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Rhyolite
Rhyolite

Troctolite
Troctolite



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Rhyolite and Troctolite Definition

1 Definition
1.1 Definition
Rhyolite is a fine-grained igneous rock which is rich in silica
Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro
1.2 History
1.2.1 Origin
North America
Unknown
1.2.2 Discoverer
Ferdinand von Richthofen
Christian Leopold von Buch
1.3 Etymology
From German Rhyolit, from Greek rhuax lava stream + lithos stone
From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Volcanic
Plutonic
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Definition of Rhyolite and Troctolite

The general Rhyolite and Troctolite definition can be stated as: Rhyolite is a fine-grained igneous rock which is rich in silica. On the other hand, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Rhyolite and Troctolite, get to know about Properties of Rhyolite and Troctolite. Get to know more information about Rhyolite and Troctolite origin and discoverer, etymology and class.

History of Rhyolite and Troctolite

The history of Rhyolite and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Rhyolite and Troctolite

Along with Rhyolite and Troctolite definition, know more about the etymology of Rhyolite and Troctolite. Etymology of Rhyolite and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Rhyolite and Formation of Troctolite. The etymology of Rhyolite is From German Rhyolit, from Greek rhuax lava stream + lithos stone while that of Troctolite 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 and Troctolite belong to Igneous Rocks. The sub-class, group and other categories of Rhyolite and Troctolite are listed below.

For Rhyolite,

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

For Troctolite,

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