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Oil shale
Oil shale

Porphyry
Porphyry



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Oil shale and Porphyry Definition

1 Definition
1.1 Definition
Oil Shale is a fine-grained sedimentary rock from which oil is extracted
Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix
1.2 History
1.2.1 Origin
Unknown
Egypt
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From Old English scealu in its base sense of thing that divides or separate
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites
1.4 Class
Sedimentary Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft Rock
Durable Rock, Hard Rock
1.5 Family
1.5.1 Group
Not Applicable
Plutonic
1.6 Other Categories
Fine Grained Rock, Opaque Rock
Fine Grained Rock, Opaque Rock

Definition of Oil shale and Porphyry

The general Oil shale and Porphyry definition can be stated as: Oil Shale is a fine-grained sedimentary rock from which oil is extracted. On the other hand, Porphyry is a reddish-brown to purple igneous rock containing large phenocrysts of various minerals embedded in a fine-grained matrix. Along with definition of Oil shale and Porphyry, get to know about Properties of Oil shale and Porphyry. Get to know more information about Oil shale and Porphyry origin and discoverer, etymology and class.

History of Oil shale and Porphyry

The history of Oil shale and Porphyry 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.

Oil shale and Porphyry Origin and Discoverer

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

Etymology of Oil shale and Porphyry

Along with Oil shale and Porphyry definition, know more about the etymology of Oil shale and Porphyry. Etymology of Oil shale and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Oil shale and Formation of Porphyry. The etymology of Oil shale is From Old English scealu in its base sense of thing that divides or separate while that of Porphyry is From Old English scealu in its base sense of thing that divides or separate. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Oil shale belongs to Sedimentary Rocks while Porphyry belongs to Igneous Rocks. The sub-class, group and other categories of Oil shale and Porphyry are listed below.

For Oil shale,

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

For Porphyry,

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