Gossan and Rapakivi Granite Definition

Definition of Gossan and Rapakivi Granite

The general Gossan and Rapakivi Granite 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, Rapakivi Granite is a hornblende-biotite Granite containing large rounded crystals of orthoclase which are mantled with oligoclase. Along with definition of Gossan and Rapakivi Granite, get to know about Properties of Gossan and Rapakivi Granite. Get to know more information about Gossan and Rapakivi Granite origin and discoverer, etymology and class.

History of Gossan and Rapakivi Granite

The history of Gossan and Rapakivi Granite 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 Rapakivi Granite Origin and Discoverer

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

Etymology of Gossan and Rapakivi Granite

Along with Gossan and Rapakivi Granite definition, know more about the etymology of Gossan and Rapakivi Granite. Etymology of Gossan and Rapakivi Granite gives information about origin and formation of a particular rock. Know more about Formation of Gossan and Formation of Rapakivi Granite. The etymology of Gossan is From Cornish gossen from gos, blood from Old Cornish guit while that of Rapakivi Granite 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 Rapakivi Granite belongs to Igneous Rocks. The sub-class, group and other categories of Gossan and Rapakivi Granite 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 Rapakivi Granite,

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