Hornfels and Shale Definition

Definition of Hornfels and Shale

The general Hornfels and Shale 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, Shale is a fine-grained sedimentary rock which is formed by the compaction of silt and clay-size mineral particles. Along with definition of Hornfels and Shale, get to know about Properties of Hornfels and Shale. Get to know more information about Hornfels and Shale origin and discoverer, etymology and class.

History of Hornfels and Shale

The history of Hornfels and Shale 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 Shale Origin and Discoverer

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

Etymology of Hornfels and Shale

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

For Hornfels,

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

For Shale,

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