Chalk and Nepheline Syenite Definition

Definition of Chalk and Nepheline Syenite

The general Chalk and Nepheline Syenite definition can be stated as: Chalk is a soft, white, powdery limestone consisting mainly of fossil shells of foraminifers. On the other hand, Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. Along with definition of Chalk and Nepheline Syenite, get to know about Properties of Chalk and Nepheline Syenite. Get to know more information about Chalk and Nepheline Syenite origin and discoverer, etymology and class.

History of Chalk and Nepheline Syenite

The history of Chalk and Nepheline Syenite 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 Nepheline Syenite Origin and Discoverer

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

Etymology of Chalk and Nepheline Syenite

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

For Chalk,

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

For Nepheline Syenite,

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