Structural Characterization of Natural and Processed Zircons with X-Rays and Nuclear Techniques

Table 4

Relative abundances representing the amount of PAC probes in the bridge region () relative to all the PAC probes in the metamict region ().

Geological origin of the samples	Natural sand	Micronized sand	Annealed micronized sand
USA	74	71	59
AUS	80	80	87
SUD	80	76	73