Marl and Slate Definition

Definition of Marl and Slate

The general Marl and Slate definition can be stated as: Marl is an unconsolidated sedimentary rock consisting of clay and lime. On the other hand, Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism. Along with definition of Marl and Slate, get to know about Properties of Marl and Slate. Get to know more information about Marl and Slate origin and discoverer, etymology and class.

History of Marl and Slate

The history of Marl and Slate 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 Slate Origin and Discoverer

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

Etymology of Marl and Slate

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

For Marl,

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

For Slate,

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