Chalk and Amphibolite Definition

Definition of Chalk and Amphibolite

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

History of Chalk and Amphibolite

The history of Chalk and Amphibolite 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 Amphibolite Origin and Discoverer

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

Etymology of Chalk and Amphibolite

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

For Chalk,

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

For Amphibolite,

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