Coal and Limestone Definition

Definition of Coal and Limestone

The general Coal and Limestone 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, Limestone is a sedimentary rock composed mostly of calcite and aragonite, which are different crystal forms of calcium carbonate. Along with definition of Coal and Limestone, get to know about Properties of Coal and Limestone. Get to know more information about Coal and Limestone origin and discoverer, etymology and class.

History of Coal and Limestone

The history of Coal and Limestone 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 Limestone Origin and Discoverer

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

Etymology of Coal and Limestone

Along with Coal and Limestone definition, know more about the etymology of Coal and Limestone. Etymology of Coal and Limestone gives information about origin and formation of a particular rock. Know more about Formation of Coal and Formation of Limestone. 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 Limestone 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 and Limestone belong to Sedimentary Rocks. The sub-class, group and other categories of Coal and Limestone are listed below.

For Coal,

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

For Limestone,

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