Chalk and Hornblendite Definition

Definition of Chalk and Hornblendite

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

History of Chalk and Hornblendite

The history of Chalk and Hornblendite 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 Hornblendite Origin and Discoverer

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

Etymology of Chalk and Hornblendite

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

For Chalk,

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

For Hornblendite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Coarse grained rock, Medium grained rock and Opaque rock