Chalk and Theralite Definition

Definition of Chalk and Theralite

The general Chalk and Theralite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline. Along with definition of Chalk and Theralite, get to know about Properties of Chalk and Theralite. Get to know more information about Chalk and Theralite origin and discoverer, etymology and class.

History of Chalk and Theralite

The history of Chalk and Theralite 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 Theralite Origin and Discoverer

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

Etymology of Chalk and Theralite

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

For Chalk,

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

For Theralite,

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