Chalk and Litchfieldite Definition

Definition of Chalk and Litchfieldite

The general Chalk and Litchfieldite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite. Along with definition of Chalk and Litchfieldite, get to know about Properties of Chalk and Litchfieldite. Get to know more information about Chalk and Litchfieldite origin and discoverer, etymology and class.

History of Chalk and Litchfieldite

The history of Chalk and Litchfieldite 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 Litchfieldite Origin and Discoverer

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

Etymology of Chalk and Litchfieldite

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

For Chalk,

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

For Litchfieldite,

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