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Select a Term from the List
pahoehoe
paleoenvironment
Paleogene
paleomagnetism
paleontology
paleotalus
Paleozoic
Pangea
passive margin
peat
pebble
pegmatite
peneplain
period
permeability
Permian
petrified wood
petrography
petroleum
petrology
Phanerozoic
photosynthesis
pillow lava
placer
plate tectonics
playa
pluton
plutonic
pollen
porosity
porous
porphyry
Precambrian
propane
Proterozoic
pyrite
pyroclast
pyrrhotite
Last Modified: 2005-04-15