Earth:Casa Colorada (volcano)

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Template:Coord/display/intitle Casa Colorada is a dacitic volcanic dome complex erupted 17 million years ago. It has a volume of 1.5 cubic kilometres (0.36 cu mi). The complex formed in three stages, involving a tuff ring, lava domes and dacitic lava flows. It is constructed on red beds and a basement of Ordovician age. The main dome is dated 17.3 mya by potassium–argon dating. The main minerals are biotite, hornblende, feldspar and quartz; oxide minerals are also present.[1]

See also

References

  1. Prezzi, Claudia; Caffe, Pablo J.; Somoza, Rubén (September 2004). "New paleomagnetic data from the northern Puna and western Cordillera Oriental, Argentina: a new insight on the timing of rotational deformation". Journal of Geodynamics 38 (2): 93–115. doi:10.1016/j.jog.2004.05.001.