Amphibolite and Chalk Definition

Definition of Amphibolite and Chalk

The general Amphibolite and Chalk definition can be stated as: Amphibolite can be defined as a granular metamorphic rock which mainly consist of hornblende and plagioclase. On the other hand, Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. Along with definition of Amphibolite and Chalk, get to know about Properties of Amphibolite and Chalk. Get to know more information about Amphibolite and Chalk origin and discoverer, etymology and class.

History of Amphibolite and Chalk

The history of Amphibolite 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.

Amphibolite and Chalk Origin and Discoverer

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

Etymology of Amphibolite and Chalk

Along with Amphibolite and Chalk definition, know more about the etymology of Amphibolite and Chalk. Etymology of Amphibolite and Chalk gives information about origin and formation of a particular rock. Know more about Formation of Amphibolite and Formation of Chalk. The etymology of Amphibolite is From Amphibole + -ite while that of Chalk is From Amphibole + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Amphibolite belongs to Metamorphic Rocks while Chalk belongs to Sedimentary Rocks. The sub-class, group and other categories of Amphibolite and Chalk are listed below.

For Amphibolite,

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