ALL meanings of gneiss
gneiss
G g - noun gneiss geology: type of rock 1
- noun gneiss A metamorphic rock with a banded or foliated structure, typically coarse-grained and consisting mainly of feldspar, quartz, and mica. 1
- noun gneiss a metamorphic rock, generally made up of bands that differ in color and composition, some bands being rich in feldspar and quartz, others rich in hornblende or mica. 1
- noun gneiss any coarse-grained metamorphic rock that is banded and foliated: represents the last stage in the metamorphism of rocks before melting 0
- noun gneiss a coarsegrained, metamorphic rock resembling granite, consisting of alternating layers of different minerals, such as feldspar, quartz, mica, and hornblende, and having a banded appearance 0