Chalk and Foidolite Definition

Definition of Chalk and Foidolite

The general Chalk and Foidolite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Foidolite is a rare type of coarse-grained intrusive igneous rock with a feldspathoid mineral content greater than 60%. Along with definition of Chalk and Foidolite, get to know about Properties of Chalk and Foidolite. Get to know more information about Chalk and Foidolite origin and discoverer, etymology and class.

History of Chalk and Foidolite

The history of Chalk and Foidolite 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 Foidolite Origin and Discoverer

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

Etymology of Chalk and Foidolite

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

For Chalk,

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

For Foidolite,

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