Shale and Anthracite Definition

Definition of Shale and Anthracite

The general Shale and Anthracite definition can be stated as: Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. On the other hand, Anthracite is a type of sedimentary rock which is hard and is variety of coal that has high luster. Along with definition of Shale and Anthracite, get to know about Properties of Shale and Anthracite. Get to know more information about Shale and Anthracite origin and discoverer, etymology and class.

History of Shale and Anthracite

The history of Shale and Anthracite 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.

Shale and Anthracite Origin and Discoverer

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

Etymology of Shale and Anthracite

Along with Shale and Anthracite definition, know more about the etymology of Shale and Anthracite. Etymology of Shale and Anthracite gives information about origin and formation of a particular rock. Know more about Formation of Shale and Formation of Anthracite. The etymology of Shale is From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate, while that of Anthracite is From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. From Old English scealu in its base sense of- thing that divides or separate,. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Shale belongs to Sedimentary Rocks while Anthracite belongs to Metamorphic Rocks. The sub-class, group and other categories of Shale and Anthracite are listed below.

For Shale,

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

For Anthracite,

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