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 Molybdenite at Jefferson Co., Montana, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 38.93Ma - 34.55Ma 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
PorphCu-00680	38.93	34.55		Chalcopyrite, Molybdenite, Pyrite	Cu	208399	Beaverton Cu Deposit, Alahambra Mining District (Golconda Mining District), Jefferson Co., Montana, USA	Singer et al. (2008)	USGSOFR2008_1155

Specified 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
PorphCu-00680	38.93	34.55		Chalcopyrite, Molybdenite, Pyrite	Cu	208399	Beaverton Cu Deposit, Alahambra Mining District (Golconda Mining District), Jefferson Co., Montana, USA	Singer et al. (2008)	USGSOFR2008_1155

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
Giersdorf_00000882	60	5.3			U	166261	W. Wilson Mine (Liverpool Mine), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA	Becraft (1956)	EG51_362
NAVDAT-76260	81.6	79.2				161264	Easter Lillie Mine (Ogle Mine), Pipestone Mining District, Jefferson Co., Montana, USA	NAVDAT	NAVDAT
USGS-Rb-Sr-02859	82.44	62.44				164311	Roosevelt Mine, Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-U-Th-Pb-00942_206_238	50	50				161573	G. Washington Mine (Member Of Presidents Group), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00942_207_206	135	135				161573	G. Washington Mine (Member Of Presidents Group), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-00942_207_235	55	55				161573	G. Washington Mine (Member Of Presidents Group), Clancy-Lump Gulch Mining District, Jefferson Co., Montana, USA	USGS-U-Th-Pb	USGS-U-Th-Pb