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 Topaz at South Baldface Mountain Phenakite Locality (Charles Ravine Locality), Chatham, Carroll Co., New Hampshire, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 171Ma - 171Ma 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
AREPS5_257-00033	171	171				6092	South Baldface Mountain Phenakite Locality (Charles Ravine Locality), Chatham, Carroll Co., New Hampshire, USA	Zartman (1977)	AREPS5_257