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Mahai lake, Da Qaidam Co. (Dachaidan Co.), Haixi, Qinghai, Chinai
Regional Level Types
Mahai lakeLake
Da Qaidam Co. (Dachaidan Co.)County
HaixiPrefecture
QinghaiProvince
ChinaCountry

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Name(s) in local language(s):马海湖, 大柴旦行政委员会, 海西蒙古族藏族自治州, 青海省, 中国
Latitude & Longitude (WGS84): 38° 18' 55'' North , 93° 57' 35'' East
Latitude & Longitude (decimal): 38.31528,93.95972
GeoHash:G#: wnfcfp56s
Locality type:Lake
Köppen climate type:BWk : Cold desert climate


A dried-up salt lake.

Select Mineral List Type

Standard Detailed Strunz Dana Chemical Elements

Mineral List


7 valid minerals.

Detailed Mineral List:

Bischofite
Formula: MgCl2 · 6H2O
Reference: Xiyu Zheng (1994): Journal of Lake Sciences 6(3), 267-275
Blödite
Formula: Na2Mg(SO4)2 · 4H2O
Reference: Mianping Zheng (1997): An Introduction to Saline Lakes on the Qinghai-Tibet Plateau. Kluwer Academic Publishers (Dordrecht, NL), 319 pp.
Carnallite
Formula: KMgCl3 · 6H2O
Reference: Xiyu Zheng (1994): Journal of Lake Sciences 6(3), 267-275; Tan Hongbing, Ma Haizhou, Xiao Yingkai, Wei Haizhen, and Zhang Xiying (2005): Science in China, Series D (Earth Sciences), 48(11), 1913-1920
Gypsum
Formula: CaSO4 · 2H2O
Reference: Mianping Zheng (1997): An Introduction to Saline Lakes on the Qinghai-Tibet Plateau. Kluwer Academic Publishers (Dordrecht, NL), 319 pp.
Halite
Formula: NaCl
Reference: Tan Hongbing, Ma Haizhou, Xiao Yingkai, Wei Haizhen, and Zhang Xiying (2005): Science in China, Series D (Earth Sciences), 48(11), 1913-1920.
Mirabilite
Formula: Na2SO4 · 10H2O
Reference: Mianping Zheng (1997): An Introduction to Saline Lakes on the Qinghai-Tibet Plateau. Kluwer Academic Publishers (Dordrecht, NL), 319 pp.
Sylvite
Formula: KCl
Reference: Xiyu Zheng (1994): Journal of Lake Sciences 6(3), 267-275; Youde Ma (2006): Journal of Salt Lake Research 14(1), 14-28

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
'Bischofite'3.BB.15MgCl2 · 6H2O
'Carnallite'3.BA.10KMgCl3 · 6H2O
'Halite'3.AA.20NaCl
'Sylvite'3.AA.20KCl
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
'Blödite'7.CC.50Na2Mg(SO4)2 · 4H2O
'Gypsum'7.CD.40CaSO4 · 2H2O
'Mirabilite'7.CD.10Na2SO4 · 10H2O

List of minerals arranged by Dana 8th Edition classification

Group 9 - NORMAL HALIDES
AX
Halite9.1.1.1NaCl
Sylvite9.1.1.2KCl
AX2
Bischofite9.2.9.1MgCl2 · 6H2O
Group 11 - HALIDE COMPLEXES
AmBX3
Carnallite11.1.2.1KMgCl3 · 6H2O
Group 29 - HYDRATED ACID AND NORMAL SULFATES
A2XO4·xH2O
Mirabilite29.2.2.1Na2SO4 · 10H2O
A2B(XO4)2·xH2O
Blödite29.3.3.1Na2Mg(SO4)2 · 4H2O
AXO4·xH2O
Gypsum29.6.3.1CaSO4 · 2H2O

List of minerals for each chemical element

HHydrogen
H BischofiteMgCl2 · 6H2O
H BlöditeNa2Mg(SO4)2 · 4H2O
H CarnalliteKMgCl3 · 6H2O
H GypsumCaSO4 · 2H2O
H MirabiliteNa2SO4 · 10H2O
OOxygen
O BischofiteMgCl2 · 6H2O
O BlöditeNa2Mg(SO4)2 · 4H2O
O CarnalliteKMgCl3 · 6H2O
O GypsumCaSO4 · 2H2O
O MirabiliteNa2SO4 · 10H2O
NaSodium
Na BlöditeNa2Mg(SO4)2 · 4H2O
Na HaliteNaCl
Na MirabiliteNa2SO4 · 10H2O
MgMagnesium
Mg BischofiteMgCl2 · 6H2O
Mg BlöditeNa2Mg(SO4)2 · 4H2O
Mg CarnalliteKMgCl3 · 6H2O
SSulfur
S BlöditeNa2Mg(SO4)2 · 4H2O
S GypsumCaSO4 · 2H2O
S MirabiliteNa2SO4 · 10H2O
ClChlorine
Cl BischofiteMgCl2 · 6H2O
Cl CarnalliteKMgCl3 · 6H2O
Cl HaliteNaCl
Cl SylviteKCl
KPotassium
K CarnalliteKMgCl3 · 6H2O
K SylviteKCl
CaCalcium
Ca GypsumCaSO4 · 2H2O

Regional Geology

This geological map and associated information on rock units at or nearby to the coordinates given for this locality is based on relatively small scale geological maps provided by various national Geological Surveys. This does not necessarily represent the complete geology at this locality but it gives a background for the region in which it is found.

Click on geological units on the map for more information. Click here to view full-screen map on Macrostrat.org

Neogene
2.588 - 23.03 Ma



ID: 3184572
Cenozoic sedimentary rocks

Age: Neogene (2.588 - 23.03 Ma)

Comments: Tsaidam Basin

Lithology: Sedimentary rocks

Reference: Chorlton, L.B. Generalized geology of the world: bedrock domains and major faults in GIS format: a small-scale world geology map with an extended geological attribute database. doi: 10.4095/223767. Geological Survey of Canada, Open File 5529. [154]

Data and map coding provided by Macrostrat.org, used under Creative Commons Attribution 4.0 License

References

Sort by

Year (asc) Year (desc) Author (A-Z) Author (Z-A)
Xiyu Zheng (1994): Comprehensive utilization of salt lake resources over Qinghai-Xizang (Tibet) plateau. Journal of Lake Sciences 6(3), 267-275 (in Chinese with English abstract).
Mianping Zheng (1997): An Introduction to Saline Lakes on the Qinghai-Tibet Plateau. Kluwer Academic Publishers (Dordrecht, NL), 319 pp.
Youde Ma (2006): Preliminary Study on the Method for Dissolution Mining of the Low Grade Solid Potassium Deposit in Mahai Salt Lake. Journal of Salt Lake Research 14(1), 14-28.


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