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 Muscovite at Jefferson Co., New York, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1171.9Ma - 992.5Ma 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
USGS-U-Th-Pb-00349_207_206	1171.9	1071.9	Zircon			185681	Natural Bridge Gieseckite Locality, Natural Bridge, Wilna Township, Jefferson Co., New York, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00349_206_238	1042.5	992.5	Zircon			185681	Natural Bridge Gieseckite Locality, Natural Bridge, Wilna Township, Jefferson Co., New York, USA	USGS-U-Th-Pb	USGS-U-Th-Pb

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
USGS-U-Th-Pb-00349_206_238	1042.5	992.5	Zircon			185681	Natural Bridge Gieseckite Locality, Natural Bridge, Wilna Township, Jefferson Co., New York, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00349_207_206	1171.9	1071.9	Zircon			185681	Natural Bridge Gieseckite Locality, Natural Bridge, Wilna Township, Jefferson Co., New York, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00349_207_235	1071.2	1031.2	Zircon			185681	Natural Bridge Gieseckite Locality, Natural Bridge, Wilna Township, Jefferson Co., New York, USA	USGS-U-Th-Pb	USGS-U-Th-Pb