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Greywacke
Greywacke

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Greywacke and Basalt Definition

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1 Definition
1.1 Definition
Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay
Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth
1.2 History
1.2.1 Origin
Unknown
Egypt
1.2.2 Discoverer
Unknown
Georgius Agricola
1.3 Etymology
From German Grauwacke, from grau grey + wacke
From Late Latin Basaltes (variant of basanites ), very hard stone, which was imported from Ancient Greek Basanites
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Hard Rock
Durable Rock, Medium Hardness Rock
1.5 Family
1.5.1 Group
Not Applicable
Volcanic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Greywacke and Basalt

The general Greywacke and Basalt definition can be stated as: Greywacke is defined as a dark coarse-grained sandstone rock which contains more than 15 per cent clay. On the other hand, Basalt is a common extrusive igneous rock formed by the rapid cooling of basaltic lava exposed at or very near the surface of Earth. Along with definition of Greywacke and Basalt, get to know about Properties of Greywacke and Basalt. Get to know more information about Greywacke and Basalt origin and discoverer, etymology and class.

History of Greywacke and Basalt

The history of Greywacke and Basalt 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.

Greywacke and Basalt Origin and Discoverer

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

Etymology of Greywacke and Basalt

Along with Greywacke and Basalt definition, know more about the etymology of Greywacke and Basalt. Etymology of Greywacke and Basalt gives information about origin and formation of a particular rock. Know more about Formation of Greywacke and Formation of Basalt. The etymology of Greywacke is From German Grauwacke, from grau grey + wacke while that of Basalt is From German Grauwacke, from grau grey + wacke. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Greywacke belongs to Sedimentary Rocks while Basalt belongs to Igneous Rocks. The sub-class, group and other categories of Greywacke and Basalt are listed below.

For Greywacke,

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

For Basalt,

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