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 Sillimanite at Mariposa Co., California, USA

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 96.8Ma - 79.2Ma 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-32522	96.8	79.2				209371	May Lake, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Dated Mineral	Age applies to these Elements	Dated Locality ID	Dated Locality	Ref	Ref ID
Michelle_491	542	251			5530	Trumbull Peak Ba-silicate Deposit, Trumbull Peak, Clearing House, Clearing House District, East Belt, Mariposa Co., California, USA	Dunning and Cooper (1999)	MR30_411
NAVDAT-15933	91	86			209371	May Lake, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-32141	110	90			251819	Yosemite Village, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-32167	125.4	102.6			218864	Fish Camp, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-32190	125.4	102.6			209989	North Fork Chowchilla Creek, Red Mountain, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-32214	125.4	102.6			249156	Pilot Peak, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-32224	125.4	102.6			209989	North Fork Chowchilla Creek, Red Mountain, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-32522	96.8	79.2			209371	May Lake, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-37801	116	112			218864	Fish Camp, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41635	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41636	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41637	105	102			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41654	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41655	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41656	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41657	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41658	105	102			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41659	105	102			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41660	105	102			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41664	105	102			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41674	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41675	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41676	105	102			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41693	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41694	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41695	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41696	113.3	92.7			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41697	105	102			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41698	105	102			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41699	105	102			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-41703	105	102			218863	Yosemite Valley, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-46301	94	93			209371	May Lake, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-46302	94	93			209371	May Lake, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-46303	94	93			209371	May Lake, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-46304	94	93			209371	May Lake, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-46305	93	88.5			209371	May Lake, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
NAVDAT-46306	93	88.5			209371	May Lake, Yosemite National Park, Mariposa Co., California, USA	NAVDAT	NAVDAT
USGS-U-Th-Pb-02591_206_238	146	146	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02591_207_206	155	143	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02591_207_235	146	146	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02592_206_238	145	145	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02592_207_206	155	141	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02592_207_235	145	145	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02593_206_238	162	162	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02593_207_206	554	546	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02593_207_235	189	189	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02594_206_238	138	138	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02594_207_206	177	165	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02594_207_235	140	140	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02595_206_238	149	149	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02595_207_206	337	329	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02595_207_235	161	161	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02596_206_238	190	190	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02596_207_206	769	763	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02596_207_235	241	241	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02611_206_238	465	465	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02611_207_206	1409	1407	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
USGS-U-Th-Pb-02611_207_235	662	662	Zircon		249957	Waltz Property [2], Three Buttes (Tres Cerritos), Hornitos District, West Belt, Mariposa Co., California, USA	USGS-U-Th-Pb	USGS-U-Th-Pb
vms-01020	170	170		S	81928	Akoz Mine (Asposozien Mine; B.A.B. Mine; Radium Mine), Webb Station, West Belt, Mariposa Co., California, USA	Moiser et al. (2009)	USGSOFR2009_1034
vms-01024	170	170		S	81941	Blue Moon Mine (Porcupine Mine; Blue Cloud Mine; Red Cloud Mine; Percupine Mine; American Eagle Mine; Bullion Hill Mine), Quartzburg, Hornitos District, West Belt, Mariposa Co., California, USA	Moiser et al. (2009)	USGSOFR2009_1034