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Biotite from
Afrikanda complex, Murmansk Oblast, Russia


00097320017394735033601.jpg
Biotite, etc.

Afrikanda complex, Murmansk Oblast, Russia
09469250017394735017036.jpg
Biotite, etc.

Afrikanda complex, Murmansk Oblast, Russia
00097320017394735033601.jpg
Biotite, etc.

Afrikanda complex, Murmansk Oblast, Russia
09469250017394735017036.jpg
Biotite, etc.

Afrikanda complex, Murmansk Oblast, Russia
00097320017394735033601.jpg
Biotite, etc.

Afrikanda complex, Murmansk Oblast, Russia
09469250017394735017036.jpg
Biotite, etc.

Afrikanda complex, Murmansk Oblast, Russia
Locality type:Complex
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Age information
Maximum recorded age:390 ± 9 Ma
Minimum recorded age:376 Ma
Sample ages:
Recorded ageGeologic TimeSampleDating method
1377 ± 6 MaLate/Upper Devonian - U-Pb
2390 ± 9 MaMiddle Devonian - U-Pb
3379 ± 5 MaLate/Upper Devonian - U-Pb
4377 ± 11 MaLate/Upper Devonian - U-Pb
5385 ± 2 MaMiddle Devonian - U-Pb
6385 ± 5 MaMiddle Devonian - U-Pb
7379 ± 3 MaLate/Upper Devonian - U-Pb
8379 ± 3 MaLate/Upper Devonian - U-Pb
9376 MaLate/Upper Devonian - U-Pb
10378 ± 9 MaLate/Upper Devonian - U-Pb
Sample references:
1 -
Arzamastsev, A. A., & Wu, F. Y. (2014) U-Pb geochronology and Sr-Nd isotopic systematics of minerals from the ultrabasic-alkaline massifs of the Kola province. Petrology, 22(5), 462-479.
2 -
Arzamastsev, A. A., & Wu, F. Y. (2014) U-Pb geochronology and Sr-Nd isotopic systematics of minerals from the ultrabasic-alkaline massifs of the Kola province. Petrology, 22(5), 462-479.
3 -
Arzamastsev, A. A., & Wu, F. Y. (2014) U-Pb geochronology and Sr-Nd isotopic systematics of minerals from the ultrabasic-alkaline massifs of the Kola province. Petrology, 22(5), 462-479.
4 -
Arzamastsev, A. A., & Wu, F. Y. (2014) U-Pb geochronology and Sr-Nd isotopic systematics of minerals from the ultrabasic-alkaline massifs of the Kola province. Petrology, 22(5), 462-479.
5 -
Arzamastsev, A. A., & Wu, F. Y. (2014) U-Pb geochronology and Sr-Nd isotopic systematics of minerals from the ultrabasic-alkaline massifs of the Kola province. Petrology, 22(5), 462-479.
6 -
Arzamastsev, A. A., & Wu, F. Y. (2014) U-Pb geochronology and Sr-Nd isotopic systematics of minerals from the ultrabasic-alkaline massifs of the Kola province. Petrology, 22(5), 462-479.
7 -
Arzamastsev, A. A., & Wu, F. Y. (2014) U-Pb geochronology and Sr-Nd isotopic systematics of minerals from the ultrabasic-alkaline massifs of the Kola province. Petrology, 22(5), 462-479.
8 -
Arzamastsev, A. A., & Wu, F. Y. (2014) U-Pb geochronology and Sr-Nd isotopic systematics of minerals from the ultrabasic-alkaline massifs of the Kola province. Petrology, 22(5), 462-479.
9 -
Arzamastsev, A. A., & Wu, F. Y. (2014) U-Pb geochronology and Sr-Nd isotopic systematics of minerals from the ultrabasic-alkaline massifs of the Kola province. Petrology, 22(5), 462-479.
10 -
Arzamastsev, A. A., & Wu, F. Y. (2014) U-Pb geochronology and Sr-Nd isotopic systematics of minerals from the ultrabasic-alkaline massifs of the Kola province. Petrology, 22(5), 462-479.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Perovskite13
Calcite13
Calcioancylite-(Ce)11
Titanite9
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Afrikanda complex, Murmansk Oblast, Russia
Data Identifiers
Mindat Occurrence Record ID:141134
Long-form Identifier:1:3:141134:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
14.3km (8.9 miles) ⓘLesnaya Varaka Massif, Murmansk Oblast, Russia
19.4km (12.1 miles) ⓘNiva alkaline intrusion, Murmansk Oblast, Russia
41.2km (25.6 miles) ⓘKandalaksha dykes, Kandalakshsky District, Murmansk Oblast, Russia
48.0km (29.8 miles) ⓘMaterial'naya Adit, Yukspor Mountain, Murmansk Oblast, Russia
48.5km (30.1 miles) ⓘKirovskii apatite mine, Kukisvumchorr Mt, Murmansk Oblast, Russia
50.3km (31.2 miles) ⓘLoypishnyun deposit, Monche tundra intrusion, Murmansk Oblast, Russia
51.6km (32.0 miles) ⓘHackman Valley, Yukspor Mountain, Murmansk Oblast, Russia
51.8km (32.2 miles) ⓘTuliok River head, East slope, Kukisvumchorr Mt, Murmansk Oblast, Russia
52.3km (32.5 miles) ⓘYukspor Mountain, Murmansk Oblast, Russia
52.8km (32.8 miles) ⓘMarchenko Peak, Kukisvumchorr Mt, Murmansk Oblast, Russia
References
www.koeln.netsurf.de/~w.steffens/afri.htm
Potter, N. J., Kamenetsky, V. S., Chakhmouradian, A. R., & Goemann, K. (2017) Inclusions in perovskite-magnetite-silicate rocks from Afrikanda, Russia: Clues to the early history of carbonatites?. 11th International Kimberlite Conference
 
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