Gritstone and Phonolite Definition

Definition of Gritstone and Phonolite

The general Gritstone and Phonolite definition can be stated as: Gritstone or grit is a hard, coarse-grained, siliceous sandstone. On the other hand, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Gritstone and Phonolite, get to know about Properties of Gritstone and Phonolite. Get to know more information about Gritstone and Phonolite origin and discoverer, etymology and class.

History of Gritstone and Phonolite

The history of Gritstone and Phonolite 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.

Gritstone and Phonolite Origin and Discoverer

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

Etymology of Gritstone and Phonolite

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

For Gritstone,

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

For Phonolite,

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