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 Cassia Co., Idaho, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 450Ma - 358Ma 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-02610	450	358				140788	South Mountain Pegmatites Occurrence, Goose Creek District, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr

Direct 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-02654	70.86	67.86	Muscovite			141530	Unnamed Lead Location (MRDS - 10265378), Oakley Area, Cassia Co., Idaho, 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
NAVDAT-35785	13.78	13.7	Sanidine			137742	Grant Prospect, Goose Creek District, Cassia Co., Idaho, USA	NAVDAT	NAVDAT
USGS-Rb-Sr-02603	450	358				140039	Quarry (MRDS - 10289550), Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02610	450	358				140788	South Mountain Pegmatites Occurrence, Goose Creek District, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02636	265	195				141530	Unnamed Lead Location (MRDS - 10265378), Oakley Area, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02637	24.6	23.4				141530	Unnamed Lead Location (MRDS - 10265378), Oakley Area, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02638	25.44	24.24				141530	Unnamed Lead Location (MRDS - 10265378), Oakley Area, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02639	25.44	24.24				141530	Unnamed Lead Location (MRDS - 10265378), Oakley Area, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02640	25.44	24.24				141530	Unnamed Lead Location (MRDS - 10265378), Oakley Area, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02650	265	195				141530	Unnamed Lead Location (MRDS - 10265378), Oakley Area, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02651	68.5	65.5				141530	Unnamed Lead Location (MRDS - 10265378), Oakley Area, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02652	70.86	67.86				141530	Unnamed Lead Location (MRDS - 10265378), Oakley Area, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02653	70.86	67.86				141530	Unnamed Lead Location (MRDS - 10265378), Oakley Area, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02655	29.6	27.6				135568	Almo Basin-Circle Creek No. 1, Almo Area, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-02656	29.3	27.3				135568	Almo Basin-Circle Creek No. 1, Almo Area, Cassia Co., Idaho, USA	USGS-Rb-Sr	USGS-Rb-Sr