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Dunite
Dunite

Coquina
Coquina



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Dunite and Coquina Definition

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1 Definition
1.1 Definition
Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine
Coquina is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically-sorted fragments of the shells of molluscs, trilobites, brachiopods, or other invertebrates
1.2 History
1.2.1 Origin
New Zealand
European Foreland Basins
1.2.2 Discoverer
Ferdinand von Hochstetter
Unknown
1.3 Etymology
From the name of Dun Mountain, New Zealand, + -ite1
From Concha (Latin)+ Coquina(Spanish) +conch(English)= Couquina (mid 19th century)
1.4 Class
Igneous Rocks
Sedimentary Rocks
1.4.1 Sub-Class
Durable Rock, Medium Hardness Rock
Durable Rock, Soft Rock
1.5 Family
1.5.1 Group
Plutonic
Not Applicable
1.6 Other Categories
Coarse Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Definition of Dunite and Coquina

The general Dunite and Coquina definition can be stated as: Dunite is a green to brownish coarse-grained igneous rock mainly consisting of olivine. On the other hand, Coquina is a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically-sorted fragments of the shells of molluscs, trilobites, brachiopods, or other invertebrates. Along with definition of Dunite and Coquina, get to know about Properties of Dunite and Coquina. Get to know more information about Dunite and Coquina origin and discoverer, etymology and class.

History of Dunite and Coquina

The history of Dunite and Coquina 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.

Dunite and Coquina Origin and Discoverer

Dunite and Coquina definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Dunite and Coquina. In this section, you will know about Dunite and Coquina Origin and Discoverer. Origin of Dunite is New Zealand whereas Origin of Coquina is European Foreland Basins. It is interesting to know the name of Dunite and Coquina discoverer. The Discoverer of Dunite is Ferdinand von Hochstetter and the discoverer of Coquina is Unknown.

Etymology of Dunite and Coquina

Along with Dunite and Coquina definition, know more about the etymology of Dunite and Coquina. Etymology of Dunite and Coquina gives information about origin and formation of a particular rock. Know more about Formation of Dunite and Formation of Coquina. The etymology of Dunite is From the name of Dun Mountain, New Zealand, + -ite1 while that of Coquina is From the name of Dun Mountain, New Zealand, + -ite1. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Dunite belongs to Igneous Rocks while Coquina belongs to Sedimentary Rocks. The sub-class, group and other categories of Dunite and Coquina are listed below.

For Dunite,

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

For Coquina,

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