Gneiss and Lamprophyre Definition

Definition of Gneiss and Lamprophyre

The general Gneiss and Lamprophyre 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, Lamprophyre is uncommon igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions. Along with definition of Gneiss and Lamprophyre, get to know about Properties of Gneiss and Lamprophyre. Get to know more information about Gneiss and Lamprophyre origin and discoverer, etymology and class.

History of Gneiss and Lamprophyre

The history of Gneiss and Lamprophyre 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 Lamprophyre Origin and Discoverer

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

Etymology of Gneiss and Lamprophyre

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

For Gneiss,

• Sub-class: Durable Rock and Hard Rock
• Group:
• Other Categories: Coarse grained rock, Medium grained rock and Opaque rock

For Lamprophyre,

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