IODP SEDIS - Thesaurus -

Ra-228
BT	isotopes
	.radioactive isotopes
	..Ra-228
BT	metals
	.alkaline earth metals
	..radium
	...Ra-228
RT	Ra-228/Ra-226
SN	This term has multiple hierarchies.

Ra-228/Ra-226
BT	isotopes
	.radioactive isotopes
	..Ra-228/Ra-226
BT	metals
	.alkaline earth metals
	..radium
	...Ra-228/Ra-226
RT	isotope ratios
	Ra-226
	Ra-228
SN	This term has multiple hierarchies.