Inicio >  Term: shonkinite
shonkinite

A dark-colored syenite composed chiefly of augite and alkali feldspar, and possibly containing olivine, hornblende, biotite, and nepheline. Its name, given by Weed and Pirsson in 1895, is derived from Shonkin, the Indian name for the Highwood Mountains of Montana.

0 0

Creador

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 puntos
  • 100% positive feedback
© 2024 CSOFT International, Ltd.