Phyllite and Greywacke Definition

Definition of Phyllite and Greywacke

The general Phyllite and Greywacke 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, Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. Along with definition of Phyllite and Greywacke, get to know about Properties of Phyllite and Greywacke. Get to know more information about Phyllite and Greywacke origin and discoverer, etymology and class.

History of Phyllite and Greywacke

The history of Phyllite and Greywacke 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 Greywacke Origin and Discoverer

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

Etymology of Phyllite and Greywacke

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

For Phyllite,

• Sub-class: Durable Rock and Soft Rock
• Group:
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock

For Greywacke,

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