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 Marcasite at South Rim, Coconino Co., Arizona, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 188.1Ma - 183.5Ma 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
Kristen002173	188.1	183.5				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747

Locality age (prioritized)

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
Kristen002173	188.1	183.5				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747

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
EG87_1747_010	230	210			U	19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
EG87_1747_015	220	220			U	19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Giersdorf_00000586	91	83	Uraninite	Uraninite	U	19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Giersdorf_00000587	105	97	Uraninite	Uraninite	U	19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Kristen002175	63.9	63.1				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002176	150	148.4				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002177	134.6	128.2				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002178	180	177.2				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002179	470.9	463.3				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002180	56.3	55.7				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002181	144.3	142.9				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002182	121.1	117.3				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002183	293	263				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002184	287	261				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002185	361.1	349.9				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002186	242.8	236.4				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002187	359.2	344.8				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747
Kristen002188	200	200				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747

Locality age (deprioritized)

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_00000588	447	357	Uraninite	Uraninite	U	19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Miller et al. (1963)	GSAB74_609
Kristen002174	441.3	430.5				19917	Orphan Mine (Orphan Lode; Orphan N.P. 2004; Golden Crown Mining Co. Property; Western Gold And Uranium Property), Grand Canyon Village, Orphan Mining District, South Rim, Coconino Co., Arizona, USA	Ludwig and Simmons (1992)	EG87_1747