Gneiss and Hawaiite Definition

Definition of Gneiss and Hawaiite

The general Gneiss and Hawaiite 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, Hawaiite is volcanic rock that resembles basalt. It is an olivine basalt with intermediate composition between alkali olivine and mugearite. Along with definition of Gneiss and Hawaiite, get to know about Properties of Gneiss and Hawaiite. Get to know more information about Gneiss and Hawaiite origin and discoverer, etymology and class.

History of Gneiss and Hawaiite

The history of Gneiss and Hawaiite 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 Hawaiite Origin and Discoverer

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

Etymology of Gneiss and Hawaiite

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

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