Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Biotite from
Tajno alkaline-carbonatite massif, Podlaskie Voivodeship, Poland


Locality type:Massif
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Tajno alkaline-carbonatite massif, Podlaskie Voivodeship, Poland
Data Identifiers
Mindat Occurrence Record ID:1391850
Long-form Identifier:1:3:1391850:5
GUID (UUID V4):0
Nearest other occurrences of Biotite
32.1km (19.9 miles) ⓘElk Complex, Ełk County, Warmian-Masurian Voivodeship, Poland
43.7km (27.2 miles) ⓘJezioro Okragłe, Suwałki Massif, Suwałki County, Podlaskie Voivodeship, Poland
59.6km (37.0 miles) ⓘKrzemianka, Suwałki Massif, Suwałki County, Podlaskie Voivodeship, Poland
References
Dziedzic, A., & Ryka, W. (1983). Carbonatites in the Tajno intrusion (NE Poland). Archiwum mineralogiczne, 38(2), 4-34.
Kubicki, S., & Ryka, W. (1984). Późnoprekambryjski magmatyzm platformowy i karbonatyty w polskiej części platformy wschodnioeuropejskiej. Przegląd Geologiczny, 32(5), 252-259.
Kubicki, S., & Ryka, W. (1987). Carbonatites of the alkaline-ultramafic intrusion of Tajno (Precambrian basement of Poland). In Seminar on carbonatites and alkaline rocks of the Bohemian Massif and ambient regions. 1 (pp. 11-21).
Krystkiewicz, E., & Krzemiński, L. (1992). Petrology of the alkaline ultrabasic Tajno complex. Prace Panstwowego Instytutu Geologicznego, 139, 19-35.
Kubicki, S. (1992). An outline of geological structure of the Tajno massif.
MARCINKOWSKI, B. (1992). Ore mineralization of the Tajno massif.
Ryka, W. (Ed.). (1992). Geology of the Tajno Massif. Państ. Instytut Geologiczny, 139, 1-90.
RYKA, W. (1992). Geology of the Tajno massif carbonatites.
Ryka, W., Armbrustmacher, T. J., & Modreski, P. J. (1992). Geochemistry and petrology of the alkaline intrusive rocks of the Tajno massif (preliminary report).
Krystkiewicz, E., & Krzemiński, L. (1992). Petrology of the alkaline ultrabasic Tajno complex. Prace Panstwowego Instytutu Geologicznego, 139, 19-35.
Kubicki, S. (1992). An outline of geological structure of the Tajno massif.
MARCINKOWSKI, B. (1992). Ore mineralization of the Tajno massif.
Ryka, W. (Ed.). (1992). Geology of the Tajno Massif. Państ. Instytut Geologiczny, 139, 1-90.
RYKA, W. (1992). Geology of the Tajno massif carbonatites.
Ryka, W., Armbrustmacher, T. J., & Modreski, P. J. (1992). Geochemistry and petrology of the alkaline intrusive rocks of the Tajno massif (preliminary report).
Specjalne, P. T. M. P. (2005) Fluid Inclusions and Cathodoluminescence of Fluorite from Carbonatites of the Tajno Massif, NE Poland.
Brassinnes, S., Wiszniewska, J., & Demaiffe, D. (2005). A LA-ICP-MS study of carbonates from late-stage carbonatite veins in the Tajno massif (Poland). Mineral. Soc. Poland, Spec Pap, 26, 25-28.
Demaiffe, D., Wiszniewska, J., & Brassinnes, S. (2005). A petrological-geochemical overview of the Tajno carbonatite complex (NE Poland): comparison with the Kola Carbonatite Province (Russia). Mineral. Soc. Poland, Spec Pap, 26, 29-35.
Specjalne, P. T. M. P. (2005) Fluid Inclusions and Cathodoluminescence of Fluorite from Carbonatites of the Tajno Massif, NE Poland.
Brassinnes, S., Wiszniewska, J., & Demaiffe, D. (2005). A LA-ICP-MS study of carbonates from late-stage carbonatite veins in the Tajno massif (Poland). Mineral. Soc. Poland, Spec Pap, 26, 25-28.
Demaiffe, D., Wiszniewska, J., & Brassinnes, S. (2005). A petrological-geochemical overview of the Tajno carbonatite complex (NE Poland): comparison with the Kola Carbonatite Province (Russia). Mineral. Soc. Poland, Spec Pap, 26, 29-35.
Demaiffe, D., Wiszniewska, J., Krzemińska, E., Williams, I. S., Stein, H., Brassinnes, S., ... & Deloule, E. (2013). A hidden alkaline and carbonatite province of early carboniferous age in northeast Poland: Zircon U-Pb and pyrrhotite Re-Os geochronology. The Journal of Geology, 121(1), 91-104.
PAŃCZYK, M., BAZARNIK, J., ZIELIŃSKI, G., GIRO, L., NAWROCKI, J., & KRZEMIŃSKI, L. (2015) REE bearing minerals in carbonatite veins from the Tajno massif (East European Platform, NE Poland). In XXIInd Meeting of the Petrology Group of the Mineralogical Society of Poland (p. 80).
Woolley, Alan R. (2019) Alkaline Rocks and Carbonatites of the World. Part 4: Antarctica, Asia and Europe (excluding the former USSR), Australasia and Oceanic Islands. The Geological Society of London. doi:10.1144/mpar4
Grabarczyk, A., Gil, G., Liu, Y., Kotowski, J., Jokubauskas, P., Barnes, J. D., ... & Bagiński, B. (2022). Ultramafic-alkaline-carbonatite Tajno Intrusion in NE Poland: a new hypothesis about the massif formation and related mineralization. Ore Geology Reviews, 104772.
 
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