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Pegmatite
Pegmatite

Oil shale
Oil shale



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Pegmatite and Oil shale Definition

1 Definition
1.1 Definition
Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals
Oil Shale is a fine-grained sedimentary rock from which oil is extracted
1.2 History
1.2.1 Origin
Unknown
Unknown
1.2.2 Discoverer
R. J. Hauy
Unknown
1.3 Etymology
From Greek pegma, pegmat which means- thing joined together + -ite
From Old English scealu in its base sense of thing that divides or separate
1.4 Class
Igneous Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Plutonic
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Pegmatite and Oil shale

The general Pegmatite and Oil shale definition can be stated as: Pegmatite rock is a holocrystalline, intrusive igneous rock which is composed of interlocking phaneritic crystals. On the other hand, Oil Shale is a fine-grained sedimentary rock from which oil is extracted. Along with definition of Pegmatite and Oil shale, get to know about Properties of Pegmatite and Oil shale. Get to know more information about Pegmatite and Oil shale origin and discoverer, etymology and class.

History of Pegmatite and Oil shale

The history of Pegmatite and Oil shale 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.

Pegmatite and Oil shale Origin and Discoverer

Pegmatite and Oil shale definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Pegmatite and Oil shale. In this section, you will know about Pegmatite and Oil shale Origin and Discoverer. Origin of Pegmatite and Oil shale are Unknown. It is interesting to know the name of Pegmatite and Oil shale discoverer. The Discoverer of Pegmatite is R. J. Hauy and the discoverer of Oil shale is Unknown.

Etymology of Pegmatite and Oil shale

Along with Pegmatite and Oil shale definition, know more about the etymology of Pegmatite and Oil shale. Etymology of Pegmatite and Oil shale gives information about origin and formation of a particular rock. Know more about Formation of Pegmatite and Formation of Oil shale. The etymology of Pegmatite is From Greek pegma, pegmat which means- thing joined together + -ite while that of Oil shale is From Greek pegma, pegmat which means- thing joined together + -ite. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Pegmatite belongs to Igneous Rocks while Oil shale belongs to Sedimentary Rocks. The sub-class, group and other categories of Pegmatite and Oil shale are listed below.

For Pegmatite,

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

For Oil shale,

  • Sub-class: Durable Rock and Soft Rock
  • Group: Not applicable
  • Other Categories: Fine grained rock and Opaque rock