Chalk and Felsite Definition

Definition of Chalk and Felsite

The general Chalk and Felsite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Along with definition of Chalk and Felsite, get to know about Properties of Chalk and Felsite. Get to know more information about Chalk and Felsite origin and discoverer, etymology and class.

History of Chalk and Felsite

The history of Chalk and Felsite 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 Felsite Origin and Discoverer

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

Etymology of Chalk and Felsite

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

For Chalk,

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

For Felsite,

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