- ablation
- abrasion
- adjustment
- aftershock
- alluvia
- alluvium
- alternant
- anticlinal
- anticline
- antipode
- aqueous
- aquifer
- archeozoic
- augitə
- auric
- back sight
- azoic
- bed
- belemnite
- basin
- basset
- bay
- bearing bed
- bedding
- bell
- black earth
- boning rod
- bowlder
- boss
- boulder
- breeze
- cambrian
- cainozoic
- carboniferous
- carbonaceous
- cataclysm
- catastrophism
- chellean
- chine
- chert
- chop
- circus
- cirque
- clastic
- cleavage
- climax
- co-tidal
- coal-measures
- codeclination
- col
- comanchean
- compaction trend
- conduit
- conglomerate
- concretion
- compactness
- conchiferous
- couloir
- cove
- creep
- crept
- cretaceous
- crust
- cross staff
- day
- degradation
- degrade
- dejecta
- delta
- deposit
- denudation
- devonian
- diatomaceous earth
- dike
- dilapidation
- diluvial
- diluvium
- diorite
- detrital
- dislocation
- dislocate
- down dip
- downthrow
- drift
- dyke
- eboulement
- edge water
- egress
- effusive
- ejecta
- elf-arrow
- elf-bolt
- eluvial
- endogenous
- endomorphic
- eozoic
- epicentre
- epifocus
- epigene
- epigenetic