Assertion: zircon | /r/HasProperty | the focus of hafnium studies
Facets:
value: often
type: TEMPORAL
Source sentences:
text: In most geologic materials, zircon is the dominant host of hafnium (>10,000 ppm) and is often the focus of hafnium studies in geology.
text: In most geologic materials, zircon is the dominant host of hafnium (>10,000 ppm) and is often the focus of hafnium studies in geology.