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:
Xenolith No. 1, Lakargi Mt., Upper Chegem Volcanic Caldera (Verkhnechegemskaya Caldera), Baksan Valley, Kabardino-Balkaria, Russia

Oldest recorded age at locality: 3
Youngest recorded age at locality: 2.3

mindat Locality ID: 267807
mindat URL: http://www.mindat.org/loc-267807.html

Tectonic Settings:

Total number of sublocalities beneath "Xenolith No. 1, Lakargi Mt., Upper Chegem Volcanic Caldera (Verkhnechegemskaya Caldera), Baksan Valley, Kabardino-Balkaria, Russia": 0
Total number of bottom-level sublocalities: 0

Latitude: 43°12'0"N
Longitude: 43°6'0"E
Decimal Degree (lat, lon): 43.2,43.1
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 C Ca Cl F Fe H Mg O S Sb Si Sn Ti U Zr 

Elements from minerals reported directly at this locality: Al C Ca Cl F Fe H Mg O S Sb Si Sn Ti U Zr 

Structural Groups for minerals in this locality: 
ApatiteBrownmilleriteFluoriteGarnetHumiteHydrotalciteMayeniteNoneNot in a structural groupPerovskite
Spurrite-AfwilliteWöhlerite

30 IMA Minerals at location:
Afwillite  (*)Aklimaite  (*)Bitikleite  (*)Bultfonteinite  (*)Chegemite  (*)
Chlorkyuygenite  (*)Cuspidine  (*)Dzhuluite  (*)Edgrewite  (*)Elbrusite  (*)
Eltyubyuite  (*)Fluorchegemite  (*)Fluorite  (*)Hillebrandite  (*)Hydrocalumite  (*)
Hydroxyledgrewite  (*)Hydroxylellestadite  (*)Jennite  (*)Kerimasite  (*)Killalaite  (*)
Kumtyubeite  (*)Lakargiite  (*)Larnite  (*)Pavlovskyite  (*)Perovskite  (*)
Rondorfite  (*)Rusinovite  (*)Srebrodolskite  (*)Trabzonite  (*)Wadalite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Afwillite  (*)Spurrite-AfwilliteCa3[SiO4][SiO2(OH)2]·2H2O32.3041
Aklimaite  (*)Not in a structural groupCa4[Si2O5(OH)2](OH)4·5H2O32.301
Bitikleite  (*)GarnetCa3(SbSn)(AlO4)332.301
Bultfonteinite  (*)Spurrite-AfwilliteCa2SiO3(OH)F·H2O32.3020
Chegemite  (*)HumiteCa7(SiO4)3(OH)232.302
Chlorkyuygenite  (*)MayeniteCa12Al14O32[(H2O)4Cl2]32.301
Cuspidine  (*)WöhleriteCa8(Si2O7)2F432.3067
Dzhuluite  (*)GarnetCa3(SbSn)(Fe3+O4)332.301
Edgrewite  (*)HumiteCa9(SiO4)4F232.301
Elbrusite  (*)GarnetCa3(U6+0.5Zr1.5)(Fe3+O4)332.302
Eltyubyuite  (*)MayeniteCa12Fe3+10Si4O32Cl632.305
Fluorchegemite  (*)HumiteCa7(SiO4)3F232.302
Fluorite  (*)FluoriteCaF232.309617
Hillebrandite  (*)NoneCa2SiO3(OH)232.3017
Hydrocalumite  (*)HydrotalciteCa4Al2(OH)12(Cl,CO3,OH)2·4H2O32.3030
Hydroxyledgrewite  (*)HumiteCa9(SiO4)4(OH)232.301
Hydroxylellestadite  (*)ApatiteCa5(SiO4)1.5(SO4)1.5OH32.3022
Jennite  (*)NoneCa9(Si3O9)2(OH)6·8H2O32.3018
Kerimasite  (*)GarnetCa3Zr2(SiFe3+2)O1232.308
Killalaite  (*)NoneCa6.4[H0.6Si2O7]2(OH)232.305
Kumtyubeite  (*)HumiteCa5(SiO4)2F232.305
Lakargiite  (*)PerovskiteCaZrO332.3010
Larnite  (*)Not in a structural groupCa2(SiO4)32.3048
Pavlovskyite  (*)NoneCa8(SiO4)2(Si3O10)32.303
Perovskite  (*)PerovskiteCaTiO332.30495
Rondorfite  (*)NoneCa8Mg(SiO4)4Cl232.307
Rusinovite  (*)Not in a structural groupCa10(Si2O7)3Cl232.305
Srebrodolskite  (*)Brownmillerite PerovskiteCa2Fe3+2O532.3025
Trabzonite  (*)NoneCa4[Si3O9(OH)](OH)32.302
Wadalite  (*)MayeniteCa6Al5Si2O16Cl332.3011


4 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-009432.83.0-2.8K-ArAge of rock   Yes  241014Upper Chegem Volcanic Caldera (Verkhnechegemskaya Caldera), Baksan Valley, Kabardino-Balkaria, RussiaUpper Chegem Volcanic Caldera (Verkhnechegemskaya Caldera)Zadov et al. (2011)10.1134/S1075701511080186GOD53_775 
Alexandra-00952.72.32.5 ± 0.2K-ArAge of rock   Yes  241014Upper Chegem Volcanic Caldera (Verkhnechegemskaya Caldera), Baksan Valley, Kabardino-Balkaria, RussiaUpper Chegem Volcanic Caldera (Verkhnechegemskaya Caldera)Zadov et al. (2011)10.1134/S1075701511080186GOD53_775 
Alexandra-00962.72.72.7Ar-ArAge of rock   Yes  241014Upper Chegem Volcanic Caldera (Verkhnechegemskaya Caldera), Baksan Valley, Kabardino-Balkaria, RussiaUpper Chegem Volcanic Caldera (Verkhnechegemskaya Caldera)Zadov et al. (2011)10.1134/S1075701511080186GOD53_775 
Grew_Li_2019_0062333     YesMagnesioneptunite 267813Xenolith No. 5, Lakargi Mt., Upper Chegem Volcanic Caldera (Verkhnechegemskaya Caldera), Baksan Valley, Kabardino-Balkaria, RussiaXenolith #5, Upper Chegem caldera, near Mount Lakargi, Kabardino–Balkaria, North Caucasus, RussiaZadov et al. (2011) GOD53_775 

SampleSource LocalityReference URL

All locality data graciously provided by mindat.org

All age data...

Other copyright data...