Phyllite and Coal Definition

Definition of Phyllite and Coal

The general Phyllite and Coal 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, Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. Along with definition of Phyllite and Coal, get to know about Properties of Phyllite and Coal. Get to know more information about Phyllite and Coal origin and discoverer, etymology and class.

History of Phyllite and Coal

The history of Phyllite and Coal 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 Coal Origin and Discoverer

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

Etymology of Phyllite and Coal

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

• Sub-class: Durable Rock and Soft Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock