Gneiss and Travertine Definition

Definition of Gneiss and Travertine

The general Gneiss and Travertine 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, Travertine is a mineral consisting of layered calcium carbonate formed by deposition from spring waters. Along with definition of Gneiss and Travertine, get to know about Properties of Gneiss and Travertine. Get to know more information about Gneiss and Travertine origin and discoverer, etymology and class.

History of Gneiss and Travertine

The history of Gneiss and Travertine 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 Travertine Origin and Discoverer

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

Etymology of Gneiss and Travertine

Along with Gneiss and Travertine definition, know more about the etymology of Gneiss and Travertine. Etymology of Gneiss and Travertine gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Travertine. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Travertine 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 Travertine belongs to Sedimentary Rocks. The sub-class, group and other categories of Gneiss and Travertine 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 Travertine,

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