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 Magnesite at San Mateo Co., California, USA

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

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
Hg-00134	5.3	0		Calomel, Cinnabar, Mercury, Metacinnabar, Montroydite, Terlinguaite, Wattersite, Eglestonite	Hg	220379	Emerald Lake Hills, San Mateo Co., California, USA	Studemeister (1984)	MD19_202
NAVDAT-34018	25	21				92362	Unnamed Au-Ag-K Mine [1], Pescadero, San Mateo Co., California, USA	NAVDAT	NAVDAT