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 I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 990Ma - 230.03Ma at this locality

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Dated Locality ID	Dated Locality	Ref	Ref ID
USGS-Rb-Sr-06237	990	918		33585	I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06238	398	382	Microcline	33585	I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06239	242.03	230.03	Muscovite	33585	I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-06241	242.03	230.03	Muscovite	33585	I-93/Dascomb Rd. Area, Andover, Essex Co., Massachusetts, USA	USGS-Rb-Sr	USGS-Rb-Sr