Tephrite and Gossan Definition

Definition of Tephrite and Gossan

The general Tephrite and Gossan definition can be stated as: Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. 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 Tephrite and Gossan, get to know about Properties of Tephrite and Gossan. Get to know more information about Tephrite and Gossan origin and discoverer, etymology and class.

History of Tephrite and Gossan

The history of Tephrite 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.

Tephrite and Gossan Origin and Discoverer

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

Etymology of Tephrite and Gossan

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

For Tephrite,

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