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Trondhjemite
Trondhjemite

Appinite
Appinite



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Trondhjemite and Appinite Definition

1 Definition
1.1 Definition
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.
Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished
1.2 History
1.2.1 Origin
Tonale, Italy
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
Not Available
From the variety of Lamprophyre Greek lampros bright and shining + porphureos purple
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
Plutonic
1.6 Other Categories
Coarse Grained Rock, Fine Grained Rock, Medium Grained Rock, Opaque Rock
Coarse Grained Rock, Fine Grained Rock, Opaque Rock

Definition of Trondhjemite and Appinite

The general Trondhjemite and Appinite definition can be stated as: 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.. On the other hand, Appinite is an igneous rock in which the crystals are so fine grained that individual minerals cannot be easily distinguished. Along with definition of Trondhjemite and Appinite, get to know about Properties of Trondhjemite and Appinite. Get to know more information about Trondhjemite and Appinite origin and discoverer, etymology and class.

History of Trondhjemite and Appinite

The history of Trondhjemite and Appinite 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 Appinite Origin and Discoverer

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

Etymology of Trondhjemite and Appinite

Along with Trondhjemite and Appinite definition, know more about the etymology of Trondhjemite and Appinite. Etymology of Trondhjemite and Appinite gives information about origin and formation of a particular rock. Know more about Formation of Trondhjemite and Formation of Appinite. The etymology of Trondhjemite is not available while that of Appinite is not available. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Trondhjemite and Appinite belong to Igneous Rocks. The sub-class, group and other categories of Trondhjemite and Appinite are listed below.

For Trondhjemite,

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

For Appinite,

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