1. A thin layer or stratum of (especially metamorphic) rock

Derived forms: folia

See also: foliaceous

Type of: formation, geological formation

Encyclopedia: Folium

• order Tinamiformes
• order Torpediniformes
• order Tremellales
• order Trichoptera
• order Trogoniformes
• order Tuberales
• order Tubulidentata
• order Tulostomatales
• order Ulvales
• order Umbellales
• order Uredinales
• order Urodella
• order Uropygi
• order Urticales
• order Ustilaginales
• order Volvocales
• order Xiphosura
• order Xyridales
• order Zeomorphi
• order Zygnemales
• order Zygnematales
• order-Chenopodiales
• ordered
• ordered series
• orderer