شیمی تورمالین در پگماتیت‌های ملایر- بروجرد- نظام‌آباد (شازند)، (پهنه سنندج- سیرجان)

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشگاه تبریز

2 سازمان زمین شناسی و اکتشافات معدنی

چکیده

منطقه ملایر-بروجرد-نظام­آباد (به طول حدود 70 کیلومتر) در بخشی از پهنه سنندج- سیرجان با راستای شمال غربی-جنوب­شرقی واقع شده و بیشتر متشکل از هورنفلس، شیست، فیلیت، میگماتیت، گرانیت و گرانودیوریت است که در برگیرنده دایک­های پگماتیتی و آپلیتی متعددی است. در این میان، واحدهای هورنفلس شیست و گرانودیوریت میزبان پگماتیت­های شامل کوارتز، فلدسپار، موسکویت و تورمالین هستند. ترکیب تورمالین­ از نوع شورلیت-فوئیتیت با تمایلی به سمت دراویت در تورمالین­های شازند بوده که نشان دهنده خاستگاه ماگمایی و گرمابی هستند و در گروه قلیایی و با فضای خالی قرار می­گیرند. این تورمالین­ها در نمودار FeO/FeO+MgO نسبت به MgO در دو دسته تورمالین­های بالای 8/0 و کمتر از 8/0 قرار می­گیرند که این ماگمایی-گرمابی بودن تورمالین­ها را تایید می­کند. شواهد ماگمایی بودن شامل ترکیب غالب شورلیت در تورمالین­ها، افزایش آلومینیوم در جایگاه هشت­وجهی و قرار گرفتن بیشتر نمونه­ها در بین دو بردار مربوط به تورمالین­های ناقص از نظر قلیایی و پروتون­زدایی هستند. وجود تورمالین­های با منطقه­بندی، رگه­ای بودن پگماتیت­ها، افزایش مقدار منیزیم در برخی از نمونه­ها و تمایل به قرارگیری در گستره خارجی و دور از بردارهای مربوط به تورمالین­های ناقص از نظر قلیایی و پروتون­زدایی شواهد گرمابی بودن تورمالین هستند.     

کلیدواژه‌ها

عنوان مقاله [English]

Tourmaline chemistry in Malayer-Boroujerd-Shazand, (Sanandaj-Sirjan Zone)

نویسندگان [English]

  • Kamal Siahcheshm 1
  • Pejvak Didar 2
  • Ahmad Jahangiri 1
  • Sima Bayat 1
1
2
چکیده [English]

The Malayer-Boroujerd-Shazand district (approximately 70 km long) is located in the Sanandaj-Sirjan zone with NW-SE trending, and consist mainly of hornfels, schist, phyllite, migmatite, granite and granodiorite which contain numerous pegmatite and aplitic dykes. Among these rocks, granodiorite, hornfels and schist are main host rocks for quartz, feldspar, muscovite and tourmaline bearing pegmatites. The tourmaline composition is schorlite- foitite type with tendency to dravite in Shazand tourmaline which show magmatic-hydrothermal origin, and located in alkali and site-vacancies. These tourmalines in the Fe/ (Fe + Mg) vs MgO diagram are located above and below 0.8 which proved tourmalines are magmatic and hydrothermal. Magmatic evidences are dominantly schorlite tourmaline composition, increase in octahedral Al content, higher Fe content than Mg and presence of more sample between alkali-deficient and proton-deficient tourmaline vectors. Presence of zoning in tourmaline, vein form pegmatite, increase of Mg in some samples and being away from alkali-deficient and proton-deficient tourmaline vectors are evidences for hydrothermal origin of tourmaline.

کلیدواژه‌ها [English]

  • tourmaline
  • pegmatite
  • magmatic-hydrothermal
  • Malayer-Boroujerd-Shazand
  • Sanandaj-Sirjan Zone

مراجع

  1. [1] Slack J. F., Herriman N., Barnes R. G., Plimer I. R., "Stratiform tourmalinites in metamorphic terrenes and their geologic significance", Geology 12 (1984) 713-716.

    https://doi.org/10.1130/0091-7613(1984)122.0.CO;2 [DOI:10.1130/0091-7613(1984)122.0.CO;2]
  2. [1] Slack J. F., Herriman N., Barnes R. G., Plimer I. R., "Stratiform tourmalinites in metamorphic terrenes and their geologic significance", Geology 12 (1984) 713-716.

    https://doi.org/10.1130/0091-7613(1984)122.0.CO;2 [DOI:10.1130/0091-7613(1984)122.0.CO;2]
  3. [2] Asnaashari A., Hassanzadeh J., " arctic magmatism in middle part of Sanandaj-Sirjan Zone (West of Iran) and geochemical relations on granitoids (in Persian)", Iranian Journal of Geology. 30 (2014) 85-96.
  4. [2] Asnaashari A., Hassanzadeh J., " arctic magmatism in middle part of Sanandaj-Sirjan Zone (West of Iran) and geochemical relations on granitoids (in Persian)", Iranian Journal of Geology. 30 (2014) 85-96.
  5. [3] Siahcheshm K., Didar P., Bayat S., Jahangiri A., "Mineralogy and Petrochemical Evaluation in Pegmatites of Boroujerd-Malayer-Shazand (northern parts of Sanandaj-Sirjan)", The 36th National and the 3rd International Geosciences Congress of Iran (2018).
  6. [3] Siahcheshm K., Didar P., Bayat S., Jahangiri A., "Mineralogy and Petrochemical Evaluation in Pegmatites of Boroujerd-Malayer-Shazand (northern parts of Sanandaj-Sirjan)", The 36th National and the 3rd International Geosciences Congress of Iran (2018).
  7. [4] Salami S., "petrology and mineral chemistry in east of Boroujerd (in Persian)" Iranian Journal of Crystallography and Mineralogy 24 (2016) 19-23.
  8. [4] Salami S., "petrology and mineral chemistry in east of Boroujerd (in Persian)" Iranian Journal of Crystallography and Mineralogy 24 (2016) 19-23.
  9. [5] Mirsepahvand F., Tahmasbi Z., "Geochemistry and source determination of tourmalines in Boroujerd area', Iranian Journal of Crystallography and Mineralogy (in Persian)" (2012) 20 2 281-292.
  10. [5] Mirsepahvand F., Tahmasbi Z., "Geochemistry and source determination of tourmalines in Boroujerd area', Iranian Journal of Crystallography and Mineralogy (in Persian)" (2012) 20 2 281-292.
  11. [6] Ahmadi-Khalaji A.," petrology and petrofabric of intrusion and metamorphic rocks in Boroujerd (in Persian)" M.Sc. thesis university of Tehran (1999).
  12. [6] Ahmadi-Khalaji A.," petrology and petrofabric of intrusion and metamorphic rocks in Boroujerd (in Persian)" M.Sc. thesis university of Tehran (1999).
  13. [7] Esmaeily D., Mohamadi H., Haghnazar M., "Comparison of chemical composition of tourmaline in tin and tungsten bearing quaryz-tourmaline veins (Shah-kuh area, east of Iran and Nezam abad, west of Iran)" Iranian Journal of Crystallography and Mineralogy 17 (2009) 343-356.
  14. [7] Esmaeily D., Mohamadi H., Haghnazar M., "Comparison of chemical composition of tourmaline in tin and tungsten bearing quaryz-tourmaline veins (Shah-kuh area, east of Iran and Nezam abad, west of Iran)" Iranian Journal of Crystallography and Mineralogy 17 (2009) 343-356.
  15. [8] Tahmasbi Z., Ahmadi-Khalai A., Rajaeihe M., "Tourmalinization in Astane granitoids (soth west Arak)" Iranian Journal of Crystallography and Mineralogy 17 (2009) 369-380.
  16. [8] Tahmasbi Z., Ahmadi-Khalai A., Rajaeihe M., "Tourmalinization in Astane granitoids (soth west Arak)" Iranian Journal of Crystallography and Mineralogy 17 (2009) 369-380.
  17. [9] Masoudi F., "Contact metamorphism and pegmatite development in the region S.W of Arak- Iran", Thesis, University of Leeds, England, (1977) 321p.
  18. [9] Masoudi F., "Contact metamorphism and pegmatite development in the region S.W of Arak- Iran", Thesis, University of Leeds, England, (1977) 321p.
  19. [10] Masoudi F., Yardley B.W.D., Cliff R.A., "Rb-Sr geochronology of pegmatites, plutonic rocks and a hornfels in the south- west of Arak, Iran", Journal of Sciences, Islamic Republic of Iran 13 (2002) 249-254.
  20. [10] Masoudi F., Yardley B.W.D., Cliff R.A., "Rb-Sr geochronology of pegmatites, plutonic rocks and a hornfels in the south- west of Arak, Iran", Journal of Sciences, Islamic Republic of Iran 13 (2002) 249-254.
  21. [11] Ahmadi Khalaji, A., Esmaeily, D., Valizadeh, M.V., Rahimpour-Bonab, H., "Petrology and geochemistry of the granitoid complex of Boroujerd, Sanandaj-Sirjan Zone, Western Iran", Journal of Asian Earth Sciences, 29 (2007) 859-877. [DOI:10.1016/j.jseaes.2006.06.005]
  22. [11] Ahmadi Khalaji, A., Esmaeily, D., Valizadeh, M.V., Rahimpour-Bonab, H., "Petrology and geochemistry of the granitoid complex of Boroujerd, Sanandaj-Sirjan Zone, Western Iran", Journal of Asian Earth Sciences, 29 (2007) 859-877. [DOI:10.1016/j.jseaes.2006.06.005]
  23. [12] Tabbakh Shabani A.A., Sahamieh R.Z., Keshavarz Z., "Composition of Tourmalines from Hajiabad and Dehgah area, SE Boroujerd", Journal of Geopersia, 3 (2013) 21-33.
  24. [12] Tabbakh Shabani A.A., Sahamieh R.Z., Keshavarz Z., "Composition of Tourmalines from Hajiabad and Dehgah area, SE Boroujerd", Journal of Geopersia, 3 (2013) 21-33.
  25. [13] Baharifar, A., Moinevaziri, H., Bellon, H., Piqué, A., "The crystalline complexes of Hamadan (Sanandaj-Sirjan zone, western Iran): metasedimentary Mesozoic sequences affected by Late Cretaceous tectono-metamorphic and plutonic events", Geoscience, 336 (2004) 1443-1452. [DOI:10.1016/j.crte.2004.09.014]
  26. [13] Baharifar, A., Moinevaziri, H., Bellon, H., Piqué, A., "The crystalline complexes of Hamadan (Sanandaj-Sirjan zone, western Iran): metasedimentary Mesozoic sequences affected by Late Cretaceous tectono-metamorphic and plutonic events", Geoscience, 336 (2004) 1443-1452. [DOI:10.1016/j.crte.2004.09.014]
  27. [14] Berberian M., Alavitehrani N., "Structural analyses of Hamadan metamorphic tectonics", a paleotectonic discussion, in: M. Berberian (Ed.), Contribution to the seismotectonics of Iran, Geological Survey of Iran, (1977) 263-278.
  28. [14] Berberian M., Alavitehrani N., "Structural analyses of Hamadan metamorphic tectonics", a paleotectonic discussion, in: M. Berberian (Ed.), Contribution to the seismotectonics of Iran, Geological Survey of Iran, (1977) 263-278.
  29. [15] Tillman J.E., Poosti A., Rossello S., Eckert A., "Structural evolution of Sanandaj-Sirjan Ranges near Esfahan, Iran" American Association of Petroleum Geologists Bulletin, 65 (1981) 674-687. [DOI:10.1306/2F9199A9-16CE-11D7-8645000102C1865D]
  30. [15] Tillman J.E., Poosti A., Rossello S., Eckert A., "Structural evolution of Sanandaj-Sirjan Ranges near Esfahan, Iran" American Association of Petroleum Geologists Bulletin, 65 (1981) 674-687. [DOI:10.1306/2F9199A9-16CE-11D7-8645000102C1865D]
  31. [16] Hassanzadeh J., Stockli D.F., Horton B.K., Axen G.J., Stockli, L.D., Grove M., Schmitt A.K., Walker J.D., "U-Pb zircon geochronology of late Neoproterozoic-Early Cambrian granitoids in Iran: Implications for paleogeography, magmatism, and exhumation history of Iranian basement", Tectonophysics, 451 (2008) 71-96. [DOI:10.1016/j.tecto.2007.11.062]
  32. [16] Hassanzadeh J., Stockli D.F., Horton B.K., Axen G.J., Stockli, L.D., Grove M., Schmitt A.K., Walker J.D., "U-Pb zircon geochronology of late Neoproterozoic-Early Cambrian granitoids in Iran: Implications for paleogeography, magmatism, and exhumation history of Iranian basement", Tectonophysics, 451 (2008) 71-96. [DOI:10.1016/j.tecto.2007.11.062]
  33. [17] Mohajjel M., Fergusson C.L., "Dextral transperssion in late Cretaceous continental collision, Sanandaj-Sirjan Zone, western Iran". Journal of structural Geology, 22 (2000) 1125-1139. [DOI:10.1016/S0191-8141(00)00023-7]
  34. [17] Mohajjel M., Fergusson C.L., "Dextral transperssion in late Cretaceous continental collision, Sanandaj-Sirjan Zone, western Iran". Journal of structural Geology, 22 (2000) 1125-1139. [DOI:10.1016/S0191-8141(00)00023-7]
  35. [18] Whitney D.L. Evans B.V., "Abbreviations for names of rock-forming minerals". American Mineralogist 95 (2010) 185-187. [DOI:10.2138/am.2010.3371]
  36. [18] Whitney D.L. Evans B.V., "Abbreviations for names of rock-forming minerals". American Mineralogist 95 (2010) 185-187. [DOI:10.2138/am.2010.3371]
  37. [19] Slack J.F., Palmer M.R., Stevens B.P.J., Barnes R.G., "Origin significance of tourmaline-rich rocks in the Broken Hill district, Australia", Economic Geology 88 (1993) 505-541. [DOI:10.2113/gsecongeo.88.3.505]
  38. [19] Slack J.F., Palmer M.R., Stevens B.P.J., Barnes R.G., "Origin significance of tourmaline-rich rocks in the Broken Hill district, Australia", Economic Geology 88 (1993) 505-541. [DOI:10.2113/gsecongeo.88.3.505]
  39. [20] Selway J.B., Novák, M., Černý P. Hawthorne F.C., "Compositional evolution of tourmaline in lepidolite-subtype pegmatites". Europian Journal of Mineralogy 11(1999) 569-584. [DOI:10.1127/ejm/11/3/0569]
  40. [20] Selway J.B., Novák, M., Černý P. Hawthorne F.C., "Compositional evolution of tourmaline in lepidolite-subtype pegmatites". Europian Journal of Mineralogy 11(1999) 569-584. [DOI:10.1127/ejm/11/3/0569]
  41. [21] Von Goerne G., Franz G., "Synthesis of Ca-tourmaline in the system CaO-MgO-Al2O3-SiO2-B2O3-H2O-HCl". Mineralogy and Petrology 69 (2000) 161-182. [DOI:10.1007/s007100070019]
  42. [21] Von Goerne G., Franz G., "Synthesis of Ca-tourmaline in the system CaO-MgO-Al2O3-SiO2-B2O3-H2O-HCl". Mineralogy and Petrology 69 (2000) 161-182. [DOI:10.1007/s007100070019]
  43. [22] Von Goerne G., Franz G., Heinrich W., "Synthesis of tourmaline solid solutions in the system Na2O-MgO-Al2O3-SiO2-B2O3-H2O-HCl and the distribution of Na between tourmaline and fluid at 300 to 700°C and 200 MPa." Contribution to Mineralogy and Petrology, 141 (2001) 160-173. [DOI:10.1007/s004100100243]
  44. [22] Von Goerne G., Franz G., Heinrich W., "Synthesis of tourmaline solid solutions in the system Na2O-MgO-Al2O3-SiO2-B2O3-H2O-HCl and the distribution of Na between tourmaline and fluid at 300 to 700°C and 200 MPa." Contribution to Mineralogy and Petrology, 141 (2001) 160-173. [DOI:10.1007/s004100100243]
  45. [23] Hawthorne F. C., Henry D. J., "Classification of the minerals of the tourmaline group", European Journal of Mineralogy 11 (1999) 201-215. [DOI:10.1127/ejm/11/2/0201]
  46. [23] Hawthorne F. C., Henry D. J., "Classification of the minerals of the tourmaline group", European Journal of Mineralogy 11 (1999) 201-215. [DOI:10.1127/ejm/11/2/0201]
  47. [24] London D., Manning D.A.C., "Chemical variation and significance of tourmaline from SW England", Economic Geology (1995) 495-519. [DOI:10.2113/gsecongeo.90.3.495]
  48. [24] London D., Manning D.A.C., "Chemical variation and significance of tourmaline from SW England", Economic Geology (1995) 495-519. [DOI:10.2113/gsecongeo.90.3.495]
  49. [25] Tindle A.G., Breaks F.W., Selway J.B., "Tourmaline in petalite-subtype granitic pegmatites: evidence of fractionation and contamination from the Pakeagama Lake and Separation Lake areas of northwestern Ontario, Canada". Canadian Mineralogist 40 (2002b) 753-788. [DOI:10.2113/gscanmin.40.3.753]
  50. [25] Tindle A.G., Breaks F.W., Selway J.B., "Tourmaline in petalite-subtype granitic pegmatites: evidence of fractionation and contamination from the Pakeagama Lake and Separation Lake areas of northwestern Ontario, Canada". Canadian Mineralogist 40 (2002b) 753-788. [DOI:10.2113/gscanmin.40.3.753]
  51. [26] Trumbull R.B., Chaussidon M., "Chemical and boron isotopic composition of magmatic and hydrothermal tourmalines from the Sinceni granite- pegmatite system in Swaziland", Chemical geology 153 (1999) 125-137. [DOI:10.1016/S0009-2541(98)00155-7]
  52. [26] Trumbull R.B., Chaussidon M., "Chemical and boron isotopic composition of magmatic and hydrothermal tourmalines from the Sinceni granite- pegmatite system in Swaziland", Chemical geology 153 (1999) 125-137. [DOI:10.1016/S0009-2541(98)00155-7]
  53. [27] Pesquera A., Velasco F.," Mineralogy, geochemistry and geological significance of tourmaline-rich rocks from the Paleozoic Cinco Villas massif (western Pyrenees, Spain)", Contributions to Mineralogy and Petrology 129 (1997) 53-74. [DOI:10.1007/s004100050323]
  54. [27] Pesquera A., Velasco F.," Mineralogy, geochemistry and geological significance of tourmaline-rich rocks from the Paleozoic Cinco Villas massif (western Pyrenees, Spain)", Contributions to Mineralogy and Petrology 129 (1997) 53-74. [DOI:10.1007/s004100050323]
  55. [28] Pesquera A., Torres-Ruiz J., Gil-Grespo P.P., Velilla N., " Chemistry and genetic implications of tourmaline and Li-F-Cs micas from the Valdeflores area (Caceres, Spain)", American Mineralogist 84 (1999) 55-69. [DOI:10.2138/am-1999-1-206]
  56. [28] Pesquera A., Torres-Ruiz J., Gil-Grespo P.P., Velilla N., " Chemistry and genetic implications of tourmaline and Li-F-Cs micas from the Valdeflores area (Caceres, Spain)", American Mineralogist 84 (1999) 55-69. [DOI:10.2138/am-1999-1-206]
  57. [29] Harraz H. Z., El-Sharkaway M. F., "Origin of tourmaline in the metamorphosed Sikait pelitic belt, south eastern desert, Egypt", Journal of African Earth Science, 33 (2001) 391-416. [DOI:10.1016/S0899-5362(01)80071-3]
  58. [29] Harraz H. Z., El-Sharkaway M. F., "Origin of tourmaline in the metamorphosed Sikait pelitic belt, south eastern desert, Egypt", Journal of African Earth Science, 33 (2001) 391-416. [DOI:10.1016/S0899-5362(01)80071-3]
  59. [30] Manning D.A.C., "Chemical and morphological variation in tourmalines from the Hub Kapong batholith of Peninsular Thailand" Mineralogical Magazine, 45 (1982) 139-147. [DOI:10.1180/minmag.1982.045.337.16]
  60. [30] Manning D.A.C., "Chemical and morphological variation in tourmalines from the Hub Kapong batholith of Peninsular Thailand" Mineralogical Magazine, 45 (1982) 139-147. [DOI:10.1180/minmag.1982.045.337.16]
  61. [31] Cavarretta G., Puveddu M., "Schorl-Dravite- Ferridravite Tourmalines Deposited by Hedrothermal Magmatic Fluids during Early Evolution of the Larderico Geothermal Field, Italy". Economic Geology, 85 (1990) 1236-1251. [DOI:10.2113/gsecongeo.85.6.1236]
  62. [31] Cavarretta G., Puveddu M., "Schorl-Dravite- Ferridravite Tourmalines Deposited by Hedrothermal Magmatic Fluids during Early Evolution of the Larderico Geothermal Field, Italy". Economic Geology, 85 (1990) 1236-1251. [DOI:10.2113/gsecongeo.85.6.1236]
  63. [32] Pirajno F., Smithies R. H., "The FeO/ (FeO + MgO) ratio of tourmaline: A useful indicator of spatial variations in granite-related hydrothermal mineral deposits", Journal of geochemical explorations 42 (1992) 371-381. [DOI:10.1016/0375-6742(92)90033-5]
  64. [32] Pirajno F., Smithies R. H., "The FeO/ (FeO + MgO) ratio of tourmaline: A useful indicator of spatial variations in granite-related hydrothermal mineral deposits", Journal of geochemical explorations 42 (1992) 371-381. [DOI:10.1016/0375-6742(92)90033-5]
  65. [33] Samson I.M., Sinclair W.D., "Magmatic hydrothermal fluids and the origin of quartz tourmaline orbicules in the Seagull batholith, Yukon Territory", Canadian Mineralogist 30 (1992) 937-954.
  66. [33] Samson I.M., Sinclair W.D., "Magmatic hydrothermal fluids and the origin of quartz tourmaline orbicules in the Seagull batholith, Yukon Territory", Canadian Mineralogist 30 (1992) 937-954.
  67. [34] Truscott M.G., Shaw D.M.,"Boron in chert and Precambrian siliceous iron formation", Geochimca et Cosmochimca Acta, 48 (1948) 2220-2313. [DOI:10.1016/0016-7037(84)90227-8]
  68. [34] Truscott M.G., Shaw D.M.,"Boron in chert and Precambrian siliceous iron formation", Geochimca et Cosmochimca Acta, 48 (1948) 2220-2313. [DOI:10.1016/0016-7037(84)90227-8]
  69. [35] Henry D. J., Guidotti C. V., "Tourmaline as a petrogenetic indicator mineral: an example from the staurolite grade metapelites of NW-Marine". American Mineralogist 70 (1985) 1-15.
  70. [35] Henry D. J., Guidotti C. V., "Tourmaline as a petrogenetic indicator mineral: an example from the staurolite grade metapelites of NW-Marine". American Mineralogist 70 (1985) 1-15.
  71. [36] Burt D.M., "Vector representation of tourmaline compositions". American mineralogist 74 (1989) 826-839.
  72. [36] Burt D.M., "Vector representation of tourmaline compositions". American mineralogist 74 (1989) 826-839.
  73. [37] Weisbrod A., Polak C., Roy D., "Experimental study of tourmaline solubility in the system Na-Mg-Al-Si-B-O-H. Applications to the boron content of natural hydrothermal fluids and tourmalinization process". International Symposium Experimental Mineralogy and Geochemistry, Nancy, (1986) 140-141.
  74. [37] Weisbrod A., Polak C., Roy D., "Experimental study of tourmaline solubility in the system Na-Mg-Al-Si-B-O-H. Applications to the boron content of natural hydrothermal fluids and tourmalinization process". International Symposium Experimental Mineralogy and Geochemistry, Nancy, (1986) 140-141.

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  • تاریخ دریافت: 15 اردیبهشت 1397
  • تاریخ بازنگری: 17 مرداد 1397
  • تاریخ پذیرش: 17 شهریور 1397

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