Coal and Charnockite Definition

Definition of Coal and Charnockite

The general Coal and Charnockite definition can be stated as: Coal is a combustible black or brownish-black sedimentary rock usually occurring in rock strata in layers called coal beds. On the other hand, Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. Along with definition of Coal and Charnockite, get to know about Properties of Coal and Charnockite. Get to know more information about Coal and Charnockite origin and discoverer, etymology and class.

History of Coal and Charnockite

The history of Coal and Charnockite 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.

Coal and Charnockite Origin and Discoverer

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

Etymology of Coal and Charnockite

Along with Coal and Charnockite definition, know more about the etymology of Coal and Charnockite. Etymology of Coal and Charnockite gives information about origin and formation of a particular rock. Know more about Formation of Coal and Formation of Charnockite. The etymology of Coal is From the Old English term col, which has meant mineral of fossilized carbon since the 13th century while that of Charnockite is From the Old English term col, which has meant mineral of fossilized carbon since the 13th century. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Coal belongs to Sedimentary Rocks while Charnockite belongs to Igneous Rocks. The sub-class, group and other categories of Coal and Charnockite are listed below.

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

For Charnockite,

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