Radiative Transfer
Radiolarian
Radiolarian Ooze
Ray
Reaction Series
Recharge
Recrystallization
Rectangular Drainage
Recumbent Fold
Refraction (Wave)
Regional Metamorphism
Regolith
Regression
Relief
Remote Sensing
Replacement Deposit
Respiration
Reversible Reaction
Rheidity
Rhyolite
Ridge
Rift Valley
Right-lateral Fault
Ring Dike
Rip current
Ripple
Rock Cycle
Rock Flour
Rock Glacier
Rockslide
Runoff
Rupture Strength
Categories: [Geology Terms]