Chalk and Adakite Definition

Definition of Chalk and Adakite

The general Chalk and Adakite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Chalk and Adakite, get to know about Properties of Chalk and Adakite. Get to know more information about Chalk and Adakite origin and discoverer, etymology and class.

History of Chalk and Adakite

The history of Chalk and Adakite 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 Adakite Origin and Discoverer

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

Etymology of Chalk and Adakite

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

For Chalk,

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

For Adakite,

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