Chalk and Websterite Definition

Definition of Chalk and Websterite

The general Chalk and Websterite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Websterite is ultramafic and ultrabasic rock that consists of roughly equal proportions of orthopyroxene and clinopyroxene. It is a special type of pyroxenite.. Along with definition of Chalk and Websterite, get to know about Properties of Chalk and Websterite. Get to know more information about Chalk and Websterite origin and discoverer, etymology and class.

History of Chalk and Websterite

The history of Chalk and Websterite 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 Websterite Origin and Discoverer

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

Etymology of Chalk and Websterite

Along with Chalk and Websterite definition, know more about the etymology of Chalk and Websterite. Etymology of Chalk and Websterite gives information about origin and formation of a particular rock. Know more about Formation of Chalk and Formation of Websterite. 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 Websterite 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 Websterite belongs to Igneous Rocks. The sub-class, group and other categories of Chalk and Websterite are listed below.

For Chalk,

• Sub-class: Durable Rock and Soft Rock
• Group:
• Other Categories: Fine grained rock and Opaque rock

For Websterite,

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