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 Montmorillonite at Twin Peaks Area, Barkol Co. (Barköl Co.; Balikun Co.), Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 270Ma - 182Ma 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
Kristen002265	270	182				144062	Shuangfengshan Au Deposit (Twin Peaks Au Deposit), Twin Peaks Area, Barkol Co. (Barköl Co.; Balikun Co.), Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China	Han et al. (2014)	RG64_136

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
Kristen002264	247	205				144062	Shuangfengshan Au Deposit (Twin Peaks Au Deposit), Twin Peaks Area, Barkol Co. (Barköl Co.; Balikun Co.), Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China	Han et al. (2014)	RG64_136
Kristen002265	270	182				144062	Shuangfengshan Au Deposit (Twin Peaks Au Deposit), Twin Peaks Area, Barkol Co. (Barköl Co.; Balikun Co.), Hami Prefecture (Kumul Prefecture; Qumul Prefecture), Xinjiang, China	Han et al. (2014)	RG64_136