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Gneiss and Soapstone Definition

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1 Definition
1.1 Definition
Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks
It is a metamorphic magnesium rich rock because it is composed of the mineral talc
1.2 History
1.2.1 Origin
Unknown
USA
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From the Middle High German verb gneist (to spark; so called because the rock glitters)
From 17th century, because of its greasy feel and use like a soap
1.4 Class
Metamorphic Rocks
Metamorphic Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Not Applicable
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Medium Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Gneiss and Soapstone

The general Gneiss and Soapstone definition can be stated as: Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks. On the other hand, It is a metamorphic magnesium rich rock because it is composed of the mineral talc. Along with definition of Gneiss and Soapstone, get to know about Properties of Gneiss and Soapstone. Get to know more information about Gneiss and Soapstone origin and discoverer, etymology and class.

History of Gneiss and Soapstone

The history of Gneiss and Soapstone 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.

Gneiss and Soapstone Origin and Discoverer

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

Etymology of Gneiss and Soapstone

Along with Gneiss and Soapstone definition, know more about the etymology of Gneiss and Soapstone. Etymology of Gneiss and Soapstone gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Soapstone. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Soapstone is From the Middle High German verb gneist (to spark; so called because the rock glitters). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gneiss and Soapstone belong to Metamorphic Rocks. The sub-class, group and other categories of Gneiss and Soapstone are listed below.

For Gneiss,

  • Sub-class: Durable Rock and Hard Rock
  • Group: Not applicable
  • Other Categories: Coarse grained rock, Medium grained rock and Opaque rock

For Soapstone,

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