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Nephelinite
Nephelinite

Tachylite
Tachylite



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Nephelinite and Tachylite Definition

1 Definition
1.1 Definition
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).
Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt
1.2 History
1.2.1 Origin
Brazil
Iceland
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
from French néphéline, from Greek nephelē
From German Tachylite, from tachy- + Greek lutos soluble, melting
1.4 Class
Igneous Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock

Definition of Nephelinite and Tachylite

The general Nephelinite and Tachylite definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Tachylite is a vitreous form of basaltic volcanic glass. This glass is formed naturally by the rapid cooling of molten basalt. Along with definition of Nephelinite and Tachylite, get to know about Properties of Nephelinite and Tachylite. Get to know more information about Nephelinite and Tachylite origin and discoverer, etymology and class.

History of Nephelinite and Tachylite

The history of Nephelinite and Tachylite 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.

Nephelinite and Tachylite Origin and Discoverer

Nephelinite and Tachylite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Nephelinite and Tachylite. In this section, you will know about Nephelinite and Tachylite Origin and Discoverer. Origin of Nephelinite is Brazil whereas Origin of Tachylite is Iceland. It is interesting to know the name of Nephelinite and Tachylite discoverer. The discoverer of Nephelinite and Tachylite are Unknown.

Etymology of Nephelinite and Tachylite

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

For Nephelinite,

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

For Tachylite,

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