Phyllite and Rhyodacite Definition

Definition of Phyllite and Rhyodacite

The general Phyllite and Rhyodacite 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, Rhyodacite is an extrusive volcanic rock intermediate in composition between dacite and rhyolite. Along with definition of Phyllite and Rhyodacite, get to know about Properties of Phyllite and Rhyodacite. Get to know more information about Phyllite and Rhyodacite origin and discoverer, etymology and class.

History of Phyllite and Rhyodacite

The history of Phyllite and Rhyodacite 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 Rhyodacite Origin and Discoverer

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

Etymology of Phyllite and Rhyodacite

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

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