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 Tibet, China

The cyan highlights indicate which age entries were selected as the "best" for assigning the mineral an age of 41.6Ma - 0.0008Ma 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
PorphCu-00017	41.6	38.3		Actinolite, Bismuthinite, Bornite, Chalcopyrite, Copper, Covellite, Cubanite, Cuprite, Delafossite, Epidote, Fluorite, Galena, Gold, Hematite, Kaolinite, Magnetite, Malachite, Molybdenite, Montmorillonite, Pyrite, Pyrrhotite, Scheelite, Silver, Sphalerite, Tenorite	Cu	5792	Yulong Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
Scott-AGS81_861-0001	0.126	0.0008		Aragonite, Borax, Calcite, Dolomite, Gaylussite, Halite, Kaolinite, Mirabilite, Montmorillonite, Northupite, Pyrite, Thenardite, Zabuyelite		3257	Chabyer Caka (Chabyer Co; Zhabuye Chaka; Zhabuye Cuo; Zabuye Salt Lake), Zhongba Co., Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China	Mianping et al. (2007)	AGS81_861

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
PorphCu-00017	41.6	38.3		Actinolite, Bismuthinite, Bornite, Chalcopyrite, Copper, Covellite, Cubanite, Cuprite, Delafossite, Epidote, Fluorite, Galena, Gold, Hematite, Kaolinite, Magnetite, Malachite, Molybdenite, Montmorillonite, Pyrite, Pyrrhotite, Scheelite, Silver, Sphalerite, Tenorite	Cu	5792	Yulong Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
Scott-AGS81_861-0001	0.126	0.0008		Aragonite, Borax, Calcite, Dolomite, Gaylussite, Halite, Kaolinite, Mirabilite, Montmorillonite, Northupite, Pyrite, Thenardite, Zabuyelite		3257	Chabyer Caka (Chabyer Co; Zhabuye Chaka; Zhabuye Cuo; Zabuye Salt Lake), Zhongba Co., Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China	Mianping et al. (2007)	AGS81_861

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
Chen2007tbl01-70	66	0		Bornite, Chalcopyrite, Cubanite, Galena, Gold, Molybdenite, Pyrite, Sphalerite		5792	Yulong Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Chen et al. (2007)	OGR31_139
Jen_0000583	4.5	4.5				235214	Mount Namjagbarwa (Mount Nanjiabawa), Mêdog Co. (Motuo Co.), Nyingtri Prefecture (Linzhi Prefecture), Tibet, China	Woolley and Kjarsgaard (2008)	GSCOF5796
Jen_0000584	5.5	5.5	Phlogopite			235214	Mount Namjagbarwa (Mount Nanjiabawa), Mêdog Co. (Motuo Co.), Nyingtri Prefecture (Linzhi Prefecture), Tibet, China	Yang and Woolley(2006)	JAES27_559
Jen_0000585	3.5	3.5	Phlogopite			235214	Mount Namjagbarwa (Mount Nanjiabawa), Mêdog Co. (Motuo Co.), Nyingtri Prefecture (Linzhi Prefecture), Tibet, China	Yang and Woolley(2006)	JAES27_559
Kristen002249	41	40.5	Molybdenite		Cu	5792	Yulong Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Han et al. (2014)	RG64_136
Michelle_363	129.3	127.5	Zircon			5457	Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China	Zhang et al. (2016)	L245_93
Michelle_364	132.2	129.8	Zircon			5457	Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China	Zhang et al. (2016)	L245_93
Michelle_365	141.4	127.6	Titanite			5457	Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China	Zhang et al. (2016)	L245_93
Michelle_366	135.5	128.5	Titanite			5457	Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China	Zhang et al. (2016)	L245_93
Michelle_367	137.3	130.9	Titanite			5457	Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China	Zhang et al. (2016)	L245_93
Michelle_368	130	130				5457	Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China	Zhang et al. (2016)	L245_93
Mo-00070	41.2	39.8	Molybdenite		Mo	5792	Yulong Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Hou et al. (2006)	MD41_33
Mo-00071	41.1	39.7	Molybdenite		Mo	5792	Yulong Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Hou et al. (2006)	MD41_33
Mo-00072	41.8	40.2	Molybdenite		Mo	5792	Yulong Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Hou et al. (2006)	MD41_33
Mo-00073	41.6	40.2	Molybdenite		Mo	5792	Yulong Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Hou et al. (2006)	MD41_33
Mo-00074	41.9	38.3	Molybdenite	Molybdenite	Mo	5792	Yulong Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Hou et al. (2006)	MD41_33
Mo-00075	36.2	35.4	Molybdenite	Molybdenite	Mo	5793	Malasongduo Cu-Mo Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Du et al. (1994); Hou et al. (2006)
Mo-00326	36.4	35.6	Molybdenite	Molybdenite	Mo	142183	Duoxiasongduo Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Du et al. (1994); Hou et al. (2006)
PorphCu-00018	37.7	35.4		Bornite, Chalcopyrite, Galena, Hematite, Magnetite, Molybdenite, Pyrite, Sphalerite	Cu	5793	Malasongduo Cu-Mo Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00156	15.8	15.2		Bornite, Chalcopyrite, Molybdenite, Pyrite, Sphalerite	Cu	134565	Tinggong Cu-Mo Deposit (Tingguan Cu-Mo Deposit), Nyêmo Co. (Nimu Co.), Lhasa, Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00157	23	5.3		Anhydrite, Bornite, Chalcopyrite, Kaolinite, Magnetite, Molybdenite, Molybdite, Pyrite, Sphalerite	Cu	134575	Qulong Cu-(Mo) Deposit, Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00158	16.16	14.2		Bornite, Chalcopyrite, Epidote, Molybdenite, Pyrite, Sphalerite	Cu	134576	Jiama Cu-polymetallic Deposit (Gyama Cu-polymetallic Deposit; Jiamachikang Cu-polymetallic Deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00164	13.71	13.19		Bornite, Chalcopyrite, Covellite, Malachite, Molybdenite, Molybdite, Pyrite, Sphalerite	Cu	142172	Lakang'e Cu Deposit, Dagzê Co. (Dazi Co.), Lhasa, Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00165	38	38			Cu	142173	Mamupu Cu-Au Deposit, Markam Co. (Mangkang Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00166	37.8	37.2		Chalcocite, Chalcopyrite, Galena, Magnetite, Molybdenite, Pyrite, Sphalerite	Cu	142174	Mangzong Cu-(Mo) Deposit (Mangzhong Cu-(Mo) Deposit), Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00167	46	46		Chalcopyrite, Pyrite	Cu	142175	Xiariduo Cu-Au-Ag Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00168	16	12		Bornite, Chalcopyrite, Molybdenite, Pyrite, Sphalerite	Cu	142182	Dongga Cu Deposit, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00169	36.4	35.6		Bornite, Chalcopyrite, Galena, Kaolinite, Magnetite, Molybdenite, Pyrite, Sphalerite	Cu	142183	Duoxiasongduo Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00170	49	38			Cu	142185	Gegongnong Cu-Au Deposit (Gegonglong Cu-Au Deposit), Gonjo Co. (Gongjue Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00171	43	41		Chalcopyrite, Pyrite	Cu	142186	Hengxingcuo Cu-(Mo) Deposit, Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00172	40.7	40.7			Cu	142187	Jicuo Cu-(Mo) Deposit (Gicuo Cu-(Mo) Deposit), Markam Co. (Mangkang Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00173	14.89	14.45		Bornite, Chalcopyrite, Molybdenite, Pyrite, Sphalerite	Cu	142189	Nanmu Cu-(Mo) Deposit, Qüxü Co. (Qushui Co.), Lhasa, Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00174	40.5	36.5		Bismuthinite, Chalcocite, Chalcopyrite, Covellite, Magnetite, Molybdenite, Pyrite	Cu	142195	Zhanaga Cu-(Mo) Deposit (Zhalaga Cu-(Mo) Deposit), Jomdo Co. (Jiangda Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00175	36	36			Cu	142196	Seli Cu-(Mo) Deposit, Markam Co. (Mangkang Co.), Qamdo Prefecture (Changdu Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00190	25.71	24.89		Chalcopyrite, Copper, Cuprite, Molybdenite, Pyrite	Cu	142703	Zhunuo Cu-Mo-(Au) Deposit, Ngamring Co. (Angren Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00197	37.2	33.9		Bornite, Chalcopyrite, Epidote, Galena, Molybdenite, Pyrite	Cu	155898	Jiru Cu Deposit, Namling Co. (Nanmulin Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00637	385	318		Chalcocite, Chalcopyrite, Covellite, Gold, Magnetite, Pyrite, Pyrrhotite	Cu	210060	Xietongmen Cu-Au Deposit, Xaitongmoin Co. (Xietongmen Co.), Xigazê Prefecture (Rikaze Prefecture; Shigatse Prefecture), Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
PorphCu-00682	14.15	13.38		Bornite, Chalcopyrite, Molybdenite, Pyrite, Sphalerite	Cu	135329	Chongjiang Cu-(Mo-Au) Deposit, Nyêmo Co. (Nimu Co.), Lhasa, Tibet, China	Singer et al. (2008)	USGSOFR2008_1155
sedcu-00350	220	220			Cu	142176	Qamdo Prefecture (Changdu Prefecture), Tibet, China	Cox et al. (2003)	USGSOFR03_107