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:
Aksai Valley, Shalkar, Aktobe Region, Kazakhstan

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

mindat Locality ID: 214872
mindat URL: http://www.mindat.org/loc-214872.html

Tectonic Settings:

Total number of sublocalities beneath "Aksai Valley, Shalkar, Aktobe Region, Kazakhstan": 3
Total number of bottom-level sublocalities: 2

Number of Child Localities: 1
Child Localities:
Chelkar Salt Dome

Latitude: 0°0'0"N
Longitude: 0°0'0"E
Decimal Degree (lat, lon): 0,0

A	This mineral is Anthropogenic.
G	This mineral is directly dated.
B	This mineral is reported as having this age.
Y	This mineral is using an age reported as an element mineralization period.
O	This mineral is using an age calculated from all data at the locality.
R	The age displayed for this mineral originates from a different, non-child locality.
P	The 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.

Boracite	Calcite	Carnallite	Hilgardite	Kieserite	Larderellite	None	Not in a structural group	Oxalate	Rocksalt

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 ()*

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:

Structural Groups for minerals in this locality:
Boracite Calcite Carnallite Hilgardite Kieserite Larderellite None Not in a structural group Oxalate Rocksalt

26 IMA Minerals at location:

Mineral name	Structural Groups	IMA Formula	Max Age (Ma)	Min Age (Ma)	# of Sublocalities containing mineral	LOCALITY IDs, not mindat ids	# of localities containing mineral
Aksaite ()*	Not in a structural group	MgB₆O₇(OH)₆·2H₂O	354	248	1	77158	1
Anhydrite ()*	Not in a structural group	Ca(SO₄)	354	248	1	77158	1588
Bischofite ()*	None	MgCl₂·6H₂O	354	248	1	77158	42
Boracite ()*	Boracite	Mg₃B₇O₁₃Cl	354	248	1	77158	57
Carnallite ()*	Carnallite	KMgCl₃·6H₂O	354	248	1	77158	132
Chelkarite ()*	None	CaMgB₂O₄Cl₂·7H₂O (?)	354	248	1	77158	1
Ginorite ()*	None	Ca₂B₁₄O₂₀(OH)₆·5H₂O	354	248	1	77158	11
Halite ()*	Rocksalt	NaCl	354	248	1	77158	1398
Halurgite ()*	None	Mg₄[B₈O₁₃(OH)₂]₂·7H₂O	354	248	2	77158,77160	1
Hilgardite ()*	Hilgardite	Ca₂B₅O₉Cl·H₂O	354	248	1	77158	13
Hydroboracite ()*	None	CaMg[B₃O₄(OH)₃]₂·3H₂O	354	248	1	77158	42
Kaliborite ()*	None	KHMg₂B₁₂O₁₆(OH)₁₀·4H₂O	354	248	1	77158	8
Kieserite ()*	Kieserite	Mg(SO₄)·H₂O	354	248	1	77158	80
Kurgantaite ()*	Hilgardite	CaSrB₅O₉Cl·H₂O	354	248	1	77158	6
Magnesite ()*	Calcite	Mg(CO₃)	354	248	1	77158	1487
Metaborite ()*	None	HBO₂	354	248	1	77158	4
Novgorodovaite ()*	Oxalate	Ca₂(C₂O₄)Cl₂·2H₂O	354	248	1	77158	1
Pinnoite ()*	None	MgB₂O(OH)₆	354	248	1	77158	13
Polyhalite ()*	None	K₂Ca₂Mg(SO₄)₄·2H₂O	354	248	1	77158	102
Preobrazhenskite ()*	None	Mg₃B₁₁O₁₅(OH)₉	354	248	1	77158	2
Satimolite ()*	None	KNa₂(Al₅Mg₂)[B₁₂O₁₈(OH)₁₂](OH)₆Cl₄·4H₂O	354	248	1	77158	2
Sulfoborite ()*	None	Mg₃[B(OH)₄]₂(SO₄)(OH,F)₂	354	248	1	77158	10
Sylvite ()*	Rocksalt	KCl	354	248	1	77158	275
Szaibélyite ()*	None	MgBO₂(OH)	354	248	1	77158	87
Tatarskite ()*	None	Ca₆Mg₂(SO₄)₂(CO₃)₂(OH)₄Cl₄·7H₂O	354	248	1	77158	2
Yarzhemskiite ()*	Larderellite	K[B₅O₇(OH)₂]·H₂O	354	248	1	77159	1

Locality Notes from all Ages at Locality:

Age ID	Locality Notes
Nina_509	Magnesium 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 ID	Max Age (Ma)	Min Age (Ma)	Age as listed in reference	Dating Method	Age Interpret	Prioritized?	Sample Source	Sample Num	Run Num	Age from other Locality	Dated Mineral	Minerals explicitely stated as having this age	Age applies to these Elements	MinDat Locality ID	Dated Locality (Max Age)	Location as listed in reference	Reference	Reference DOI	Reference ID	Age Notes
	Nina_509	354	248	Carboniferous, Early Permian		Age of salt deposit									2211	Chelkar Salt Dome, Aksai Valley, Shalkar, Aktobe Region, Kazakhstan	Chelkar Salt Dome	Anissimov (1998)	10.1144/petgeo.4.1.1	PG4_1	Age of salt deposit

Sample	Source Locality	Reference URL
R130694	Chelkar Salt Dome, Aksai Valley, Shalkar, Aktobe Region, Kazakhstan	https://rruff.info/R130694

All locality data graciously provided by mindat.org

All age data...