Gneiss and Oolite Definition

Definition of Gneiss and Oolite

The general Gneiss and Oolite definition can be stated as: 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. On the other hand, Oolite is a sedimentary rock formed from ooids, spherical grains which are composed of concentric layers of calcite. Along with definition of Gneiss and Oolite, get to know about Properties of Gneiss and Oolite. Get to know more information about Gneiss and Oolite origin and discoverer, etymology and class.

History of Gneiss and Oolite

The history of Gneiss and Oolite 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.

Gneiss and Oolite Origin and Discoverer

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

Etymology of Gneiss and Oolite

Along with Gneiss and Oolite definition, know more about the etymology of Gneiss and Oolite. Etymology of Gneiss and Oolite gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Oolite. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Oolite is From the Middle High German verb gneist (to spark; so called because the rock glitters). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gneiss belongs to Metamorphic Rocks while Oolite belongs to Sedimentary Rocks. The sub-class, group and other categories of Gneiss and Oolite are listed below.

For Gneiss,

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

For Oolite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Volcanic
• Other Categories: Fine grained rock and Opaque rock