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 Opal at Hulunbuir League (Hulunbei'er Prefecture), Inner Mongolia, China

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of Ma - Ma 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
Kristen002224	188	168	Molybdenite		Cu,Mo	142696	Wunugetushan Mine (Wunugetu Mine), Manjur Co. (Manzhouli Co.), Hulunbuir League (Hulunbei'er Prefecture), Inner Mongolia, China	Han et al. (2014)	RG64_136
PorphCu-00185	184	182		Chalcopyrite, Molybdenite, Pyrite, Rutile	Cu	142696	Wunugetushan Mine (Wunugetu Mine), Manjur Co. (Manzhouli Co.), Hulunbuir League (Hulunbei'er Prefecture), Inner Mongolia, China	Singer et al. (2008)	USGSOFR2008_1155