Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org

Ages for Quartz at Grand Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 75Ma - 61.4Ma at this locality

Age range from children

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
NAVDAT-33452	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33459	71.4	61.4				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT

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
NAVDAT-33452	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33453	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33454	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33455	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33456	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33457	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33458	75	66				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-33459	71.4	61.4				158769	Windy Gap, Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3782	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3783	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3784	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3785	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3786	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-3787	28.5	27				113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-51497	28.05	27.99	Sanidine			113699	Unknown Pumice (MRDS - 10190909), Grand Co., Colorado, USA	NAVDAT	NAVDAT