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 Opal at Uzbekistan

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 83.6Ma - 23.03Ma 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
Giersdorf_00001031	83.6	66			U	194848	Sugraly U Deposit, Navoiy, Uzbekistan	Laverov et al. (1992)	IGR34_549
Giersdorf_00001032	66	23.03			U	208294	Beshkak U Deposit, Lyavlyakan-Beshkak Ore Field, Central Kyzylkum Region, Navoiy, Uzbekistan	Laverov et al. (1992)	IGR34_549

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-0092	359	252				209873	Kokpatas Au-W Deposit, Kokpatas Village, Navoiy, Uzbekistan	Goldfarb et al. (2014)	GR25_48
Alexandra-0323	283	279				214654	Altyntau Granite Pluton, Uchkuduk Area, Navoiy, Uzbekistan	Seltmann et al. (2011)	JAES42_821
Alexandra-0324	280	272				233660	Karashoho Pipe, Bukantau Mts, Navoiy, Uzbekistan	Seltmann et al. (2011)	JAES42_821
Alexandra-0325	238	234	Zircon			224651	Muruntau Ore Field, Zarafshan, Central Kyzylkum Region, Navoiy, Uzbekistan	Seltmann et al. (2011)	JAES42_821
Alexandra-0331	425	407				206167	Kyzata Mine, Piskent District, Tashkent, Uzbekistan	Seltmann et al. (2011)	JAES42_821
Alexandra-0332	312	304			Au,Mo,Cu	8417	Kalmakyr Mine (Almalyk Mine), Piskent District, Tashkent, Uzbekistan	Seltmann et al. (2011)	JAES42_821
Alexandra-0333	316	314			Au,Mo,Cu	8417	Kalmakyr Mine (Almalyk Mine), Piskent District, Tashkent, Uzbekistan	Seltmann et al. (2011)	JAES42_821
Alexandra-0337	309	303			Au	206169	Sary Cheku Mine, Okhangaron District, Tashkent, Uzbekistan	Seltmann et al. (2011)	JAES42_821
Alexandra-0338	300	294				206169	Sary Cheku Mine, Okhangaron District, Tashkent, Uzbekistan	Seltmann et al. (2011)	JAES42_821
Giersdorf_00000172	285	275			Au	2813	Kairagach Au Deposit (Kaygarach), Okhangaron District, Tashkent, Uzbekistan	Kovalenker, et. al (2004)	IGCPEA486_239
Giersdorf_00001026	259.1	251.9			U	20028	Tashkent, Uzbekistan	Laverov et al. (1992)	IGR34_549
Giersdorf_00001029	93.9	89.8			U	219738	Uchkuduk Area, Navoiy, Uzbekistan	Laverov et al. (1992)	IGR34_549
Giersdorf_00001030	89.8	83.6			U	208295	Bukinai U Deposit, Lyavlyakan-Beshkak Ore Field, Central Kyzylkum Region, Navoiy, Uzbekistan	Laverov et al. (1992)	IGR34_549
Giersdorf_00001031	83.6	66			U	194848	Sugraly U Deposit, Navoiy, Uzbekistan	Laverov et al. (1992)	IGR34_549
Giersdorf_00001032	66	23.03			U	208294	Beshkak U Deposit, Lyavlyakan-Beshkak Ore Field, Central Kyzylkum Region, Navoiy, Uzbekistan	Laverov et al. (1992)	IGR34_549
Hg-00097	286	220		Cinnabar	Hg	47384	Muruntau Mine, Muruntau Ore Field, Zarafshan, Central Kyzylkum Region, Navoiy, Uzbekistan	Wilde et al. (2001)	EG96_633
Hg-00123	286	220		Cinnabar, Metacinnabar, Tiemannite	Hg	189467	Kul'dzhuk Deposit, Central Kyzylkum Region, Navoiy, Uzbekistan	Wilde et al. (2001)	EG96_633
Kristen002230	309	274			Cu,Au	219735	Kal'makyr Ore Body, Kalmakyr Mine (Almalyk Mine), Piskent District, Tashkent, Uzbekistan	Han et al. (2014)	RG64_136
Mo-00476	297	233		Molybdenite	Mo	224651	Muruntau Ore Field, Zarafshan, Central Kyzylkum Region, Navoiy, Uzbekistan	Kempe et al. (2001)	MD36_379
PorphCu-00026	309	270		Actinolite, Albite, Ankerite, Chalcopyrite, Chrysocolla, Covellite, Epidote, Galena, Gold, Magnetite, Marcasite, Molybdenite, Pyrite, Pyrrhotite, Scheelite, Sphalerite, Turquoise	Cu	8417	Kalmakyr Mine (Almalyk Mine), Piskent District, Tashkent, Uzbekistan	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00373	309	270		Actinolite, Anhydrite, Chalcopyrite, Epidote, Magnetite, Molybdenite, Pyrite	Cu	206167	Kyzata Mine, Piskent District, Tashkent, Uzbekistan	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00374	309	270		Anhydrite, Chalcopyrite, Galena, Hematite, Magnetite, Molybdenite, Pyrite, Sphalerite	Cu	206169	Sary Cheku Mine, Okhangaron District, Tashkent, Uzbekistan	Singer et al. (2008)	USGSOFR2008_1155