differences method - district
- discontinuity
- discontinuity layer
- discontinuity of structure
- discontinuity structure
- discontinuity surface
- discontinuous boundary
- discontinuous distribution
- discontinuous ice
- discontinuous interface
- discontinuous margin
- discontinuous quartz veins
- discontinuous reaction series
- discontinuous reflection
- discontinuous reflector
- discontinuous refractor
- discontinuous septum
- discontinuous variation
- discontinuous waves
- discordance
- discordant
- discordant bedding
- discordant body
- discordant injection
- discordant intrusion
- discordant junction
- discordant unconformity
- discordant valley
- discorhabd
- discotriaene
- discouraging results
- discovered and prospective hydrocarbon reserves
- discovery
- discovery claim
- discovery well
- discreet
- discrepancy
- discrepitate
- discrete
- discrete data
- discrete measurements