Folium (Noun)
Meaning
A thin layer or stratum of (especially metamorphic) rock.
Classification
Nouns denoting natural objects (not man-made).
Examples
- The geologist carefully extracted a folium of quartzite from the surrounding shale.
- The metamorphic rock was composed of alternating folia of marble and slate.
- A single folium of garnet-rich gneiss was visible in the outcropping of rock.
- The folium of staurolite schist was a distinctive feature of the mountain's geology.
- The rock face revealed a series of folia of phyllite, each one slightly different in texture and composition.