alte - annu
- alter
- alteration
- alteration curve
- alteration product
- alteration twin
- altered mineral
- altered rock
- altered slate
- altered volcanic rock
- alterite
- alternate
- alternate bands
- alternate folding
- alternate joints
- alternate motion
- alternate pick
- alternate sides of drift
- alternate sources of energy
- alternate stopes and pillars
- alternate stress
- alternate terrace
- alternating deposits
- alternating field demagnetization
- alternating strain
- alternating wave
- alternating waves
- alternation
- alternation of beds
- alternation of generations
- alternative
- alternative project
- altimeter
- altimeter-aneroid observation
- altimetric frequency curve
- altiplanation
- altiplanation terrace
- altiplano
- Altithermal
- altithermal
- altitude
