Variolite and Marl Definition

Definition of Variolite and Marl

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

History of Variolite and Marl

The history of Variolite and Marl 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.

Variolite and Marl Origin and Discoverer

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

Etymology of Variolite and Marl

Along with Variolite and Marl definition, know more about the etymology of Variolite and Marl. Etymology of Variolite and Marl gives information about origin and formation of a particular rock. Know more about Formation of Variolite and Formation of Marl. The etymology of Variolite is From Latin varius, speckled, variegated while that of Marl is From Latin varius, speckled, variegated. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Variolite belongs to Igneous Rocks while Marl belongs to Sedimentary Rocks. The sub-class, group and other categories of Variolite and Marl are listed below.

For Variolite,

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

For Marl,

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