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 Borocookeite at Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 128.8Ma - 122.8Ma 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
Alexandra-0118	128.8	126.4	Muscovite			43374	Oktyabrskaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia	Zagorsky and Peretyazhko (2010)	DES430_172
Alexandra-0121	125.2	122.8				248624	Oreshnaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia	Zagorsky and Peretyazhko (2010)	DES430_172

Specified 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
Grew_Li_2019_0010	126	126		Borocookeite		43373	Sosedka Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia	Zagorsky and Peretyazko (2010)	DES430_172

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-0117	125.8	123.6				43374	Oktyabrskaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia	Zagorsky and Peretyazhko (2010)	DES430_172
Alexandra-0118	128.8	126.4	Muscovite			43374	Oktyabrskaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia	Zagorsky and Peretyazhko (2010)	DES430_172
Alexandra-0119	127.2	125				43374	Oktyabrskaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia	Zagorsky and Peretyazhko (2010)	DES430_172
Alexandra-0120	127.4	125	Muscovite			248624	Oreshnaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia	Zagorsky and Peretyazhko (2010)	DES430_172
Alexandra-0121	125.2	122.8				248624	Oreshnaya Pegmatite Vein, Malkhan Pegmatite Field (Malchan; "Malechansk"), Krasnyi Chikoy, Chitinskaya Oblast, Zabaykalsky Krai, Russia	Zagorsky and Peretyazhko (2010)	DES430_172