Sandstone and Variolite Definition

Definition of Sandstone and Variolite

The general Sandstone and Variolite definition can be stated as: Sandstone is defined as a rock which is composed of sand-sized grains of various minerals mostly of uniform size and often are smooth and rounded. 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 Sandstone and Variolite, get to know about Properties of Sandstone and Variolite. Get to know more information about Sandstone and Variolite origin and discoverer, etymology and class.

History of Sandstone and Variolite

The history of Sandstone 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.

Sandstone and Variolite Origin and Discoverer

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

Etymology of Sandstone and Variolite

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

For Sandstone,

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

For Variolite,

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