Hornblendite and Gneiss Definition

Definition of Hornblendite and Gneiss

The general Hornblendite and Gneiss definition can be stated as: Hornblendite is a type of igneous plutonic rock consisting mainly of amphibole hornblende and is a type of Amphibolite rock. 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 Hornblendite and Gneiss, get to know about Properties of Hornblendite and Gneiss. Get to know more information about Hornblendite and Gneiss origin and discoverer, etymology and class.

History of Hornblendite and Gneiss

The history of Hornblendite 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.

Hornblendite and Gneiss Origin and Discoverer

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

Etymology of Hornblendite and Gneiss

Along with Hornblendite and Gneiss definition, know more about the etymology of Hornblendite and Gneiss. Etymology of Hornblendite and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Hornblendite and Formation of Gneiss. The etymology of Hornblendite is From German, Horn horn + blende while that of Gneiss is From German, Horn horn + blende. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Hornblendite belongs to Igneous Rocks while Gneiss belongs to Metamorphic Rocks. The sub-class, group and other categories of Hornblendite and Gneiss are listed below.

For Hornblendite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• 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