Marl and Variolite Definition

Definition of Marl and Variolite

The general Marl and Variolite definition can be stated as: Marl is an unconsolidated sedimentary rock consisting of clay and lime. On the other hand, Variolites are a group of dark green basic igneous rocks which exhibit pale colored spots, or spherules, especially on weathered surfaces, that give them a pockmarked appearance. Along with definition of Marl and Variolite, get to know about Properties of Marl and Variolite. Get to know more information about Marl and Variolite origin and discoverer, etymology and class.

History of Marl and Variolite

The history of Marl and Variolite 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 Variolite Origin and Discoverer

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

Etymology of Marl and Variolite

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

For Marl,

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

For Variolite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Opaque rock