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 Posnjakite at Käfersteige Mine, Würm, Pforzheim, Black Forest, Baden-Württemberg, Germany

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 252Ma - 5Ma at this locality

Locality age

Excel ID	Max Age (Ma)	Min Age (Ma)	Minerals explicitely stated as having this age	Dated Locality ID	Dated Locality	Ref	Ref ID
EJM21_817-00005	150	150		1852	Käfersteige Mine, Würm, Pforzheim, Black Forest, Baden-Württemberg, Germany	Pfaff et al. (2009)	EJM21_817
Giersdorf_00000025	23	5	Chalcopyrite, Emplectite, Fluorite, Marcasite, Sphalerite, Wittichenite	1852	Käfersteige Mine, Würm, Pforzheim, Black Forest, Baden-Württemberg, Germany	Staude et. al (2010)	MM74_309
Giersdorf_00000026	252	237		1852	Käfersteige Mine, Würm, Pforzheim, Black Forest, Baden-Württemberg, Germany	Staude et. al (2010)	MM74_309
Pfaff2009tbl06-20	150	140		1852	Käfersteige Mine, Würm, Pforzheim, Black Forest, Baden-Württemberg, Germany	Pfaff et al. (2009)	EJM21_817