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 Magnetite at Brown Bear Mine (Brown Bear Shaft), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 1445Ma - 87Ma at this locality

Locality age (remote)

Excel ID	Max Age (Ma)	Min Age (Ma)	Minerals explicitely stated as having this age	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Co-00006	1445	1410	Cobaltite, Erythrite, Heterogenite, Linnaeite, Safflorite	Co	3740	Blackbird Mine, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00007	1445	1410	Annabergite, Cobaltite	Co,Ni	3741	Haynes-Stellite Mine (Cobalt Mine), Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00025	1445	1410	Cobaltite, Erythrite, Millerite	Co,Ni	45583	Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00026	1445	1410	Cobaltite, Erythrite, Millerite	Co,Ni	45583	Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00027	1445	1410	Cobaltite, Erythrite, Millerite	Co,Ni	45583	Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00028	1445	1410	Cobaltite, Erythrite, Millerite	Co,Ni	45583	Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00029	1445	1410	Cobaltite, Erythrite, Millerite	Co,Ni	45583	Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00030	1445	1410	Cobaltite, Erythrite, Millerite	Co,Ni	45583	Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00031	1445	1410	Cobaltite, Erythrite, Millerite	Co,Ni	45583	Sunshine Prospect (Sunshine Mine; Sunshine Ore Zone; Ram Ore Zone), Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00044	1445	1410			136040	Blackpine Mine, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00045	1445	1410			138245	Iron Creek Deposit (Little No Name), Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00046	1445	1410			138245	Iron Creek Deposit (Little No Name), Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00047	1445	1410	Cobaltite	Co	139044	Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00048	1445	1410	Cobaltite	Co	139044	Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00049	1445	1410	Cobaltite	Co	139044	Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00050	1445	1410	Cobaltite	Co	139044	Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00051	1445	1410	Cobaltite	Co	139044	Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00052	1445	1410	Cobaltite	Co	139044	Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00053	1445	1410	Cobaltite	Co	139044	Merle Ore Zone, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00058	1445	1410	Cobaltite	Co	227852	Blacktail Pit, Blackbird Mine Complex, Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Co-00104	1445	1410		Co	24737	Blackbird District, Lemhi Co., Idaho, USA	Slack (2006)	BSEG101_275
Kristen002201	113	107			24737	Blackbird District, Lemhi Co., Idaho, USA	Aleinikoff et al. (2012)	EG107_1143
Kristen002202	97	87			24737	Blackbird District, Lemhi Co., Idaho, USA	Aleinikoff et al. (2012)	EG107_1143