kelyphite

plural kelyphites

1. chemistryA substitution mineral found surrounding garnet in peridotites.

   Kelyphite is a fine grained, fibrous and radially oriented mineral assembly surrounding partially retrogressed garnet.

   2009, M. Obata, K. Ozawa, D. Spengler, American Geophysical Union, Fall Meeting 2009, abstract #V44A-02

   1 more example

   Relationships shown in Fig. 3, B and C demonstrate that formation of the symplectite predated development of glassy kelyphite veins which formed by decompression melting during rapid ascent of the host alnöite.

   2000 May 19, Kenneth D. Collerson with et al., “Rocks from the Mantle Transition Zone: Majorite-Bearing Xenoliths from Malaita, Southwest Pacific”, in Science, volume 288, number 5469, →DOI, →ISSN, pages 1215–1223