Paleoclimate
Paleocurrent map
Paleogeographic map
Paleomagnetism
Paleontology
Paleowind
Pangaea
Panthalassa
Parent element
Peat
Pedalfer
Pediment
Pedocal
Pegmatite
Pelagic sediment
Pelean eruption
Peneplain
Perched groundwater
Peridotite
Phreatic eruption
Phreatomagmatic eruption
Potable water
Pothole
Ppm
Pratt isostatic compensation
Preferred orientation
Proto-sun
Proven reserves
Pumice
P-wave
Pyroclastic rock
Pyroclastic texture
Pyroxene granulite