Definition of skarn in English:

skarn

noun

Geology
  • Lime-bearing siliceous rock produced by the metamorphic alteration of limestone or dolomite.

    • ‘It would seem that these extremely rare specimens were created when gold mineralization was overprinted with later skarn mineralization.’
    • ‘In this issue I look at skarn, a metamorphic rock type.’
    • ‘The skarn is exposed along a steep mountainside that is gullied along its base by several small, intermittent streams that flow into a beautiful, boulder-filled river.’
    • ‘No skarn or tactite ores have been reported from the district.’
    • ‘I discovered light-colored skarn mineralogy when I climbed the hill looking for prospect pits.’

Origin

Early 20th century: from Swedish, literally dung, filth.

Pronunciation:

skarn

/skärn/