trachy-

trachy-

(word root) rough
Examples of words with the root trachy-: trachycarpous
Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree
References in periodicals archive ?
These volcanic strata can be divided into the Majiashan, Lingxiang, and Dasi formations from bottom to top, with compositions of (trachy-) basalt, (trachy-) andesite, (trachy-) dacite, and rhyolite [22, 26, 36].
The petrography and geochemistry of the volcanic rocks of basalt-chert unit shows that these rocks are basaltic trachy-andesite, trachy- andesite and foidite (Fig.
92 112 118 A B 8a Rock type Basalt Basalt Basalt Trachy- Trachy- Trachy- andesite andesite andesite Plagioclase phenocrysts 3.9 3.5 6.4 11.5 16.5 6.4 Pyroxene phenocrysts 0.0 0.0 0.0 1.1 0.7 1.4 Olivine phenocrysts 0.0 0.0 0.0 0.5 0.9 0.5 Opaque phenocrysts 0.3 0.5 0.7 2.0 1.0 1.5 Plagioclase groundmass 43.7 43.8 37.7 40.7 42.1 44.2 Pyroxene groundmass 25.5 29.5 29.5 8.8 12.8 13.5 Olivine groundmass 3.4 1.9 3.0 0.3 3.3 5.9 Opaque groundmass 22.3 17.9 21.0 6.2 7.6 9.9 Apatite Tr.