Sandstone and Gneiss Definition

Definition of Sandstone and Gneiss

The general Sandstone and Gneiss 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, Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. Along with definition of Sandstone and Gneiss, get to know about Properties of Sandstone and Gneiss. Get to know more information about Sandstone and Gneiss origin and discoverer, etymology and class.

History of Sandstone and Gneiss

The history of Sandstone and Gneiss 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 Gneiss Origin and Discoverer

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

Etymology of Sandstone and Gneiss

Along with Sandstone and Gneiss definition, know more about the etymology of Sandstone and Gneiss. Etymology of Sandstone and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Sandstone and Formation of Gneiss. The etymology of Sandstone is From its composition, sand and stone while that of Gneiss 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 Gneiss belongs to Metamorphic Rocks. The sub-class, group and other categories of Sandstone and Gneiss 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 Gneiss,

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