Last modified on July 13, 2016, at 13:41

Groundmass

Groundmass (also called matrix) is a mass of rock in which larger crystals may be set.[1]

Notes

  1. ↑ Pellant, p. 250

References

  • Pellant, Chris. The Complete Book of Rocks and Minerals, Dorling Kindersley Inc.: New York (1995)