IODP SEDIS - Thesaurus -

U-238/Th-230
BT	isotopes
	.radioactive isotopes
	..U-238/Th-230
BT	metals
	.actinides
	..thorium
	...U-238/Th-230
BT	metals
	.actinides
	..uranium
	...U-238/Th-230
UF	Th-230/U-238
RT	isotope ratios
	Th-230
	U-238
SN	This term has multiple hierarchies.