IODP SEDIS - Thesaurus -

Rb/Sr
UF	Rb-Sr
	rubidium-strontium
	Sr/Rb
RT	absolute age
	isotope ratios
	thermochronology
	rubidium
	strontium
SN	Isotopic ratio used in age determination. Sr/Rb was used before 1989. Added to Thesaurus in 1989.