tholeiite

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English[edit]

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Etymology[edit]

From German Tholeiit, from Tholei, a village in western Germany.

Pronunciation[edit]

Noun[edit]

tholeiite ‎(plural tholeiites)

  1. (geology) An igneous basaltic rock, formed from magma rich in magnesium and iron.
    • 2004, Richard Fortey, The Earth, Folio Society 2011, p. 51n:
      Correctly speaking, Hawaiian basalt is not just basalt, but is a special variety enriched in silica known as tholeiite.

Derived terms[edit]