Chalk and Icelandite Definition

Definition of Chalk and Icelandite

The general Chalk and Icelandite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Icelandite belongs to volcanic igneous rocks which is rich in iron and belongs to andesite rock. Along with definition of Chalk and Icelandite, get to know about Properties of Chalk and Icelandite. Get to know more information about Chalk and Icelandite origin and discoverer, etymology and class.

History of Chalk and Icelandite

The history of Chalk and Icelandite 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 Icelandite Origin and Discoverer

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

Etymology of Chalk and Icelandite

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

For Chalk,

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

For Icelandite,

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