Pluto  search
RTCharon Satellite
 outer planets
 planetology
 planets
 satellites
 solar system
plutonic  search
SNA valid term through 1977.
plutonic rocks  search
BTigneous rocks
 .plutonic rocks
NTappinite
 carbonatites
 diabase
 diorites
 gabbros
 granites
 jotunite
 lamprophyres
 quartzolite
 syenites
 ultramafics
RTrocks
 hypabyssal rocks
 magmatism
 metaplutonic rocks
 schlieren
SNBefore 1978, also search plutonic.
plutonism  search
SNNot a valid term for GeoRef. Use magmatism or intrusions if applicable.
plutonium  search
BTmetals
 .actinides
 ..plutonium
NTPu-238
 Pu-239
 Pu-240
 Pu-240/Pu-239
 Pu-244
UFPu
plutons  search
BTintrusions
 .plutons
RTigneous rocks
 metasomatism
 emplacement
 batholiths