Nephelinite and Gossan Definition

Definition of Nephelinite and Gossan

The general Nephelinite and Gossan definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. Along with definition of Nephelinite and Gossan, get to know about Properties of Nephelinite and Gossan. Get to know more information about Nephelinite and Gossan origin and discoverer, etymology and class.

History of Nephelinite and Gossan

The history of Nephelinite and Gossan 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.

Nephelinite and Gossan Origin and Discoverer

Nephelinite and Gossan definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Nephelinite and Gossan. In this section, you will know about Nephelinite and Gossan Origin and Discoverer. Origin of Nephelinite is Brazil whereas Origin of Gossan is Indonesia. It is interesting to know the name of Nephelinite and Gossan discoverer. The Discoverer of Nephelinite is Unknown and the discoverer of Gossan is Cornish Gossen.

Etymology of Nephelinite and Gossan

Along with Nephelinite and Gossan definition, know more about the etymology of Nephelinite and Gossan. Etymology of Nephelinite and Gossan gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Gossan. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Gossan is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite belongs to Igneous Rocks while Gossan belongs to Metamorphic Rocks. The sub-class, group and other categories of Nephelinite and Gossan are listed below.

For Nephelinite,

• Sub-class: Durable Rock and Hard Rock
• Group: Plutonic
• Other Categories: Fine grained rock and Opaque rock

For Gossan,

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