belongs to Sedimentary Rocks while Charnockite belongs to Igneous Rocks. The sub-class, group and other categories of Chalk and Charnockite are listed below.

For Chalk,

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

For Charnockite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock