U-238/Th-230  search
BTisotopes
 .radioactive isotopes
 ..U-238/Th-230
BTmetals
 .actinides
 ..thorium
 ...U-238/Th-230
BTmetals
 .actinides
 ..uranium
 ...U-238/Th-230
UFTh-230/U-238
RTisotope ratios
 Th-230
 U-238
SNThis term has multiple hierarchies.