IODP SEDIS - Thesaurus -

U-234
BT	isotopes
	.radioactive isotopes
	..U-234
BT	metals
	.actinides
	..uranium
	...U-234
RT	U-234/Th-230
	U-238/U-234
SN	This term has multiple hierarchies.

U-234/Th-230
BT	isotopes
	.radioactive isotopes
	..U-234/Th-230
BT	metals
	.actinides
	..thorium
	...U-234/Th-230
BT	metals
	.actinides
	..uranium
	...U-234/Th-230
UF	Th-230/U-234
RT	isotope ratios
	Th-230
	U-234
SN	This term has multiple hierarchies.

U-234/U-238
USE	U-238/U-234