Breccia and Gneiss Definition

Definition of Breccia and Gneiss

The general Breccia and Gneiss definition can be stated as: Breccia is a rock consisting of angular fragments of stones which are cemented by finer calcareous material. 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 Breccia and Gneiss, get to know about Properties of Breccia and Gneiss. Get to know more information about Breccia and Gneiss origin and discoverer, etymology and class.

History of Breccia and Gneiss

The history of Breccia 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.

Breccia and Gneiss Origin and Discoverer

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

Etymology of Breccia and Gneiss

Along with Breccia and Gneiss definition, know more about the etymology of Breccia and Gneiss. Etymology of Breccia and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Breccia and Formation of Gneiss. The etymology of Breccia is From Italian, literally gravel, Germanic origin and related to break while that of Gneiss is From Italian, literally gravel, Germanic origin and related to break. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Breccia belongs to Sedimentary Rocks while Gneiss belongs to Metamorphic Rocks. The sub-class, group and other categories of Breccia and Gneiss are listed below.

For Breccia,

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