IODP SEDIS - Thesaurus -

Hf
USE	hafnium
SN	As of 1981, no longer a valid term for GeoRef. See electromagnetic waves. For the acid with this chemical formula, use hydrofluoric acid.

Hf-177/Hf-176
BT	isotopes
	.stable isotopes
	..Hf-177/Hf-176
BT	metals
	.hafnium
	..Hf-177/Hf-176
RT	isotope ratios
SN	This term has multiple hierarchies.

Hf/Lu
USE	Lu/Hf

HFS elements
USE	high-field-strength elements

HFSE
USE	high-field-strength elements