Gossan and Tonalite Definition

Definition of Gossan and Tonalite

The general Gossan and Tonalite definition can be stated as: Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.. On the other hand, Tonalite is a coarse-grained plutonic rock consisting mainly of sodic plagioclase, quartz, and hornblende or other mafic minerals with phaneritic texture. Along with definition of Gossan and Tonalite, get to know about Properties of Gossan and Tonalite. Get to know more information about Gossan and Tonalite origin and discoverer, etymology and class.

History of Gossan and Tonalite

The history of Gossan and Tonalite 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.

Gossan and Tonalite Origin and Discoverer

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

Etymology of Gossan and Tonalite

Along with Gossan and Tonalite definition, know more about the etymology of Gossan and Tonalite. Etymology of Gossan and Tonalite gives information about origin and formation of a particular rock. Know more about Formation of Gossan and Formation of Tonalite. The etymology of Gossan is From Cornish gossen from gos, blood from Old Cornish guit while that of Tonalite is From Cornish gossen from gos, blood from Old Cornish guit. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gossan belongs to Metamorphic Rocks while Tonalite belongs to Igneous Rocks. The sub-class, group and other categories of Gossan and Tonalite are listed below.

For Gossan,

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

For Tonalite,

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