The unusual kyanite-quartz veins may have formed from metasomatism during the formation of the country rock which is a Iron-rich schist with staurolite and sillimanite and sometimes kyanite. Stop 3 Daniel et al.
References
Page 221 - Daniel, C. G. et al., 2016, Regional Al2SiO5 triple-point metamorphic rocks of northern New Mexico: A field trip to honor the career contributions of Lincoln Hollister to petrology and tectonics: Geol. Soc. Am. Field Guide 44, p. 201- 229.
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