Chalk and Schist Definition

Definition of Chalk and Schist

The general Chalk and Schist definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Schist is a medium grade metamorphic rock with medium to large, flat, sheet like grains in a preferred orientation. Along with definition of Chalk and Schist, get to know about Properties of Chalk and Schist. Get to know more information about Chalk and Schist origin and discoverer, etymology and class.

History of Chalk and Schist

The history of Chalk and Schist 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 Schist Origin and Discoverer

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

Etymology of Chalk and Schist

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

For Chalk,

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

For Schist,

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