Chalk and Gabbro Definition

Definition of Chalk and Gabbro

The general Chalk and Gabbro definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Gabbro is an intrusive igneous rock which is chemically equivalent to plutonic Basalt. Along with definition of Chalk and Gabbro, get to know about Properties of Chalk and Gabbro. Get to know more information about Chalk and Gabbro origin and discoverer, etymology and class.

History of Chalk and Gabbro

The history of Chalk and Gabbro 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 Gabbro Origin and Discoverer

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

Etymology of Chalk and Gabbro

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

For Chalk,

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

For Gabbro,

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