- Код статьи
- S2658435225060068-1
- DOI
- 10.7868/S2658435225060068
- Тип публикации
- Статья
- Статус публикации
- Опубликовано
- Авторы
- Том/ Выпуск
- Том 154 / Номер выпуска 6
- Страницы
- 109-134
- Аннотация
- В абиссальных магнезиальных скарнах Слюдянского кристаллического комплекса на Шаманском мысе (Юго-Западное Прибайкалье) описаны минералы серии флогопит–киноситалит с содержанием 0.8—24.5 мас. % ВаО = 0.02—0.80 атома Ва на формулу (а. ф.). Киноситалит и наиболее богатый Ва флогопит, образующие кристаллы величиной до 2 мм, встречаются локально в ассоциации с кальцитом, доломитом, рутилом, гейкилитом, бадделеитом, реликтовой шпинелью, поздними лизардитом (в псевдоморфозах по форстериту), клинохлором и баритом в форстерит-карбонатной скарновой зоне. В других зонах скарновой метасоматической колонки развит флогопит, содержащий 0.8—5.0 мас. % ВаО = 0.02—0.14 а. ф. Ва. Изученные слюды характеризуются присутствием значимых примесей титана и натрия, наибольшие концентрации которых (3.5 мас. % TiO = 0.22 а. ф. Ti и 1.3 мас. % NaO = 0.20 а. ф. Na) зафиксированы в киноситалите. Эмпирическая формула слюдянского киноситалита с самым высоким содержанием Ва в расчете на сумму катионов в тетраэдрической и октаэдрической координации, равную 7: (BaNaKCa)(MgTiAlFe)[SiAlO](OHFO). Обсуждаются возможные источники Ва и условия минералообразования, способствовавшие появлению в скарнах слюд, богатых этим компонентом.
- Ключевые слова
- бариевая слюда киноситалит флогопит скарн КР-спектр Слюдянский район Юго-Западное Прибайкалье
- Дата публикации
- 16.10.2025
- Год выхода
- 2025
- Всего подписок
- 0
- Всего просмотров
- 3
Библиография
- 1. Abersteiner A., Kamenetsky V. S., Goemann K., Kjarsgaard B. A., Fedortchouk Y., Ehrig K., Kamenetsky M. Evolution of kimberlite magmas in the crust: A case study of groundmass and mineralhosted inclusions in the Mark kimberlite (Lac de Gras, Canada). 2020. Lithos. Vol. 372. Paper 105690.
- 2. Agakhanov A.A., Pautov L.A., Karpenko V.Yu., Bekeneva G.K., Uvarova Yu.A. Orlovite KLi2TiSi4O10(OF): a new mineral of the mica group. New Data on Minerals. 2011. Iss. 46. P. 13—19 (in Russian).
- 3. Aleksandrov S. M. Geochemistry of Skarn and Ore Formation in Dolomites. Moscow, Nauka Publ., 1990. 344 p. (in Russian, English translation: Utrecht, Tokyo: VSP, 1998. 300 p.)
- 4. Aleksandrov S. M., Troneva M. A. Geochemistry of titanium and its modes of occurrence in metasomatically altered rocks. Geochem. Int., 2003. Vol. 41. N 1. P. 21—37.
- 5. Alietti E., Brigatti M. F., Poppi L. The crystal structure and chemistry of high-aluminium phlogopite. Miner. Mag. 1995. Vol. 59. P. 149—157.
- 6. Ankinovich S. G., Ankinovich E. A., Rozdestvenskaya I. V., Frank-Kamenetsky V. A. Chernykhite, a new barium-vanadium mica from northwestern Karatau. Zapiski VMO (Proc. Russian Miner. Soc.). 1972. Vol. 101. N 4. P. 451—458 (in Russian).
- 7. Aspiotis S., Schlüter J., Redhammer G.J., Mihailova B. Non-destructive determination of the biotite crystal chemistry using Raman spectroscopy: how far we can ago? Eur. J. Miner. 2022. Vol. 34. P. 573—590.
- 8. Barash I. G., Salnikova E. B., Reznitsky L. Z., Kotov A. B., Kovach V. P., Yakovleva S. Z., Fedoseenko A. M. Age relations between metamorphism of the Slyudyanka granulite and Khamar Daban zoned metamorphic complexes: Evidence from U-Pb geochronological data. Geokhimiya. 2006. Vol. 409. N 3. P. 381—385 (in Russian, English translation: Geochem. Int. 2006. Vol. 409. P. 905—908).
- 9. Bol L. C.G., Bos A., Sauter P. C.C., Jansen J. B.H. Barium-titanium-rich phlogopites in marble from Rogaland, southwest Norway. Amer. Miner. 1989. Vol. 74. P. 439—447.
- 10. Brigatti M. F., Poppi L. Crystal chemistry of Ba-rich trioctahedral mica-1M. Eur. J. Miner. 1993. Vol. 5. P. 857—871.
- 11. Chukanov N. V., Rosenberg K. A., Rastsvetaeva R. K., Möckel S. New data on high-titanium biotite. The problem of “wodanite”. New Data on Minerals. 2008. Iss. 43. P. 72—77 (in Russian).
- 12. Chukanov N. V., Mukhanova A. A., Rastsvetaeva R. K., Belakovsky D. I., Möckel S., Karimova O. V., Britvin S. N., Krivovichev S. V. Oxyphlogopite K(Mg, Ti, Fe)3[(Si, Al)4O10](O, F)2: a new mineral species of the mica group. Zapiski RMO (Proc. Russian Miner. Soc.). 2010. N3. P. 31—40 (in Russian, English translation: Geol. Ore Dep. 2011. Vol. 53. N 7. P. 583—590).
- 13. Chukanov N. V., Aksenov S. M., Kasatkin A. V., Škoda R., Nestola F., Nodari L., Ryanskaya A. D., Rastsvetaeva R. K. 3T polytype of an iron-rich oxyphlogopite from the Bartoy volcanic field, Transbaikalia: Mössbauer, Infrared, Raman spectroscopy, and crystal structure. Phys. Chem. Miner. 2019. Vol. 46. P. 899—908.
- 14. Clemens J. D., Circone C., Navrotsky A., McMillan P. F. Phlogopite: High temperature solution calorimetry, thermodynamic properties, Al-Si stacking disorder, and phase equilibria. Geochim. Cosmochim. Acta. 1987. Vol. 51. P. 2569—2578.
- 15. Cruciani G., Zanazzi P. F. Cation partitioning and substitution mechanisms in 1M phlogopite: a crystal chemical study. Amer. Miner. 1994. Vol. 79. P. 289—301.
- 16. Dasgupta S., Chakraborti S., Sengupta P., Bhattacharya P.K., Banerjee H., Fukuoka M. Compositional characteristics of kinoshitalite from the Sausar Group, India. Amer. Miner. 1989. Vol. 74. P. 200—202.
- 17. Degenfelder J., Tropper P., Costantini D., Pomella H. Mineralogische untersuchungen der mischkristallreihe Ba-hältiger phlogopit — kinoshitalit in marmoren aus dem Meran-Mauls Basement. Mitteilungen der Österreichischen Mineralogischen Gesellschaft. 2016. Vol. 162. P. 47—50.
- 18. Derkachev A. N., Borman G., Rainer J., Mozherovsky A. V. Autogenic carbonate and baryte mineralization in sediments of the Deryugin basin (Sea of Okhotsk). Lithology and Min. Res. 2000. N 6. P. 568—585 (in Russian).
- 19. Doležalová N., Houzar S., Škoda R. Barium phlogopite and kinoshitalite-bearing mineral assemblage of forsterite marbles from Rožna uranium deposit, Moldanubicum, Western Moravia. Acta Mus. Moraviae (Sci. Geol.). 2005. P. 75—88.
- 20. Doroshkevich A. G., Chebotarev D. A., Sharygin V. V., Prokopyev I. R., Nikolenko A. M. Petrology of alkaline silicate rocks and carbonatites of the Chuktukon massif, Chadobets upland, Russia: Sources, evolution and relation to the Triassic Siberian LIP. Lithos. 2019. Vol. 332—333. P. 245—260.
- 21. Dunning G. E., Cooper J. F. Barium silicate minerals from Trumbull Peak, Mariposa County, California. Min. Record. 1999. Vol. 30. P. 411—417.
- 22. Ferry J. M. Three novel isograds in metamorphosed siliceous dolomites from the Ballachulish aureole, Scotland. Amer. Miner. 1996. Vol. 81. P. 485—494.
- 23. Fersman A. E. Pegmatites. Vol. 1: Granite Pegmatites. Moscow, Leningrad: USSR Academy of Sciences, 1940. 723 p. (in Russian). Frondel C., Ito J. Barium-rich phlogopite from Långban, Sweden. Arkiv Miner. Geol. 1967. Vol. 4. P. 445—447.
- 24. Gnos E., Armbruster T. Kinoshitalite, Ba(Mg)3(Al2Si2) O10(OH, F)2, a brittle mica from manganese deposit in Oman: Paragenesis and crystal chemistry. Amer. Miner. 2000. Vol. 85. P. 242—250.
- 25. Graeser S., Hetherington C., Gieré R. Ganterite, a new barium-dominant analogue of muscovite from the Berisal Complex, Simplon Region, Switzerland. Canad. Miner. 2003. Vol. 41. P. 1271—1280.
- 26. Greenwood A. F. Barian-titanian micas from Ilha da Trindade, South Atlantic. Miner. Mag. 1998. Vol. 62. N 5. P. 687—695.
- 27. Guggenheim S., Frimmel H. E. Ferrokinoshitalite, a new species of brittle mica from Broken Hill mine, South Africa: structural and mineralogical characterization. Canad. Miner. 1999. Vol. 37. P. 1445—1452.
- 28. Hatch R., Humphrey R. A., Eitel W., Comerford J. E. Synthetic mica investigations IX: reviews of progress from 1947 to 1955. U. S. Department Interior, Bureau of mines, Investigation Report. 1957. Vol. 5337. 79 p.
- 29. Holstam D., Nysten P., Gatedal K. Parageneses and compositional variations of Sb oxyminerals from Långban-type deposits in Värmland, Sweden. Miner. Mag. 1998. Vol. 62. N 3. P. 395—407.
- 30. Ibhi A., Nachit H., El Abia H. Titanium and barium incorporation into the phyllosilicate phases: The example of phlogopite-kinoshitalite solid solution. J. Phys. IV France. 2005. Vol. 123. P. 331—335.
- 31. Ivanov V.G., Sapozhnikov A.N. Lapis Lazuli of the USSR. Novosibirsk: Nauka, 1985. 170 p. (in Russian).
- 32. Kalinin P. V. The genesis of phlogopite deposits. In collection: Phlogopite deposits of the Slyudyansky district (southern Baikal region). Proc. Vsesoyuz. Sc. Res. Inst. Min. Raw Materials. 1939a. Iss. 150. P. 245—262 (in Russian).
- 33. Kalinin P. V. Hyalophane from the Slyudyanka River. Doklady USSR Acad. Sci. 1939b. Vol. 23. N 2. P. 167—168 (in Russian).
- 34. Kalinin P. V. White phlogopite from the marbles of the Slyudyanka. Zapiski VMO (Proc. Russian Miner. Soc.). 1945. Vol. 74. N 1. P. 62—65 (in Russian).
- 35. Kalinin P. V., Ronenson B. M. Geological and structural features and genesis of the Slyudyanka phlogopite deposits. Soviet Geol. 1957. Vol. 58. P. 56—73 (in Russian).
- 36. Kato T., Miura Ya., Yoshi M., Maeda K. The crystal structures of 1M-kinoshitalite, a new barium brittle mica and 1M-manganese trioctahedral micas. Miner. J. 1979. Vol. 9. P. 392—408.
- 37. Kogarko L. N., Uvarova Yu.A., Sokolova E., Hawthorne F. C., Ottolini L., Grice J. D. Oxykinoshitalite, a new species of mica from Fernando-do-Noronha Island, Brazil: occurrence and crystal structure. Canad. Miner. 2005. Vol. 43. P. 1501—1510.
- 38. Koneva A. A., Makrygina V. A., Reznitsky L. Z. Condites in the metamorphic strata of the Baikal region. Lithology and Min. Res. 1998. N 1. P. 93—102 (in Russian).
- 39. Korzhinsky D. S. Patterns of Mineral Association in the Rocks of the Archean of Eastern Siberia. Moscow: USSR Acad. Sci., 1945. 110 p. (in Russian).
- 40. Korzhinsky D. S. Bimetasomatic Phlogopite and Lapis Lazuli Deposits of the Archean of the Baikal Region. Proc. Inst. Geol. Sci. 1947. Iss. 29. Petrographic series (10). 164 p. (in Russian).
- 41. Kotov A. B., Salnikova E. B., Reznitsky L. Z., Vasiliev E. P., Kozakov I. K., Yakovleva S. Z., Kovach V. P., Berezhnaya N. G. On the age of metamorphism of the Slyudyanka Crystal Complex (Southern Baikal region): Results of U-Pb geochronological studies. Petrology. 1997. Vol. 5. N 4. P. 380—393 (in Russian).
- 42. Lacalamita M., Schingaro E., Mesto E., Zaccarini F., Biagioni C. Crystal-chemistry of micas belonging to the yangzhumingite-fluorophlogopite and phlogopite-fluorophlogopite series from the Apuan Alps (northern Tuscany, Italy). Phys. Chem. Miner. 2020. Vol. 47. Paper 54.
- 43. Lein A. Yu., Kravchishina M. D. Geochemical cycle of barium in the ocean. Lithology and Min. Res. 2021. N 4. P. 293—310 (in Russian).
- 44. Levitsky V. I. Geochemistry of metasomatosis and its role in the formation of the continental crust. The abstract diss. doct. sc. Irkutsk, 2000. 56 p. (in Russian).
- 45. Levitsky V. I., Petrova Z. I., Lavrentiev Yu.G., Gormasheva G. S., Yaroshenko S. K. Barium phlogopites from the Slyudyanka district (Southern Baikal region). Zapiski VMO (Proc. Russian Miner. Soc.). 1977. Vol. 106. N 2. P. 232—235 (in Russian).
- 46. Levitsky V. I., Petrova Z. I. On the genesis of calcifyres in the Southern Baikal region. Russian Geol. Geophys. 1981. N 8. P. 59—66 (in Russian).
- 47. Levitsky V. I., Petrova Z. I. On the sequence of formation of high-temperature dolomitic metasomatites during ultrametamorphism of ancient deeply metamorphosed strata. Rus. Geochemistry. 1982. N 3. P. 364—368 (in Russian).
- 48. Levitsky I.V., Kaneva E.V., Sapozhnikov A.N., Suvorova L.F. Galite, silvin, baryte in lapis lazuli deposits of the Baikal region-indicators of the source of the substance. Youth in Science-2017. Collection of materials of the International Conference of Young Scientists. Part 2. Minsk, 2018. P. 373—377 (in Russian).
- 49. Loh E. Optical vibrations in sheet silicates. J. Phys. C: Sol. St. Phys. 1973. N6. P. 1091—1104.
- 50. Macquistan M. G. Paragenesis and Evolution of Ba-Silicate Mineralization in Devonian Strata at Gun Occurrence, the Yukon, Canada. University of British Columbia, Vancouver, 2024. 183 p.
- 51. Manuella F. C., Carbone S., Ottolini L., Gibilisco S. Micro-Raman spectroscopy and SIMS characterization of oxykinoshitalite in an olivine nephelinite from the Hyblean Plateau (Sicily, Italy). Eur. J. Miner. 2012. Vol. 24. P. 527—533.
- 52. Mansker W. L., Ewing R. C., Keil K. Barian-titanian biotites in nephelinites from Oahu, Hawaii. Amer. Miner. 1979. Vol. 64. P. 156—159.
- 53. Matsubara S., Kato A., Nagashima A., Matsuo G. The occurrence of kinoshitalite from Hokkejino, Kyoto Prefecture, Japan. Bull. Natur. Sc. Museum (Ser. C). 1976. Vol. 2. P. 71—78.
- 54. McKeown D. A., Bell M. I., Etz E. S. Raman spectra and vibrational analysis of the trioctahedral mica phlogopite. Amer. Miner. 1999. Vol. 84. P. 970—976.
- 55. Mitchell R. H. Kimberlites, orangeites, and related rocks. New York: Plenium Press, 1995. 410 p.
- 56. Miyawaki R. H., Shimazaki H., Shigeoka M., Yokoyama K., Matsubara S., Yurimoto H., Yang Z., Zhang P., Inoue A., Kogure T., Jige M. Fluorokinoshitalite and fluorotetraferriphlogopite: new species of fluoro-mica from Bayan Obo, Inner Mongolia, China. Clay Sci. 2011. Vol. 15. P. 13—18.
- 57. Naletov P. I. Stratigraphy of the Central Part of the Buryat ASSR. Moscow: Gosgeoltekhizdat, 1961. 280 p. (in Russian).
- 58. Oliveira S. B., Sant’Agostino L. M. Lithogeochemistry and 3D geological modeling of the apatite-bearing Mesquita Sampaio beforsite, Jacupiranga alkaline complex, Brazil. Brazil. J. Geol. 2020. Vol. 50. N 3. Paper e201900071.
- 59. Oparin N. A., Oleynikov O. B. Minerals of the phlogopite-kinoshitalite series from the groundmass of kimberlite rocks in pipes from the Khompu-May field (Central Yakutia). Arctic and Subarctic Natural Resources. 2021. Vol. 26. N 4. P. 29—42 (in Russian).
- 60. Pattiaratchi D. E., Saari E., Sahama T. G. Anandite, a new barium iron silicate from Wilagedera, North Western Province, Ceylon. Miner. Mag. 1967. Vol. 36. P. 1—4.
- 61. Pilipenko P. P. On geology and mineralogy of the Slyudyansky district. Mineral’noye Syrye (Mineral Raw Materials). 1930. N 10. P. 945—1366 (in Russian).
- 62. Reznitsky L. Z. Mineral assemblages of magnesian skarns of the Slyudyanka phlogopite deposits. In: Mineralogy of the Baikal region: A guide to the Baikal excursion of the XI Congress of the International Mineralogical Association. Irkutsk, 1978. P. 37—51 (in Russian).
- 63. Reznitsky L. Z., Vorobyov E. I. Regular microinclusions of baryte in calcites of phlogopite veins of Slyudyanka. Doklady USSR Acad. Sci. 1975. Vol. 222. N 3. P. 690—693 (in Russian).
- 64. Rinaudo C., Roz M., Boero V., Franchini-Angela M. FT-Raman spectroscopy on several di- and trioctahedral T-O-T phyllosilicates. Neues Jahrb. Miner. Monatsh. 2004. Vol. 12. P. 537—554.
- 65. Savelyeva V. B., Bazarova E. P., Khromova E. A., Danilova Yu. V. Minerals of Ba and Sr in the rocks of the Bolshetagninsky massif of ultramafic-alkaline rocks and carbonatites. Proc. Fersman Sci. Session RAS. 2021. Vol. 18. P. 342—346 (in Russian).
- 66. Savelyeva V. B., Bazarova E. P., Khromova E. A. Strontium and barium minerals in alkaline rocks of the Bolshetagninsky ijolite-syenite-carbonatite massif (Southwestern margin of the Siberian Craton). Zapiski RMO (Proc. Russian Miner. Soc.). 2023. Vol. 152. N 1. P. 78—102 (in Russian).
- 67. Savelyeva D.N., Danilov B.S., Bazarova E.P., Khromova E.A., Danilova Yu.V. Barium-containing micas of the muscovite-ganterite series from alkaline rocks of the Sredneziminsky iyolite-syenite–carbonatite massif (Eastern Siberia). Zapiski RMO (Proc. Russian Miner. Soc). 2024. Vol. 153. N 1. P. 119—138 (in Russian)
- 68. Scordari F., Ventruri G., Sabato A., Bellatreccia F., Della Ventura G., Pedrazzi G. Ti-rich phlogopite from Mt. Vulture (Potenza, Italy) investigated by a multyanalytical approach. Eur. J. Miner. 2006. Vol. 18. P. 379—391.
- 69. Shafeev A. A. Precambrian of the Southwestern Baikal Region and Khamar-Daban. Moscow: Nauka, 1970. 179 p. (in Russian).
- 70. Shafeev A. A., Perevalov O. V. Geological map of the USSR on a scale of 1:200.000. VostochnoSayanskaya series, sheet M-48-II. Moscow, 1966 (in Russian).
- 71. Shaw C. S.J., Penczak R. S. Barium- and titanium-rich biotite and phlogopite from a carbonatized phlogopite lherzolite: Implications for metasomatism in the continental lithospheric mantle. Amer. Miner. 1992. Vol. 77. P. 784—794.
- 72. Shkolnik S.I., Stankevich A.M., Reznitsky L.Z., Savelyeva V.B. New data about structure and time of formation of the Khamar-Daban terrane: U-Pb LA-ISP-MS zircon ages. Stratigraph. Geol. Cor. 2016. Vol. 54.
- 73. N 1. P. 23—43 (in Russian, English translation: Stratigraph. Geol. Cor. 2016. Vol. 24. N 1. P. 19—38).
- 74. Smirnov S. S. Materials for the Geology and Mineralogy of the Southern Baikal Region. Leningrad: Geol. Com., 1928. 75 p. (in Russian).
- 75. Solovova I.P., Girnis A.V., Ryabchikov I.D., Kononova N.N. The mechanisms of formation of high-barium phlogopite and high-strontium apatite at the final stages of the evolution of alkaline magmas. Geochem. Int. 2009. Vol. 6. P. 613—627 (in Russian, English translation: Geochem. Int. 2009. Vol. 57. N 6. P. 578—591).
- 76. Solie D. N., Su Sh.-Ch. An occurrence of Ba-rich micas from the Alaska Range. Amer. Miner. 1987. Vol. 72. P. 995—999.
- 77. Spiridonov E. M. Barium minerals — baryte and chlorinedominant ferrokinoshitalite BaFe3[Cl2/Al2Si2O10] in plagioperidotites of the Yoko-Dovyren intrusion, Northern Baikal area: products of epigenetic low-grade metamorphism. Geochemistry. 2019. Vol. 64. N 11. P. 1196—1205 (in Russian, English translation: Geochem. Int. 2019. Vol. 57. N 11. P. 1220—1228).
- 78. Tlili A., Smith D. C., Beny J.-M., Boyer H. A Raman microprobe study of natural micas. Miner. Mag. 1989. Vol. 53. P. 165—179.
- 79. Tracy R. J. Ba-rich micas from the Franklin Marble, Lime Crest and Strling Hill, New Jersey. Amer. Miner. 1991. Vol. 76. N 9—10. P. 1683—1693.
- 80. Tracy R. J., Beard J. S. Manganoan kinoshitalite in Mn-rich marble and skarn from Virginia. Amer. Miner. 2003. Vol. 88. P. 740—747.
- 81. Yoshii M., Maeda K. Relations between barium content and the physical and optical properties in the manganoan phlogopite-kinoshitalite series. Miner. J. 1975. Vol. 8. P. 58—65.
- 82. Yoshii M., Maeda K., Kato T., Watanabe T., Yui S., Kato A., Nagashima K. Kinoshitalite, a new mineral from the Noda-Tamagawa mine, Iwate Prefecture. Chigaku Kenkyu. 1973. Vol. 24. P. 181—190.
- 83. Vasiliev E. P., Reznitsky L. Z., Vishnyakov V. N., Nekrasova E. A. The Slyudyanka Metamorphic Complex. Novosibirsk: Nauka Publ., 1981. 196 p. (in Russian).
- 84. Vorobyov E. I. Barium distribution between coexisting calcite and mica as an indicator of the physic-chemical conditions of formation of endogenous carbonate formations. In: Yearbook of SibGeoKHI. Irkutsk. 1970. P. 134—137 (in Russian).
- 85. Vorobyov E. I. Some features of the distribution of strontium and barium in calcites from carbonate rocks of the Slyudyanka phlogopite deposit. In: Strontium and Barium in Endogenous Formations. Moscow: Nauka, 1973. P. 152—159 (in Russian).
- 86. Vorobyov E. I., Matonin V. N. New data on the geology and genesis of lapis lazuli deposits in the Baikal region. In: Ferromagnesian Metasomatosis and Ore Formation. Moscow: Nauka, 1980. P. 149—157 (in Russian).
- 87. Zelnikova T., Racek M., Abart R. Compositional trend in Ba-, Ti-, and Cl-rich micas from metasomatized mantle rock of the Gföhl Unit, Bohemian Massif, Austria. Amer. Miner. 2023. Vol. 108. N 10. P. 1840—1851.
- 88. Zhang M., Suddaby P., Thomson R.N., Dungan M.A. Barian titanian phlogopite from potassic lavas in northeast China: Chemistry, substitutions and paragenesis. Amer. Miner. 1993. Vol. 78. P. 1056—1065.
- 89. Zhu C., Sverjensky D. A. F-Cl-OH partitioning between biotite and apatite. Geochim. Cosmochim. Acta. 1992. Vol. 56. N 9. P. 1837—1858.