Aplite and Coal Definition

Definition of Aplite and Coal

The general Aplite and Coal definition can be stated as: Aplite is a fine-grained granite composed mainly of feldspar and quartz. 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 Aplite and Coal, get to know about Properties of Aplite and Coal. Get to know more information about Aplite and Coal origin and discoverer, etymology and class.

History of Aplite and Coal

The history of Aplite 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.

Aplite and Coal Origin and Discoverer

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

Etymology of Aplite and Coal

Along with Aplite and Coal definition, know more about the etymology of Aplite and Coal. Etymology of Aplite and Coal gives information about origin and formation of a particular rock. Know more about Formation of Aplite and Formation of Coal. The etymology of Aplite is From German Aplit, from Greek haploos simple + -ite while that of Coal is From German Aplit, from Greek haploos simple + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Aplite belongs to Igneous Rocks while Coal belongs to Sedimentary Rocks. The sub-class, group and other categories of Aplite and Coal are listed below.

For Aplite,

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