Phyllite and Theralite Definition

Definition of Phyllite and Theralite

The general Phyllite and Theralite 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, Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline. Along with definition of Phyllite and Theralite, get to know about Properties of Phyllite and Theralite. Get to know more information about Phyllite and Theralite origin and discoverer, etymology and class.

History of Phyllite and Theralite

The history of Phyllite and Theralite 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 Theralite Origin and Discoverer

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

Etymology of Phyllite and Theralite

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

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