Manybaysky Uranium ore field, Stepnogorsk, Akmola Province (Aqmola Oblysy; Akmolinskaya Oblast'), Kazakhstan
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| Location is approximate, estimate based on other nearby localities. | |
|---|---|
| Latitude & Longitude (WGS84): | 52° 27' 31'' North , 71° 58' 52'' East (est.) |
| Margin of Error: | ~0km |
| Other regions containing this locality: | Soviet Union (1922-1991) |
| KΓΆppen climate type: | BSk : Cold semi-arid (steppe) climate |
This ore field includes the depleted Aksu and Manybayskoye deposits and the explored Bezymannoye, Kerbayskoye, Krugloye and South Manybayskoye deposits. They are hosted in albitized and carbonatized Ordovician rocks at the southeastern margin of the Cambrian-Ordovician East Kokshetau Basin. Three mineral assemblages are encountered: P-Zr-U (apatite-arshinovite with chlorite-brannerite-coffinite), Mo-U (molybdenite-coffinite-pitchblende) and simple U (pitchblende-coffinite). The Aksu deposit belongs to the latter type, whereas the Manybayskoye deposit is an example of the Mo-U type.
Located north of Stepnogorsk.
Mineral List
Mineral list contains entries from the region specified including sub-localities13 valid minerals.
Localities in this Region
Kazakhstan
- Akmola Province (Aqmola Oblysy; Akmolinskaya Oblast')
- Stepnogorsk
- Manybaysky Uranium ore field
- Stepnogorsk
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References
Spiridonov, E.M. and Chvileva, T.N. (1995) The boundary between gersdorffite NiAsS and krutovite NiAs2. Doklady Akad. Nauk: 341(6): 785β787 (English translation in Trans. Russ. Acad. Sci., Earth Sci. Sect., 344(7), 119β123; abstract in Jambor, J.L. and Roberts, A.C. (1998) New mineral names. American Mineralogist: 83: 400-403: "Electron microprobe analyses, X-ray powder patterns, and reflectance spectra for samples mainly from the Manybay U-Mo deposit, Aksu orefield, northern Kazakhstan, have shown that solid solution between gersdorffite and krutovite is complete. It is suggested that the boundary between gersdorffite and krutovite be at NiAs1.5S0.5.")
Dahlkamp, F.J., Ed. (2009) Uranium Deposits of the World: Asia. Springer (Berlin, Heidelberg), pp. 191-268.
Dahlkamp, F.J., Ed. (2009) Uranium Deposits of the World: Asia. Springer (Berlin, Heidelberg), pp. 191-268.
