Chalk and Anorthosite Definition

Definition of Chalk and Anorthosite

The general Chalk and Anorthosite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Anorthosite is a granular igneous rock composed largely of labradorite or plagioclase. Along with definition of Chalk and Anorthosite, get to know about Properties of Chalk and Anorthosite. Get to know more information about Chalk and Anorthosite origin and discoverer, etymology and class.

History of Chalk and Anorthosite

The history of Chalk and Anorthosite 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 Anorthosite Origin and Discoverer

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

Etymology of Chalk and Anorthosite

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

For Chalk,

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

For Anorthosite,

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