Nephelinite and Gritstone Definition

Definition of Nephelinite and Gritstone

The general Nephelinite and Gritstone definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Gritstone or grit is a hard, coarse-grained, siliceous sandstone. Along with definition of Nephelinite and Gritstone, get to know about Properties of Nephelinite and Gritstone. Get to know more information about Nephelinite and Gritstone origin and discoverer, etymology and class.

History of Nephelinite and Gritstone

The history of Nephelinite and Gritstone 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.

Nephelinite and Gritstone Origin and Discoverer

Nephelinite and Gritstone definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Nephelinite and Gritstone. In this section, you will know about Nephelinite and Gritstone Origin and Discoverer. Origin of Nephelinite is Brazil whereas Origin of Gritstone is Pennines, England. It is interesting to know the name of Nephelinite and Gritstone discoverer. The Discoverer of Nephelinite is Unknown and the discoverer of Gritstone is J.J. Ferber.

Etymology of Nephelinite and Gritstone

Along with Nephelinite and Gritstone definition, know more about the etymology of Nephelinite and Gritstone. Etymology of Nephelinite and Gritstone gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Gritstone. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Gritstone is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite belongs to Igneous Rocks while Gritstone belongs to Sedimentary Rocks. The sub-class, group and other categories of Nephelinite and Gritstone are listed below.

For Nephelinite,

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

For Gritstone,

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