Home » Rocks » Metamorphic Rocks » Hornfels

Hornfels


A metamorphic rock without foliation.


Hornfels

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

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.




Rock kit

Rock & Mineral Kits: Get a rock, mineral, or fossil kit to learn more about Earth materials.



More Rocks
  Tumbled Stones
  Siltstone
  Rock Tumblers
  Fluorescent Minerals
  Quartzite
  Rock Kits
  The Rock Used to Make Beer
  Lapis Lazuli

geology store

More From Geology.com:


Download Google Earth Free
Free Google Earth software allows you to browse seamless world satellite images. Free.
rocks
Rock Gallery: Photos of igneous, sedimentary and metamorphic rocks.
gem photos
100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Homeowners Insurance
Homeowners Insurance usually does not cover the most common geologic hazards.
Petrified Wood
Petrified Wood is a fossil that forms when dissolved material precipitates and replaces wood.
Gemstones
Gemstones: Fantastic images and articles about colored stones and diamonds.
Scapolite
Scapolite can be a pretty faceted stone or a translucent cab with cats eye and iris effects.
Garnet
Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses.