Ages for Quartz at St Breward, Cornwall, England, UK

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of Ma - Ma at this locality

• Locality age

• Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
  Lucy_033	284	266				222156	Hantergantick Quarry, St Breward, Cornwall, England, UK	Darbyshire et al. (1985)	JGSL142_1159
  Lucy_034	284	266				222158	De Lank Quarry, St Breward, Cornwall, England, UK	Darbyshire et al. (1985)	JGSL142_1159
  Lucy_217	282	274				222157	St Breward, Cornwall, England, UK	Miller et al (1964)	GJ4_105
  Lucy_218	277	259	Muscovite			222157	St Breward, Cornwall, England, UK	Miller et al (1964)	GJ4_105