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Trondhjemite
Trondhjemite

Nephelinite
Nephelinite



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Trondhjemite
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Trondhjemite and Nephelinite Definition

Definition

Definition

Origin

Discoverer

Etymology

Class

Sub-Class

Group

Other Categories

 
Trondhjemite is a leucocratic (light-colored) intrusive igneous rock. It is a variety of tonalite in which the plagioclase is mostly in the form of oligoclase. Trondhjemites are sometimes known as plagiogranites.
Tonale, Italy
Unknown
From Trondheim, Norway
Igneous Rocks
Durable Rock, Hard Rock
Plutonic
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
 
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).
Brazil
Unknown
from French néphéline, from Greek nephelē
Igneous Rocks
Durable Rock, Hard Rock
Plutonic
Fine Grained Rock, Opaque Rock

Definition of Trondhjemite and Nephelinite

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

History of Trondhjemite and Nephelinite

The history of Trondhjemite and Nephelinite 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.

Trondhjemite and Nephelinite Origin and Discoverer

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

Etymology of Trondhjemite and Nephelinite

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

For Trondhjemite,

  • Sub-class:
  • Group:
  • Other Categories:

For Nephelinite,

  • Sub-class:
  • Group:
  • Other Categories: