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Rhyolite
Rhyolite

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Gossan



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Rhyolite and Gossan Definition

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1 Definition
1.1 Definition
Rhyolite is a fine-grained igneous rock which is rich in silica
Gossan is intensely oxidized, weathered or decomposed rock, usually the upper and exposed part of an ore deposit or mineral vein.
1.2 History
1.2.1 Origin
North America
Indonesia
1.2.2 Discoverer
Ferdinand von Richthofen
Cornish Gossen
1.3 Etymology
From German Rhyolit, from Greek rhuax lava stream + lithos stone
From Cornish gossen from gos, blood from Old Cornish guit
1.4 Class
Igneous Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Volcanic
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Rhyolite and Gossan

The general Rhyolite and Gossan definition can be stated as: Rhyolite is a fine-grained igneous rock which is rich in silica. 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 Rhyolite and Gossan, get to know about Properties of Rhyolite and Gossan. Get to know more information about Rhyolite and Gossan origin and discoverer, etymology and class.

History of Rhyolite and Gossan

The history of Rhyolite 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.

Rhyolite and Gossan Origin and Discoverer

Rhyolite and Gossan definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Rhyolite and Gossan. In this section, you will know about Rhyolite and Gossan Origin and Discoverer. Origin of Rhyolite is North America whereas Origin of Gossan is Indonesia. It is interesting to know the name of Rhyolite and Gossan discoverer. The Discoverer of Rhyolite is Ferdinand von Richthofen and the discoverer of Gossan is Cornish Gossen.

Etymology of Rhyolite and Gossan

Along with Rhyolite and Gossan definition, know more about the etymology of Rhyolite and Gossan. Etymology of Rhyolite and Gossan gives information about origin and formation of a particular rock. Know more about Formation of Rhyolite and Formation of Gossan. The etymology of Rhyolite is From German Rhyolit, from Greek rhuax lava stream + lithos stone while that of Gossan is From German Rhyolit, from Greek rhuax lava stream + lithos stone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Rhyolite belongs to Igneous Rocks while Gossan belongs to Metamorphic Rocks. The sub-class, group and other categories of Rhyolite and Gossan are listed below.

For Rhyolite,

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

For Gossan,

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