Chalk and Blueschist Definition

Definition of Chalk and Blueschist

The general Chalk and Blueschist definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature. Along with definition of Chalk and Blueschist, get to know about Properties of Chalk and Blueschist. Get to know more information about Chalk and Blueschist origin and discoverer, etymology and class.

History of Chalk and Blueschist

The history of Chalk and Blueschist 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 Blueschist Origin and Discoverer

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

Etymology of Chalk and Blueschist

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

For Chalk,

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

For Blueschist,

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