Phyllite and Felsite Definition

Definition of Phyllite and Felsite

The general Phyllite and Felsite 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, Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Along with definition of Phyllite and Felsite, get to know about Properties of Phyllite and Felsite. Get to know more information about Phyllite and Felsite origin and discoverer, etymology and class.

History of Phyllite and Felsite

The history of Phyllite and Felsite 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 Felsite Origin and Discoverer

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

Etymology of Phyllite and Felsite

Along with Phyllite and Felsite definition, know more about the etymology of Phyllite and Felsite. Etymology of Phyllite and Felsite gives information about origin and formation of a particular rock. Know more about Formation of Phyllite and Formation of Felsite. The etymology of Phyllite is From Greek phullon leaf + -ite1 while that of Felsite 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 Felsite belongs to Igneous Rocks. The sub-class, group and other categories of Phyllite and Felsite 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 Felsite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock