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Hornfels

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Hornfels and Porphyry Definition

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1 Definition
1.1 Definition
Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock
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
New Zealand
Egypt
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From German which means hornstone
From Old French porfire, from Italian porfiro and in some cases directly from Latin porphyrites
1.4 Class
Metamorphic 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 Hornfels and Porphyry

The general Hornfels and Porphyry definition can be stated as: Hornfels is a metamorphic rock formed by the contact between mudstone or other clay rich rock, and a hot igneous body, and represents a heat altered equivalent of the original rock. 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 Hornfels and Porphyry, get to know about Properties of Hornfels and Porphyry. Get to know more information about Hornfels and Porphyry origin and discoverer, etymology and class.

History of Hornfels and Porphyry

The history of Hornfels 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.

Hornfels and Porphyry Origin and Discoverer

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

Etymology of Hornfels and Porphyry

Along with Hornfels and Porphyry definition, know more about the etymology of Hornfels and Porphyry. Etymology of Hornfels and Porphyry gives information about origin and formation of a particular rock. Know more about Formation of Hornfels and Formation of Porphyry. The etymology of Hornfels is From German which means hornstone while that of Porphyry is From German which means hornstone. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Hornfels belongs to Metamorphic Rocks while Porphyry belongs to Igneous Rocks. The sub-class, group and other categories of Hornfels and Porphyry are listed below.

For Hornfels,

  • 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