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:
Yenbai Province (Yen Bai Province), Vietnam

Oldest recorded age at locality: 33.2
Youngest recorded age at locality: 22.6

mindat Locality ID: 6946
mindat URL: http://www.mindat.org/loc-6946.html

Tectonic Settings:

Total number of sublocalities beneath "Yenbai Province (Yen Bai Province), Vietnam": 17
Total number of bottom-level sublocalities: 15

Number of Child Localities: 5
Child Localities:
Lang Chap
Luc Yen
Tan Huong
Truc Yau
Tu Le

Latitude: 22°5'23"N
Longitude: 104°39'52"E
Decimal Degree (lat, lon): 22.089722222222,104.66444444444
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: Al B Be C Ca F Fe H K Li Mg Na O S Si Ti Zr 

Elements from minerals reported directly at this locality: Al Be O Si 

Structural Groups for minerals in this locality: 
AmphiboleBerylCalciteClayCorundumDanburiteFeldsparHumiteMicaNickeline
NoneNot in a structural groupPyriteQuartzRutileSpinelTitaniteTopazTourmalineZircon

34 IMA Minerals at location:
Albite  (*)Anorthite  (*)Beryl  (*)Calcite  (*)Chondrodite  (*)
Corundum  (*)Danburite  (*)Dolomite  (*)Dravite  (*)Edenite  (*)
Elbaite  (*)Graphite  (*)Humite  (*)Magnesite  (*)Margarite  (*)
Microcline  (*)Muscovite  (*)Orthoclase  (*)Paragonite  (*)Pargasite  (*)
Phlogopite  (*)Pyrite  (*)Pyrrhotite  (*)Quartz  (*)Rossmanite  (*)
Rutile  (*)Sadanagaite  (*)Sassolite  (*)Schorl  (*)Sillimanite  (*)
Spinel  (*)Titanite  (*)Topaz  (*)Zircon  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Albite  (*)FeldsparNa(AlSi3O8)33.231.212948948803
Anorthite  (*)FeldsparCa(Al2Si2O8)31.63012948911036
Beryl  (*)BerylBe3Al2Si6O1833.222.604286
Calcite  (*)CalciteCa(CO3)31.622.68294883,294884,294885,294886,294888,294891,294893,29489727770
Chondrodite  (*)HumiteMg5(SiO4)2F22294883,294888285
Corundum  (*)CorundumAl2O333.222.611294884,294885,294886,294888,294889,294891,294893,294894,294895,294897,2948981797
Danburite  (*)DanburiteCaB2Si2O833.231.22294886,294894148
Dolomite  (*)NoneCaMg(CO3)212948839895
Dravite  (*)TourmalineNaMg3Al6(Si6O18)(BO3)3(OH)3(OH)33.2306294885,294889,294891,294893,294894,294895648
Edenite  (*)AmphiboleNaCa2Mg5(Si7Al)O22(OH)233.2306294885,294889,294891,294893,294894,294895160
Elbaite  (*)TourmalineNa(Al1.5Li1.5)Al6(Si6O18)(BO3)3(OH)3(OH)33.231.21294894520
Graphite  (*)NoneC33.2308294883,294884,294885,294889,294891,294893,294894,2948952812
Humite  (*)HumiteMg7(SiO4)3F233.222.63294884,294894,29489780
Magnesite  (*)CalciteMg(CO3)12948831487
Margarite  (*)Mica ClayCaAl2Si2Al2O10(OH)233.2307294885,294889,294891,294893,294894,294895,294898168
Microcline  (*)FeldsparK(AlSi3O8)33.231.23294885,294894,2948964924
Muscovite  (*)Mica ClayKAl2(Si3Al)O10(OH)233.231.22294887,29489417380
Orthoclase  (*)FeldsparK(AlSi3O8)33.23012948842349
Paragonite  (*)Mica ClayNaAl2(Si3Al)O10(OH)233.2301294884247
Pargasite  (*)AmphiboleNaCa2(Mg4Al)(Si6Al2)O22(OH)22294884,294887313
Phlogopite  (*)Mica ClayKMg3(AlSi3O10)(OH)233.222.69294883,294884,294885,294889,294891,294893,294894,294895,2948972273
Pyrite  (*)PyriteFeS233.2307294884,294885,294889,294891,294893,294894,29489539462
Pyrrhotite  (*)NickelineFe7S833.23012948849056
Quartz  (*)QuartzSiO233.231.22294894,29489661156
Rossmanite  (*)Tourmaline   (Al2Li)Al6(Si6O18)(BO3)3(OH)3(OH)33.231.2129489437
Rutile  (*)RutileTiO233.2307294884,294885,294889,294891,294893,294894,2948955614
Sadanagaite  (*)AmphiboleNaCa2(Mg3Al2)(Si5Al3)O22(OH)233.23012948846
Sassolite  (*)NoneB(OH)3129488631
Schorl  (*)TourmalineNaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)12948962705
Sillimanite  (*)Not in a structural groupAl2SiO533.222.601516
Spinel  (*)SpinelMgAl2O433.222.612294883,294884,294885,294886,294887,294888,294889,294891,294893,294894,294895,2948971934
Titanite  (*)TitaniteCaTi(SiO4)O31.6302294884,2948914899
Topaz  (*)TopazAl2SiO4F212948991476
Zircon  (*)ZirconZr(SiO4)31.63012948915251


5 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
Alexandra-035931.83030.9 ± 0.940Ar/39AAge of marblephlogopiteBDL4  Phlogopite  193087Bai Da Mine, Luc Yen, Yenbai Province (Yen Bai Province), VietnamBai Da LanGarnier et al. (2002)10.1016/S0009-2541(02)00063-3CG188_33 
Alexandra-036131.63030.8 ± 0.840Ar/39AAge of marblemuscoviteKT3b  Muscovite  193089Khoan Thong Mine, Luc Yen, Yenbai Province (Yen Bai Province), VietnamKhoan ThongGarnier et al. (2002)10.1016/S0009-2541(02)00063-3CG188_33 
Alexandra-036033.231.232.2 ± 1.040Ar/39AAge of marblephlogopiteMTH3  Phlogopite  69170Minh Tien Mine, Luc Yen, Yenbai Province (Yen Bai Province), VietnamMinh TienGarnier et al. (2002)10.1016/S0009-2541(02)00063-3CG188_33 
Alexandra-036223.822.623.2 ± 0.640Ar/39AAge of marblephlogopiteTH1-1  Phlogopite  250147Tan Huong, Yenbai Province (Yen Bai Province), VietnamTan HuongGarnier et al. (2002)10.1016/S0009-2541(02)00063-3CG188_33 
Alexandra-036324.82424.4 ± 0.440Ar/39AAge of schistbiotiteTH1-1a    250147Tan Huong, Yenbai Province (Yen Bai Province), VietnamTan HuongGarnier et al. (2002)10.1016/S0009-2541(02)00063-3CG188_33 

SampleSource LocalityReference URL

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