Phyllite and Gritstone Definition

Definition of Phyllite and Gritstone

The general Phyllite and Gritstone definition can be stated as: Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. On the other hand, Gritstone or grit is a hard, coarse-grained, siliceous sandstone. Along with definition of Phyllite and Gritstone, get to know about Properties of Phyllite and Gritstone. Get to know more information about Phyllite and Gritstone origin and discoverer, etymology and class.

History of Phyllite and Gritstone

The history of Phyllite 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.

Phyllite and Gritstone Origin and Discoverer

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

Etymology of Phyllite and Gritstone

Along with Phyllite and Gritstone definition, know more about the etymology of Phyllite and Gritstone. Etymology of Phyllite and Gritstone gives information about origin and formation of a particular rock. Know more about Formation of Phyllite and Formation of Gritstone. The etymology of Phyllite is From Greek phullon leaf + -ite1 while that of Gritstone is From Greek phullon leaf + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phyllite belongs to Metamorphic Rocks while Gritstone belongs to Sedimentary Rocks. The sub-class, group and other categories of Phyllite and Gritstone are listed below.

For Phyllite,

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