Showing the characteristic banded or foliated structure of gneiss; having a gneiss-like appearance.
From gneiss plus -ose suffix. The -ose suffix (seen in grandiose, verbose) creates adjectives often meaning 'full of' or 'characterized by' a quality.
Gneissose, gneissoid, gneissic—these overlapping terms show how scientists need vocabulary depth: each nuance helps describe slightly different types of banding and composition in metamorphic rocks!
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