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 Gunnison Co., Colorado, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 29Ma - 7.5Ma 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
NAVDAT-19705	29	19				114074	Silver Spruce Mine, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-31452	10	7.5				113785	Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT

Mineralization 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
Jen_0000011	1770	1760	Zircon		Si,Ti,Al,Fe,Mg,Ca,Na,K	113882	Gunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison District, Gunnison Co., Colorado, USA	Černý (1991)	PR51_429

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
Alexandra-0309	1450	1250				5902	Brown Derby Mine, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA	Aldrich et al. (1956)	JGR61_215
Alexandra-0394	570	570		Diopside, Fluorapatite, Ilmenite, Magnetite, Phlogopite, Titanite		3632	Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Van Gosen (2009)	USGSOFR2009_1005
Alexandra-0395	510	510				3632	Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Van Gosen (2009)	USGSOFR2009_1005
Bradley_2012_116	1713	1709	Zircon			113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
Bradley_2012_117	1415	1411	Zircon			113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
Bradley_2012_146	1490	1350				5902	Brown Derby Mine, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA	McCauley and Bradley (2014)	CM52_183
Cr-00017	1020	980		Crocoite	Cr	114064	Seventy-Six Shaft, Willow Creek District, Gunnison Co., Colorado, USA	Gastil (1960)	AJS258_1
Jen_0000010	1440	1440				113770	Black Wonder Occurrence, Quartz Creek Pegmatite District, Gunnison Co., Colorado, USA	Černý (1991)	PR51_429
Jen_0000100	1390.015	1389.985				158735	Curecanti Needle Area, Gunnison Co., Colorado, USA	Anderson (1983)	GSAM161_133
Jen_0000931	589	569				3632	Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000932	570	570				3632	Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000933	550	550	Titanite			3632	Iron Hill (Iron Hill Carbonatite Complex), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Woolley and Kjarsgaard (2008)	GSCOF5796
NAVDAT-19700	34	24				114021	Paradise Pass Occurrence, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19701	34	24				114021	Paradise Pass Occurrence, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-19705	29	19				114074	Silver Spruce Mine, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-31452	10	7.5				113785	Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-31453	10	7.5				113785	Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-31454	10	7.5				113785	Brush Creek Group, Elk Mountain District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
NAVDAT-36553	40	26				159276	Tomichi Dome, Tomichi District, Gunnison Co., Colorado, USA	NAVDAT	NAVDAT
ree-00659	570	570				113911	Iron Hill Area (Big Iron Hill; Du Pont Adit), White Earth District (Powderhorn District), Gunnison Co., Colorado, USA	Orris and Grauch (2002)	USGSOFR02_189
USGS-Rb-Sr-03999	1371.3	1291.3	Microcline			113937	Last Chance Mine (Unpatented Claim: Peifer; Peifer Quarry), Curecanti Needle Area, Gunnison Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04009	1734.13	1594.13				113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04012	1734.13	1594.13				113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr
USGS-Rb-Sr-04013	1734.13	1594.13				113764	Black Canyon Beryl Prospect, Curecanti Needle Area, Gunnison Co., Colorado, USA	USGS-Rb-Sr	USGS-Rb-Sr