Phonolite and Gossan Definition

Phonolite

Gossan

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Definition

Origin

Discoverer

Etymology

Class

Sub-Class

Group

Other Categories

Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic

Unknown

From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit

Igneous Rocks

Durable Rock, Medium Hardness Rock

Fine Grained Rock, Opaque Rock

Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.

Indonesia

Cornish Gossen

From Cornish gossen from gos, blood from Old Cornish guit

Metamorphic Rocks

Durable Rock, Medium Hardness Rock

Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Phonolite and Gossan

The general Phonolite and Gossan definition can be stated as: . On the other hand, . Along with definition of Phonolite and Gossan, get to know about Phonolite vs Gossan. Get to know more information about Phonolite and Gossan origin and discoverer, etymology and class.

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History of Phonolite and Gossan

The history of Phonolite 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.

Phonolite and Gossan Origin and Discoverer

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

Etymology of Phonolite and Gossan

Along with Phonolite and Gossan definition, know more about the etymology of Phonolite and Gossan. Etymology of Phonolite and Gossan gives information about origin and formation of a particular rock. Know more about Formation of Phonolite and Formation of Gossan. The etymology of Phonolite is while that of Gossan is . The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phonolite and Gossan belong to . The sub-class, group and other categories of Phonolite and Gossan are listed below.

For Phonolite,