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Nephelinite
Nephelinite

Shale
Shale



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Nephelinite and Shale Definition

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1 Definition
1.1 Definition
Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).
Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles
1.2 History
1.2.1 Origin
Brazil
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
from French néphéline, from Greek nephelē
From German Schalstein laminated limestone, and Schalgebirge layer of stone in stratified rock. 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, Medium Hardness Rock
1.5 Family
1.5.1 Group
Plutonic
Not Applicable
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Nephelinite and Shale

The general Nephelinite and Shale 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, Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. Along with definition of Nephelinite and Shale, get to know about Properties of Nephelinite and Shale. Get to know more information about Nephelinite and Shale origin and discoverer, etymology and class.

History of Nephelinite and Shale

The history of Nephelinite and 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.

Nephelinite and Shale Origin and Discoverer

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

Etymology of Nephelinite and Shale

Along with Nephelinite and Shale definition, know more about the etymology of Nephelinite and Shale. Etymology of Nephelinite and Shale gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Shale. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Shale 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 belongs to Igneous Rocks while Shale belongs to Sedimentary Rocks. The sub-class, group and other categories of Nephelinite and Shale are listed below.

For Nephelinite,

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

For Shale,

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