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 Sphalerite at Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 649Ma - 173Ma at this locality

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Dated Locality ID	Dated Locality	Ref	Ref ID
USGS-U-Th-Pb-00410_206_238	406	398	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00410_207_206	649	625	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00410_207_235	443	435	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00411_206_238	409	401	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00411_207_206	594	574	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00411_207_235	436	428	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00412_206_238	386	378	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00412_207_206	595	575	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00412_207_235	415	407	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00413_206_238	404	396	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00413_207_206	536	516	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00413_207_235	423	415	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00414_206_238	391	383	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00414_207_206	542	522	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00414_207_235	412	404	Zircon	22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00415_206_238	177	173		22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00415_207_206	293	285		22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00415_207_235	184	180		22967	Route 101/101A Road Cuts, Amherst, Hillsborough Co., New Hampshire, USA	USGS-U-Th-Pb	USGS-U-Th-Pb