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 Ludwigite at York Range, Seward Peninsula, Nome Census Area, Alaska, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 74.7Ma - 71.5Ma 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-Rb-Sr-05533	74.7	71.5				69237	Ear Mountain, York Range, Seward Peninsula, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr

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-Rb-Sr-05533	74.7	71.5				69237	Ear Mountain, York Range, Seward Peninsula, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05534	74.7	71.5				69237	Ear Mountain, York Range, Seward Peninsula, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-05535	74.7	71.5				69237	Ear Mountain, York Range, Seward Peninsula, Nome Census Area, Alaska, USA	USGS-Rb-Sr	USGS-Rb-Sr