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Hornfels
Hornfels

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Hornfels and Scoria 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
Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities
1.2 History
1.2.1 Origin
New Zealand
Unknown
1.2.2 Discoverer
Unknown
Unknown
1.3 Etymology
From German which means hornstone
From late Middle English (denoting slag from molten metal), from Greek skōria refuse, from skōr dung
1.4 Class
Metamorphic Rocks
Igneous Rocks
1.4.1 Sub-Class
Durable Rock, Soft 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 Hornfels and Scoria

The general Hornfels and Scoria 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, Scoria is a dark-colored extrusive igneous rock with abundant round bubble-like cavities. Along with definition of Hornfels and Scoria, get to know about Properties of Hornfels and Scoria. Get to know more information about Hornfels and Scoria origin and discoverer, etymology and class.

History of Hornfels and Scoria

The history of Hornfels and Scoria 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 Scoria Origin and Discoverer

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

Etymology of Hornfels and Scoria

Along with Hornfels and Scoria definition, know more about the etymology of Hornfels and Scoria. Etymology of Hornfels and Scoria gives information about origin and formation of a particular rock. Know more about Formation of Hornfels and Formation of Scoria. The etymology of Hornfels is From German which means hornstone while that of Scoria 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 Scoria belongs to Igneous Rocks. The sub-class, group and other categories of Hornfels and Scoria are listed below.

For Hornfels,

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

For Scoria,

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