Marl and Anthracite Definition

Definition of Marl and Anthracite

The general Marl and Anthracite definition can be stated as: Marl is an unconsolidated sedimentary rock consisting of clay and lime. 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 Marl and Anthracite, get to know about Properties of Marl and Anthracite. Get to know more information about Marl and Anthracite origin and discoverer, etymology and class.

History of Marl and Anthracite

The history of Marl 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.

Marl and Anthracite Origin and Discoverer

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

Etymology of Marl and Anthracite

Along with Marl and Anthracite definition, know more about the etymology of Marl and Anthracite. Etymology of Marl and Anthracite gives information about origin and formation of a particular rock. Know more about Formation of Marl and Formation of Anthracite. The etymology of Marl is From Old French marle, from Late Latin marglia while that of Anthracite is From Old French marle, from Late Latin marglia. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Marl belongs to Sedimentary Rocks while Anthracite belongs to Metamorphic Rocks. The sub-class, group and other categories of Marl and Anthracite are listed below.

For Marl,

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

For Anthracite,

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