Gneiss and Jasperoid Definition

Definition of Gneiss and Jasperoid

The general Gneiss and Jasperoid 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, Jasperoid is a rare, peculiar type of metasomatic alteration of rocks. Along with definition of Gneiss and Jasperoid, get to know about Properties of Gneiss and Jasperoid. Get to know more information about Gneiss and Jasperoid origin and discoverer, etymology and class.

History of Gneiss and Jasperoid

The history of Gneiss and Jasperoid 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 Jasperoid Origin and Discoverer

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

Etymology of Gneiss and Jasperoid

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

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