Scoria

Scoria

Description

A dark, bubble-filled, glassy, rock formed from lava. Large areas of scoria are found in volcanic craters and frothy areas of the magma flow.

Synonyms and Related Terms

volcanic cinders; scum; dross; pahoehoe; escoria (Esp.); scorie volcanique ( Fr.); escória (Port.); scoria (Ned.)

Additional Images

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  Scoria

Authority

• Anne Grimmer, Glossary of Building Stone Terms, A Glossary of Historic Masonry Deterioration Problems and Preservation Treatments, National Park Service, Washington DC, 1984

• Encyclopedia Britannica, http://www.britannica.com Comment: "scoria." Encyclopædia Britannica. 2004. Encyclopædia Britannica Premium Service. 9 Dec. 2004 .

• Wikipedia, the free encyclopedia, at http://www.wikipedia.com Comment: http://en.wikipedia.org/wiki/Scoria (accessed Dec. 9, 2004)

• Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997

• The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998