Home » Rocks » Metamorphic Rocks » Hornfels


Hornfels


A metamorphic rock without foliation.



What is Hornfels?



Hornfels is a fine-grained nonfoliated metamorphic rock with no specific composition. It is produced by contact metamorphism. Hornfels is a rock that was "baked" while near a heat source such as a magma chamber, sill or dike.




Find it on Geology.com




More from Geology.com


lapis lazuli
Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history.
rhyolite
Rhyolite: An extrusive igneous rock with a high silica content, produced from granitic magma.
Ant Hill Garnets
Ant Hill Garnets are tiny garnets that ants haul to the surface and discard on their anthill. Honest!
Value of Meteorites
How Much Are Meteorites Worth? Value ranges from $0.50 to $1,000 a gram.
Novarupta
Wrong Volcano! The most powerful eruption of the 20th century was misidentified?
Olympus Mons
Olympus Mons: The largest volcano in the solar system is on Mars.
US Diamond Mines
US Diamond Mines: Did you know that diamonds can be found in the United States?
Uses of Silver
Uses of Silver: Most people think of jewelry and coins, but the uses of silver are primary industrial.


Hornfels
Hornfels: The specimen shown is about two inches (five centimeters) across.


More Metamorphic Rocks
  Schist
  Slate
  Soapstone
  Quartzite
  Novaculite
  Gneiss
  Marble
  Amphibolite


© 2005-2016 Geology.com. All Rights Reserved.
Images, code, and content on this website are property of Geology.com and are protected by copyright law.
Geology.com does not grant permission for any use, republication, or redistribution.
Images, code and content owned by others are marked on the pages where they appear.