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:
Chelkar Salt Dome, Aksai Valley, Shalkar, Aktobe Region, Kazakhstan

Oldest recorded age at locality: 354
Youngest recorded age at locality: 248

mindat Locality ID: 2211
mindat URL: http://www.mindat.org/loc-2211.html

Tectonic Settings:

Total number of sublocalities beneath "Chelkar Salt Dome, Aksai Valley, Shalkar, Aktobe Region, Kazakhstan": 2
Total number of bottom-level sublocalities: 2

Number of Child Localities: 2
Child Localities:
Borehole Nr 800
Kungar Salt Deposit

Latitude: 47°49'0"N
Longitude: 59°37'0"E
Decimal Degree (lat, lon): 47.816666666667,59.616666666667

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 C Ca Cl F H K Mg Na O S Sr 

Elements from minerals reported directly at this locality: Al B C Ca Cl F H K Mg Na O S Sr 

Structural Groups for minerals in this locality: 
BoraciteCalciteCarnalliteHilgarditeKieseriteLarderelliteNoneNot in a structural groupOxalateRocksalt

26 IMA Minerals at location:
Aksaite  (*)Anhydrite  (*)Bischofite  (*)Boracite  (*)Carnallite  (*)
Chelkarite  (*)Ginorite  (*)Halite  (*)Halurgite  (*)Hilgardite  (*)
Hydroboracite  (*)Kaliborite  (*)Kieserite  (*)Kurgantaite  (*)Magnesite  (*)
Metaborite  (*)Novgorodovaite  (*)Pinnoite  (*)Polyhalite  (*)Preobrazhenskite  (*)
Satimolite  (*)Sulfoborite  (*)Sylvite  (*)Szaibélyite  (*)Tatarskite  (*)
Yarzhemskiite  (*)
Mineral nameStructural GroupsIMA FormulaMax Age (Ma)Min Age (Ma)# of Sublocalities containing mineralLOCALITY IDs, not mindat ids# of localities containing mineral
Aksaite  (*)Not in a structural groupMgB6O7(OH)6·2H2O35424801
Anhydrite  (*)Not in a structural groupCa(SO4)35424801588
Bischofite  (*)NoneMgCl2·6H2O354248042
Boracite  (*)BoraciteMg3B7O13Cl354248057
Carnallite  (*)CarnalliteKMgCl3·6H2O3542480132
Chelkarite  (*)NoneCaMgB2O4Cl2·7H2O (?)35424801
Ginorite  (*)NoneCa2B14O20(OH)6·5H2O354248011
Halite  (*)RocksaltNaCl35424801398
Halurgite  (*)NoneMg4[B8O13(OH)2]2·7H2O3542481771601
Hilgardite  (*)HilgarditeCa2B5O9Cl·H2O354248013
Hydroboracite  (*)NoneCaMg[B3O4(OH)3]2·3H2O354248042
Kaliborite  (*)NoneKHMg2B12O16(OH)10·4H2O35424808
Kieserite  (*)KieseriteMg(SO4)·H2O354248080
Kurgantaite  (*)HilgarditeCaSrB5O9Cl·H2O35424806
Magnesite  (*)CalciteMg(CO3)35424801487
Metaborite  (*)NoneHBO235424804
Novgorodovaite  (*)OxalateCa2(C2O4)Cl2·2H2O35424801
Pinnoite  (*)NoneMgB2O(OH)6354248013
Polyhalite  (*)NoneK2Ca2Mg(SO4)4·2H2O3542480102
Preobrazhenskite  (*)NoneMg3B11O15(OH)935424802
Satimolite  (*)NoneKNa2(Al5Mg2)[B12O18(OH)12](OH)6Cl4·4H2O35424802
Sulfoborite  (*)NoneMg3[B(OH)4]2(SO4)(OH,F)2354248010
Sylvite  (*)RocksaltKCl3542480275
Szaibélyite  (*)NoneMgBO2(OH)354248087
Tatarskite  (*)NoneCa6Mg2(SO4)2(CO3)2(OH)4Cl4·7H2O35424802
Yarzhemskiite  (*)LarderelliteK[B5O7(OH)2]·H2O3542481771591



Locality Notes from all Ages at Locality:
Age IDLocality Notes
Nina_509Magnesium and potassium-bearing formations are concentrated in the northern and western parts of the basin (Fig. 6), but such salt deposits occur on some of the salt domes in the central part of the Basin (Chelcar, Elton)


1 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
Nina_509354248Carboniferous, Early Permian Age of salt deposit      2211Chelkar Salt Dome, Aksai Valley, Shalkar, Aktobe Region, KazakhstanChelkar Salt DomeAnissimov (1998)10.1144/petgeo.4.1.1PG4_1Age of salt deposit


SampleSource LocalityReference URL
R130694Chelkar Salt Dome, Aksai Valley, Shalkar, Aktobe Region, Kazakhstanhttps://rruff.info/R130694


All locality data graciously provided by mindat.org

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