Tourmaline-rich pseudomorphs in sillimanite zone metapelites: Demarcation of an infiltration front

@inproceedings{Dutrow1999TourmalinerichPI,
  title={Tourmaline-rich pseudomorphs in sillimanite zone metapelites: Demarcation of an infiltration front},
  author={Barbara L. Dutrow and Clifford T. Foster and Darrell J. Henry},
  year={1999}
}
Textural features combined with mineral chemistry preserved in metamorphic rocks provide insights into metamorphic reaction mechanisms as well as open vs. closed system processes. Prograde tourmaline-rich muscovite pseudomorphs after staurolite develop in sillimanite zone metapelites adjacent to peraluminous granitoid intrusives in NW Maine. Tourmalines occur in discrete domains restricted to central regions of muscovite-rich, quartz-poor pseudomorphs with biotite-rich margins. These tourmaline… CONTINUE READING

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