Chalk and Diabase Definition

Definition of Chalk and Diabase

The general Chalk and Diabase definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Diabase is a fine-grained igneous rock which is composed mostly of pyroxene and feldspar. Along with definition of Chalk and Diabase, get to know about Properties of Chalk and Diabase. Get to know more information about Chalk and Diabase origin and discoverer, etymology and class.

History of Chalk and Diabase

The history of Chalk and Diabase 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 Diabase Origin and Discoverer

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

Etymology of Chalk and Diabase

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

For Chalk,

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

For Diabase,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Fine grained rock, Medium grained rock and Opaque rock