Slate and Nephelinite Definition

Definition of Slate and Nephelinite

The general Slate and Nephelinite definition can be stated as: Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. On the other hand, Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. Along with definition of Slate and Nephelinite, get to know about Properties of Slate and Nephelinite. Get to know more information about Slate and Nephelinite origin and discoverer, etymology and class.

History of Slate and Nephelinite

The history of Slate and Nephelinite 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.

Slate and Nephelinite Origin and Discoverer

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

Etymology of Slate and Nephelinite

Along with Slate and Nephelinite definition, know more about the etymology of Slate and Nephelinite. Etymology of Slate and Nephelinite gives information about origin and formation of a particular rock. Know more about Formation of Slate and Formation of Nephelinite. The etymology of Slate is From Old French esclate, from esclat (French éclat) while that of Nephelinite is From Old French esclate, from esclat (French éclat). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Slate belongs to Metamorphic Rocks while Nephelinite belongs to Igneous Rocks. The sub-class, group and other categories of Slate and Nephelinite are listed below.

For Slate,

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

For Nephelinite,

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