Mineral Evolution Database
Created and maintained by the Mineral Evolution Project in partnership with RRUFF and mindat.
Mineral locality data provided by mindat.org



The Mineral Evolution database is currently under development.

The goal of this page is to present localities at which the mineral is found, and estimates of the oldest possible geologic age of the minerals at these localities.


Locality Name:
Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China

Oldest recorded age at locality: 141.4
Youngest recorded age at locality: 127.5

mindat Locality ID: 205723
mindat URL: http://www.mindat.org/loc-205723.html

Tectonic Settings:

Total number of sublocalities beneath "Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China": 7
Total number of bottom-level sublocalities: 4

Number of Child Localities: 2
Child Localities:
Luobusha Ophiolite ("Luobusa Ophiolite")
Shama Au Occurrence

Latitude: 29°4'42"N
Longitude: 92°2'50"E
Decimal Degree (lat, lon): 29.078333333333,92.047222222222

AThis mineral is Anthropogenic.
GThis mineral is directly dated.
BThis mineral is reported as having this age.
YThis mineral is using an age reported as an element mineralization period.
OThis mineral is using an age calculated from all data at the locality.
RThe age displayed for this mineral originates from a different, non-child locality.
PThe age displayed for this mineral is the range of ages for this mineral at all of this locality's children.
This mineral's age has not yet been recorded.

This Mineral list contains entries from this locality, including sub-localities. Minerals in bold are reported by mindat.org as occurring directly at this locality, and do not occur at any children (sublocalities) of this locality.

Elements at this locality, including sub-localities: Ag Al As Au B C Ca Co Cr Cu Fe H Ir K Mg Mn Mo N Ni O Os Pb Pd Pt Rh Ru S Sb Si Sn Sr Ti W Zn Zr 

Elements from minerals reported directly at this locality: 

Structural Groups for minerals in this locality: 
ArsenopyriteAuricuprideBaryteBowieiteBrownleeiteCalciteClayCopperCorundumDiamond
GarnetIronMeliliteMicaMilleriteModderiteMolybdeniteNickelineNoneNot in a structural group
OlivinePentlanditePerovskitePyritePyroxeneQuartzRocksaltRutileSkutteruditeSphalerite
SpinelTetrahedriteTitaniteWollastoniteWurtziteZircon

84 IMA Minerals at location:
Alabandite  (*)Almandine  (*)Aluminium  (*)Arsenopyrite  (*)Awaruite  (*)
Calcite  (*)Cassiterite  (*)Celestine  (*)Chromite  (*)Chromium  (*)
Coesite  (*)Copper  (*)Corundum  (*)Diamond  (*)Diopside  (*)
Dolomite  (*)Enstatite  (*)Erlichmanite  (*)Forsterite  (*)Galena  (*)
Gehlenite  (*)Gold  (*)Graphite  (*)Heazlewoodite  (*)Hematite  (*)
Ilmenite  (*)Iridarsenite  (*)Iridium  (*)Iron  (*)Kashinite  (*)
Kyanite  (*)Laurite  (*)Lead  (*)Lime  (*)Linzhiite  (*)
Litharge  (*)Luobusaite  (*)Mackinawite  (*)Magnesiochromite  (*)Magnetite  (*)
Millerite  (*)Moissanite  (*)Molybdenite  (*)Muscovite  (*)Naquite  (*)
Nickel  (*)Osbornite  (*)Osmium  (*)Palladium  (*)Pentlandite  (*)
Periclase  (*)Phlogopite  (*)Polkanovite  (*)Pyrite  (*)Pyrrhotite  (*)
Qingsongite  (*)Quartz  (*)Qusongite  (*)Rambergite  (*)Rhodium  (*)
Ruthenarsenite  (*)Ruthenium  (*)Rutile  (*)Silicon  (*)Sillimanite  (*)
Silver  (*)Skutterudite  (*)Sperrylite  (*)Sphalerite  (*)Spinel  (*)
Tetrahedrite-(Zn)  (*)Tin  (*)Titanite  (*)Titanium  (*)Troilite  (*)
Tungsten  (*)Uvarovite  (*)Wollastonite  (*)Wüstite  (*)Yarlongite  (*)
Zangboite  (*)Zinc  (*)Zincite  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Alabandite  (*)RocksaltMnS141.4127.5143972312
Almandine  (*)GarnetFe2+3Al2(SiO4)3141.4127.51439722353
Aluminium  (*)CopperAl141.4127.514397227
Arsenopyrite  (*)ArsenopyriteFeAsS141.4127.51439729052
Awaruite  (*)Auricupride PerovskiteNi3Fe141.4127.5143972166
Calcite  (*)CalciteCa(CO3)141.4127.5243972,4397827770
Cassiterite  (*)RutileSnO2141.4127.51439745171
Celestine  (*)BaryteSr(SO4)141.4127.51439721252
Chromite  (*)SpinelFe2+Cr2O4141.4127.5343972,43973,439773902
Chromium  (*)IronCr141.4127.514397226
Coesite  (*)Not in a structural groupSiO2141.4127.5243972,4397677
Copper  (*)CopperCu141.4127.51439723846
Corundum  (*)CorundumAl2O3141.4127.5343972,43973,439741797
Diamond  (*)DiamondC141.4127.5343972,43973,43974697
Diopside  (*)PyroxeneCaMgSi2O6141.4127.51439724135
Dolomite  (*)NoneCaMg(CO3)2141.4127.51439729895
Enstatite  (*)PyroxeneMg2Si2O6141.4127.5143972944
Erlichmanite  (*)PyriteOsS2141.4127.5143972110
Forsterite  (*)OlivineMg2(SiO4)141.4127.51439721188
Galena  (*)RocksaltPbS141.4127.5243972,4397424243
Gehlenite  (*)MeliliteCa2Al(SiAl)O7141.4127.5143972114
Gold  (*)CopperAu141.4127.5243972,4397830554
Graphite  (*)NoneC141.4127.51439722812
Heazlewoodite  (*)NoneNi3S2141.4127.5143972205
Hematite  (*)CorundumFe2O3141.4127.514397214640
Ilmenite  (*)CorundumFe2+Ti4+O3141.4127.51439745433
Iridarsenite  (*)NoneIrAs2141.4127.514397213
Iridium  (*)CopperIr141.4127.5143972162
Iron  (*)IronFe141.4127.5343972,43973,439741089
Kashinite  (*)BowieiteIr2S3141.4127.514397229
Kyanite  (*)Not in a structural groupAl2OSiO4141.4127.5343972,43973,439761507
Laurite  (*)PyriteRuS2141.4127.5143972226
Lead  (*)CopperPb141.4127.5143972192
Lime  (*)RocksaltCaO141.4127.514397211
Linzhiite  (*)NoneFeSi2141.4127.51439727
Litharge  (*)NonePbO141.4127.5143972139
Luobusaite  (*)NoneFe0.84Si2141.4127.5243972,439761
Mackinawite  (*)None(Fe,Ni)1+xS (x = 0-0.07)141.4127.5143972451
Magnesiochromite  (*)SpinelMgCr2O4141.4127.5143972311
Magnetite  (*)SpinelFe2+Fe3+2O4141.4127.5243972,4397414899
Millerite  (*)MilleriteNiS141.4127.51439721066
Moissanite  (*)WurtziteSiC141.4127.5343972,43973,4397457
Molybdenite  (*)MolybdeniteMoS2141.4127.51439725800
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)2141.4127.5243972,4397817380
Naquite  (*)BrownleeiteFeSi141.4127.51439728
Nickel  (*)CopperNi141.4127.514397257
Osbornite  (*)RocksaltTiN141.4127.514397620
Osmium  (*)NoneOs141.4127.5143972169
Palladium  (*)CopperPd141.4127.514397259
Pentlandite  (*)Pentlandite(Ni,Fe)9S8141.4127.5243972,439741512
Periclase  (*)RocksaltMgO141.4127.5243972,43974114
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)2141.4127.51439722273
Polkanovite  (*)NoneRh12As7141.4127.51439724
Pyrite  (*)PyriteFeS2141.4127.5343972,43974,4397839462
Pyrrhotite  (*)NickelineFe7S8141.4127.51439729056
Qingsongite  (*)SphaleriteBN141.4127.51439761
Quartz  (*)QuartzSiO214397861156
Qusongite  (*)NoneWC141.4127.5243972,439763
Rambergite  (*)WurtziteMnS141.4127.51439726
Rhodium  (*)CopperRh141.4127.514397217
Ruthenarsenite  (*)Modderite(Ru,Ni)As141.4127.51439729
Ruthenium  (*)NoneRu141.4127.514397246
Rutile  (*)RutileTiO2141.4127.5343972,43973,439745614
Silicon  (*)DiamondSi141.4127.5343972,43974,4397621
Sillimanite  (*)Not in a structural groupAl2SiO5141.4127.51439721516
Silver  (*)CopperAg141.4127.51439725186
Skutterudite  (*)Skutterudite PerovskiteCoAs3141.4127.5143972531
Sperrylite  (*)PyritePtAs2141.4127.5143972337
Sphalerite  (*)SphaleriteZnS141.4127.5243972,4397421482
Spinel  (*)SpinelMgAl2O4141.4127.51439721934
Tetrahedrite-(Zn)  (*)TetrahedriteCu6(Cu4Zn2)Sb4S13141.4127.51439745317
Tin  (*)NoneSn141.4127.514397263
Titanite  (*)TitaniteCaTi(SiO4)O141.4127.61439724899
Titanium  (*)NoneTi141.4127.5343972,43973,439768
Troilite  (*)NoneFeS141.4127.51439721044
Tungsten  (*)IronW141.4127.514397223
Uvarovite  (*)GarnetCa3Cr2(SiO4)3141.4127.5143972212
Wollastonite  (*)WollastoniteCaSiO3141.4127.51439721247
Wüstite  (*)RocksaltFeO141.4127.5243972,4397474
Yarlongite  (*)None(Cr4Fe4Ni)C4141.4127.5243972,439761
Zangboite  (*)NoneTiFeSi2141.4127.51439762
Zinc  (*)NoneZn141.4127.514397252
Zincite  (*)WurtziteZnO141.4127.514397298
Zircon  (*)ZirconZr(SiO4)132.2127.5243972,439735251



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Michelle_363Gabbroic dyke cutting serpentinites of the Luobusa Ophiolite of the eastern part of the Yarlung Zangbo Suture Zone.
Michelle_364Amphibolite of the Luobusa Ophiolite of the eastern part of the Yarlung Zangbo Suture Zone.
Michelle_365Amphibolite of the Luobusa Ophiolite of the eastern part of the Yarlung Zangbo Suture Zone.
Michelle_366Amphibolite of the Luobusa Ophiolite of the eastern part of the Yarlung Zangbo Suture Zone.
Michelle_367Amphibolite of the Luobusa Ophiolite of the eastern part of the Yarlung Zangbo Suture Zone.
Michelle_368Luobosa mafic rocks of the Luobusa Ophiolite of the eastern part of the Yarlung Zangbo Suture Zone.


6 Ages assigned to this locality:

Excel IDMax Age (Ma)Min Age (Ma)Age as listed in referenceDating MethodAge InterpretPrioritized?Sample SourceSample NumRun NumAge from other LocalityDated MineralMinerals explicitely stated as having this ageAge applies to these ElementsMinDat Locality IDDated Locality (Max Age)Location as listed in referenceReferenceReference DOIReference IDAge Notes
Michelle_363129.3127.5128.4±0.9U-PbAge of ophiolitezircon13LBS08  Zircon  5457Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, ChinaLuobusa OphioliteZhang et al. (2016)10.1016/j.lithos.2015.06.031L245_93Age of gabbroic dykes cutting serpentinite.
Michelle_364132.2129.8131.0±1.2U-PbAge of ophiolitezircon12FW174  Zircon  5457Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, ChinaLuobusa OphioliteZhang et al. (2016)10.1016/j.lithos.2015.06.031L245_93Age of amphibolite
Michelle_365141.4127.6134.5±6.9U-PbAge of ophiolitetitanite12FW170  Titanite  5457Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, ChinaLuobusa OphioliteZhang et al. (2016)10.1016/j.lithos.2015.06.031L245_93Age of amphibolite
Michelle_366135.5128.5132.0±3.5U-PbAge of ophiolitetitanite12FW171  Titanite  5457Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, ChinaLuobusa OphioliteZhang et al. (2016)10.1016/j.lithos.2015.06.031L245_93Age of amphibolite
Michelle_367137.3130.9134.1±3.2U-PbAge of ophiolitetitanite12FW174  Titanite  5457Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, ChinaLuobusa OphioliteZhang et al. (2016)10.1016/j.lithos.2015.06.031L245_93Age of amphibolite
Michelle_368130130130Sr-Nd-HfAge of ophiolite 12FW89, 12FW90, 12FW93, 12FW169, 12FW181, 12FW170,    5457Luobusha Ophiolite ("Luobusa Ophiolite"), Qusum Co. (Qusong Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, ChinaLuobusa OphioliteZhang et al. (2016)10.1016/j.lithos.2015.06.031L245_93Age of Luobusa mafic rocks


SampleSource LocalityReference URL


All locality data graciously provided by mindat.org

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