Nephelinite and Phyllite Definition

Definition of Nephelinite and Phyllite

The general Nephelinite and Phyllite 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, Phyllite is a fine-grained metamorphic rock with a well-developed laminar structure, and is intermediate between slate and schist rocks. Along with definition of Nephelinite and Phyllite, get to know about Properties of Nephelinite and Phyllite. Get to know more information about Nephelinite and Phyllite origin and discoverer, etymology and class.

History of Nephelinite and Phyllite

The history of Nephelinite and Phyllite 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 Phyllite Origin and Discoverer

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

Etymology of Nephelinite and Phyllite

Along with Nephelinite and Phyllite definition, know more about the etymology of Nephelinite and Phyllite. Etymology of Nephelinite and Phyllite gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Phyllite. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Phyllite 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 Phyllite belongs to Metamorphic Rocks. The sub-class, group and other categories of Nephelinite and Phyllite are listed below.

For Nephelinite,

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

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