allothrausmatic - annulus layers
- amplitude versus offset relationship
- amplitude versus offset trend
- amplitude-based horizon tracking
- amplitude-semi-range of the constituent
- ampoule
- ampulla Aster
- ampulla cup
- ampullaceous
- AMT
- AMT sounding
- amygdale
- amygdaloid
- amygdaloidal
- amygdaloidal basalt
- amygdaloidal rock
- amygdaloidal structure
- amygdaloidal texture
- amygdule
- amynodont
- Amynodontidae