bart - bioa
- barthite
- bartonian
- barylite
- barysil
- barysilite
- barysphere
- baryte
- barytocalcite
- barytocelestine
- barytocelestite
- basal complex
- basal conglomerate
- basal granule
- basal sandstone
- basal structure
- basalt
- basalt eclogite transformation
- basaltic
- basaltic andesite
- basaltic augite
- basaltic hornblende
- basaltic layer
- basaltic magma
- basaltic structure
- basaltic substratum
- basaltic tuff
- basaltic wacke
- basanite
- basanitoid
- base
- base centered lattice
- base desaturation
- base exchange
- base exchange capacity
- base flow
- base level
- base level of erosion
- base line
- base of crude oil
- base plate
