Look up: skarn

1. Skarn
   Limestones that have been altered to form a variety of minerals, including epidote, olivine, vesuvianite and ungrandite garnets, together with some ore minerals and boron-bearing minerals such as tourmaline.
   Found on http://www.quartznall.co.uk/azhealthguid
   
   
2. skarn
   in geology, metamorphic zone developed in the contact area around igneous rock intrusions when carbonate sedimentary rocks are invaded by large ... [6 related articles]
   Found on http://www.britannica.com/eb/a-z/s/104
   
   
3. Skarn
   Skarn is a calcite rock formed from pre-existent limestone and dolostone when molten magma escapes from the Earth's mantle and becomes injected into the upper crust where it forms igneous intrusions altering the existing rocks by its heat.
   Found on http://www.probertencyclopaedia.com/brow
   
   
4. Skarn
   `Skarn` is an old Swedish mining term originally used to describe a type of silicate gangue, or waste rock, associated with iron-ore bearing sulfide deposits apparently replacing Archean age limestones in Sweden`s Persberg mining district. In modern usage the term "skarn" has been expanded...
   Found on http://en.wikipedia.org/wiki/Skarn