IODP SEDIS - Thesaurus -

thorium
BT	metals
	.actinides
	..thorium
NT	Th-228
	Th-230
	Th-230/Ra-226
	Th-232
	Th-232/Th-230
	Th-234
	U-234/Th-230
	U-238/Th-230
	U-238/Th-232
UF	Th
RT	Io/Th
	Io/U
	isotopes
	Pb/Th
	HIMU
	Th/U
	U/Th/Pb
	thorium ores
	Th/Th
SN	Chemical element. Use thorium ores for thorium as a commodity.

thorium-lead
USE	Pb/Th

thorium-uranium
USE	Th/U