Phonolite and Troctolite Definition

Phonolite

Troctolite

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Definition

Origin

Discoverer

Etymology

Class

Sub-Class

Group

Other Categories

Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic

Unknown

From the Greek meaning sounding stone because of the metallic sound it produces if an unfractured plate is hit

Igneous Rocks

Durable Rock, Medium Hardness Rock

Fine Grained Rock, Opaque Rock

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

Christian Leopold von Buch

From German Troklotit, from Greek trōktēs, a marine fish (taken to be trout)

Igneous Rocks

Durable Rock, Hard Rock

Plutonic

Coarse Grained Rock, Opaque Rock

Definition of Phonolite and Troctolite

The general Phonolite and Troctolite definition can be stated as: . On the other hand, . Along with definition of Phonolite and Troctolite, get to know about Phonolite vs Troctolite. Get to know more information about Phonolite and Troctolite origin and discoverer, etymology and class.

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History of Phonolite and Troctolite

The history of Phonolite 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.

Phonolite and Troctolite Origin and Discoverer

Phonolite and Troctolite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Phonolite vs Troctolite. In this section, you will know about Phonolite and Troctolite Origin and Discoverer. Origin of Phonolite and Troctolite are . It is interesting to know the name of Phonolite and Troctolite discoverer. The discoverer of Phonolite and Troctolite are .

Etymology of Phonolite and Troctolite

Along with Phonolite and Troctolite definition, know more about the etymology of Phonolite and Troctolite. Etymology of Phonolite and Troctolite gives information about origin and formation of a particular rock. Know more about Formation of Phonolite and Formation of Troctolite. The etymology of Phonolite is while that of Troctolite is . The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Phonolite and Troctolite belong to . The sub-class, group and other categories of Phonolite and Troctolite are listed below.

For Phonolite,