Geology and Minerals

Catlinite

Catlinite, also called pipestone, is a type of argillite (metamorphosed mudstone), usually brownish-red in color, which occurs in a matrix of Sioux Quartzite. Because it is fine-grained and easily worked, it is prized by Native Americans, primarily those of the Plains nations, for use in making ceremonial pipes, known as chanunpas (Lakota: čhaŋnúŋpa). Pipestone quarries are located and preserved in Pipestone National Monument outside Pipestone, Minnesota, in Pipestone County, Minnesota, and at the Pipestone River in Ontario, Canada.

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See also

• ▸Eodicynodon Assemblage Zone
• ▸Cesar Santos
• ▸Geology of New Caledonia

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