Phonolite and Gossan Definition

Definition of Phonolite and Gossan

The general Phonolite and Gossan definition can be stated as: Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. 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 Phonolite and Gossan, get to know about Properties of Phonolite and Gossan. Get to know more information about Phonolite and Gossan origin and discoverer, etymology and class.

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 Formation of Phonolite and Gossan. In this section, you will know about Phonolite and Gossan Origin and Discoverer. Origin of Phonolite is whereas Origin of Gossan is Indonesia. It is interesting to know the name of Phonolite and Gossan discoverer. The Discoverer of Phonolite is Unknown and the discoverer of Gossan is Cornish Gossen.

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 From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit while that of Gossan is From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phonolite belongs to Igneous Rocks while Gossan belongs to Metamorphic Rocks. The sub-class, group and other categories of Phonolite and Gossan are listed below.

For Phonolite,

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

For Gossan,

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