Andesite and Chalk Definition

Definition of Andesite and Chalk

The general Andesite and Chalk definition can be stated as: Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. On the other hand, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Andesite and Chalk, get to know about Properties of Andesite and Chalk. Get to know more information about Andesite and Chalk origin and discoverer, etymology and class.

History of Andesite and Chalk

The history of Andesite and Chalk 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.

Andesite and Chalk Origin and Discoverer

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

Etymology of Andesite and Chalk

Along with Andesite and Chalk definition, know more about the etymology of Andesite and Chalk. Etymology of Andesite and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Andesite and Formation of Chalk. The etymology of Andesite is From Andes mountains, where it is found in abundance while that of Chalk is From Andes mountains, where it is found in abundance. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Andesite belongs to Igneous Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Andesite and Chalk are listed below.

For Andesite,

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

For Chalk,

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