2.ɉɟɬɪɨɜ Ƚ.Ⱥ.,Ɍɪɢɫɬɚɧ ɇ.Ⱥ.,Ɂɟɧɤɨɜ ɂ.ɂ.Ƚɨɫɭɞɚɪɫɬɜɟɧɧɚɹ ɝɟɨɥɨɝɢɱɟɫɤɚɹ ɤɚɪɬɚ Ɋɨɫɫɢɣɫɤɨɣ ɮɟɞɟɪɚɰɢɢ ɦɚɫɲɬɚɛɚ 1:200000. ɂɡɞɚɧɢɟ ɜɬɨɪɨɟ. ɋɟɪɢɹ ɋɪɟɞɧɟɭɪɚɥɶ-ɫɤɚɹ.Ʌɢɫɬ Ɉ-40-XVIII. Ɉɛɴɹɫɧɢɬɟɥɶɧɚɹ ɡɚɩɢɫɤɚ.ȿɤɚɬɟɪɢɧɛɭɪɝ:ɈȺɈ ɍȽɋɗ, 1999.
268ɫ.
3.ɉɥɸɫɧɢɧ Ʉ.ɉ.Ɇɟɬɨɞɢɤɚ ɢɡɭɱɟɧɢɹ ɬɟɤɬɨɧɢɱɟɫɤɢɯ ɫɬɪɭɤɬɭɪ ɫɤɥɚɞɱɚɬɵɯ ɩɨɹɫɨɜ (ɧɚ ɩɪɢɦɟɪɟ ɍɪɚɥɚ).ɉɟɪɦɶ:ɂɡɞ-ɜɨ ɉɟɪɦɫɤɨɝɨ ɝɨɫɭɧɢɜɟɪɫɢɬɟɬɚ, 1971. 218 ɫ.
4.ɉɭɱɤɨɜ ȼ.ɇ.Ƚɟɨɥɨɝɢɹ ɍɪɚɥɚ ɢ ɉɪɢɭɪɚɥɶɹ (ɚɤɬɭɚɥɶɧɵɟ ɜɨɩɪɨɫɵ ɫɬɪɚɬɢɝɪɚɮɢɢ, ɬɟɤɬɨɧɢɤɢ,ɝɟɨɞɢɧɚɦɢɤɢ ɢ ɦɟɬɚɥɥɨɝɟɧɢɢ).ɍɮɚ:Ⱦɢɡɚɣɧɉɨɥɢɝɪɚɮɋɟɪɜɢɫ, 2010. 280 ɫ.
5.Ɋɭɫɢɧɨɜ ȼ.Ʌ.Ɂɨɧɵ ɫɞɜɢɝɨɜɵɯ ɞɟɮɨɪɦɚɰɢɣ ɜ ɥɢɬɨɫɮɟɪɟ ɢ ɢɯ ɪɨɥɶ ɜ ɷɧɞɨɝɟɧ-ɧɨɣ ɚɤɬɢɜɧɨɫɬɢ Ɂɟɦɥɢ // Ƚɟɨɬɟɤɬɨɧɢɤɚ. 2005. ʋ3.ɋ. 66–79.
6.ɋɨɫks L.R.M., Torsvik T.H. European geography in a global context from the Ven-dian to the end of Palaeozoic / Gee D.G., Stephenson R.A. (Eds) // European Lithosphere Dynamics. Geological Society. London. Memoirs. 2006. V. 32. P. 83–96.
7.Meert J.G. Ediacaran–Early Ordovician paleomagnetism of Baltica: a review //
Gondvana Research. 2013 (in press).
8.Torsvik T.H., Cocks L.R.M. Norway in space and time: a Centennial cavalcade. //
Norwegian Journal of Geology. Trondheim. 2005. V. 85. P. 73–86.
Ⱥ.ȼ. ɉɢɥɢɰɵɧɚ
1, Ⱥ.Ⱥ. Ɍɪɟɬɶɹɤɨɜ
1, ȿ.ȼ. Ʉɨɜɚɥɶɱɭɤ
2Ɉɫɨɛɟɧɧɨɫɬɢ ɩɪɨɹɜɥɟɧɢɹ ɢɡɨɬɟɪɦɚɥɶɧɨɣ ɞɟɤɨɦɩɪɟɫɫɢɢ
ɢ ɩɨɫɥɟɞɭɸɳɟɝɨ ɨɯɥɚɠɞɟɧɢɹ ɜ ɪɚɧɧɟɩɚɥɟɨɡɨɣɫɤɢɯ
ɢɦɟɸɳɭɸ ɩɪɨɬɹɠɟɧɧɨɫɬɶ ɨɤɨɥɨ 100 ɤɦ ɢ ɫ ɫɟɜɟɪɨ-ɜɨɫɬɨɤɚ ɨɝɪɚɧɢɱɟɧ-ɧɭɸ ɩɨɪɨɞɚɦɢ Ⱦɠɚɥɚɢɪ-ɇɚɣɦɚɧɫɤɨɣ ɨɮɢɨɥɢɬɨɜɨɣ ɡɨɧɵ [6].
Ɇɟɬɚɦɨɪɮɢɱɟɫɤɢɟ ɩɨɪɨɞɵ ɚɧɪɚɯɚɣɫɤɨɝɨ ɤɨɦɩɥɟɤɫɚ ɯɚɪɚɤɬɟɪɢɡɭɸɬɫɹ ɩɟɫɬɪɵɦ ɫɨɫɬɚɜɨɦ, ɚ ɤɪɨɦɟ ɬɨɝɨ ɪɚɡɧɨɨɛɪɚɡɢɟɦ ɫɬɭɩɟɧɟɣ ɦɟɬɚɦɨɪɮɢɡ-ɦɚ. Ɍɚɤ, ɫɪɟɞɢ ɩɨɪɨɞ ɤɨɦɩɥɟɤɫɚ ɜɫɬɪɟɱɚɸɬɫɹ ɷɤɥɨɝɢɬɵ ɢ ɝɪɚɧɚɬɨɜɵɟ ɤɥɢɧɨɩɢɪɨɤɫɟɧɢɬɵ [3], ɩɢɤ ɦɟɬɚɦɨɪɮɢɡɦɚ ɤɨɬɨɪɵɯ ɫɨɨɬɜɟɬɫɬɜɭɟɬ ɭɫɥɨ-ɜɢɹɦ ɷɤɥɨɝɢɬɨɜɨɣ ɮɚɰɢɢ; ɜɦɟɳɚɸɳɢɟ ɜɵɫɨɤɨɛɚɪɢɱɟɫɤɢɟ ɨɛɪɚɡɨɜɚɧɢɹ, ɝɧɟɣɫɵ, ɢɦɟɸɬ ɜ ɫɜɨɟɦ ɫɨɫɬɚɜɟ ɦɢɧɟɪɚɥɶɧɭɸ ɚɫɫɨɰɢɚɰɢɸ Grt + Ky + Kfs,ɨɬɜɟɱɚɸɳɭɸ ɭɫɥɨɜɢɹɦ ɝɪɚɧɭɥɢɬɨɜɨɣ ɮɚɰɢɢ [4]. Ɍɚɤɠɟ ɫɪɟɞɢ ɩɨɪɨɞ ɤɨɦɩɥɟɤɫɚ ɩɪɢɫɭɬɫɬɜɭɸɬ ɝɪɚɧɚɬɨɜɵɟ ɢ ɛɟɡɝɪɚɧɚɬɨɜɵɟ ɚɦɮɢɛɨɥɢɬɵ, ɦɟ-ɬɚɦɨɪɮɢɡɨɜɚɧɧɵɟ ɫɟɪɩɟɧɬɢɧɢɬɵ, ɬɚɥɶɤɢɬɵ ɢ ɞɢɚɮɬɨɪɢɪɨɜɚɧɧɵɟ ɝɪɚ-ɧɚɬ-ɛɢɨɬɢɬɨɜɵɟ ɩɚɪɚɝɧɟɣɫɵ, ɦɢɧɟɪɚɥɶɧɵɟ ɩɚɪɚɝɟɧɟɡɢɫɵ ɤɨɬɨɪɵɯ ɧɚ ɩɢɤɟ ɦɟɬɚɦɨɪɮɢɡɦɚ ɫɨɨɬɜɟɬɫɬɜɭɸɬ ɭɫɥɨɜɢɹɦ ɚɦɮɢɛɨɥɢɬɨɜɨɣ ɮɚɰɢɢ [4].
ɉɨɞɨɛɧɵɟ ɪɚɡɥɢɱɢɹ ɫɪɟɞɢ ɩɨɪɨɞ ɨɞɧɨɝɨ ɤɨɦɩɥɟɤɫɚ ɦɨɝɭɬ ɫɜɢɞɟɬɟɥɶ-ɫɬɜɨɜɚɬɶ ɨ ɫɥɨɠɧɨɣ ɢ ɦɧɨɝɨɷɬɚɩɧɨɣ ɬɟɤɬɨɧɢɱɟɫɤɨɣ ɢɫɬɨɪɢɢ ɟɝɨ ɮɨɪɦɢ-ɪɨɜɚɧɢɹ,ɚ ɬɚɤɠɟ ɪɚɡɧɨɨɛɪɚɡɢɢ ɮɚɤɬɨɪɨɜ,ɩɨɜɥɢɹɜɲɢɯ ɧɚ ɫɨɫɬɚɜ ɩɨɪɨɞ ɢ ɨɫɨɛɟɧɧɨɫɬɢ ɢɯ ɦɟɬɚɦɨɪɮɢɱɟɫɤɢɯ ɩɪɟɨɛɪɚɡɨɜɚɧɢɣ.
ɇɚɢɛɨɥɟɟ ɢɡɭɱɟɧɧɵɦɢ ɧɚ ɞɚɧɧɵɣ ɦɨɦɟɧɬ ɩɨɪɨɞɚɦɢ ɚɧɪɚɯɚɣɫɤɨɝɨ ɤɨɦɩɥɟɤɫɚ ɹɜɥɹɸɬɫɹ ɷɤɥɨɝɢɬɵ ɢ ɝɪɚɧɚɬɨɜɵɟ ɤɥɢɧɨɩɢɪɨɤɫɟɧɢɬɵ [5] ɪɚɧ-ɧɟɩɚɥɟɨɡɨɣɫɤɨɝɨ ɜɨɡɪɚɫɬɚ [7], ɜɫɬɪɟɱɚɸɳɢɟɫɹ ɜ ɜɢɞɟ ɬɟɤɬɨɧɢɱɟɫɤɢɯ ɥɢɧɡ ɫɪɟɞɢGrt – Ky – Kfsɝɧɟɣɫɨɜ ɢ ɜ ɧɟɤɨɬɨɪɵɯ ɫɥɭɱɚɹɯ ɱɟɪɟɞɭɸɳɢɟɫɹ ɦɟɠɞɭ ɫɨɛɨɣ. Ƚɪɚɧɚɬɨɜɵɟ ɤɥɢɧɨɩɢɪɨɤɫɟɧɢɬɵ ɯɚɪɚɤɬɟɪɢɡɭɸɬɫɹ ɚɫɫɨ-ɰɢɚɰɢɟɣ ɜɵɫɨɤɨɦɚɝɧɟɡɢɚɥɶɧɨɝɨGrt (Py23 Alm45),Cpx (Di63),Rt,ɡɚɱɚɫɬɭɸ ɡɚɦɟɳɟɧɧɨɝɨTtn,ɢAmpɪɟɝɪɟɫɫɢɜɧɨɝɨ ɷɬɚɩɚ.Ⱦɚɧɧɚɹ ɚɫɫɨɰɢɚɰɢɹ ɧɟ ɫɨ-ɞɟɪɠɢɬ ɤɜɚɪɰɚ.Ɉɬɫɭɬɫɬɜɢɟ ɜ ɦɢɧɟɪɚɥɶɧɨɦ ɫɨɫɬɚɜɟ ɝɪɚɧɚɬɨɜɵɯ ɭɥɶɬɪɚ-ɦɚɮɢɬɨɜ Opx ɡɚɬɪɭɞɧɹɟɬ ɨɩɪɟɞɟɥɟɧɢɟ ɩɚɪɚɦɟɬɪɨɜ ɞɚɜɥɟɧɢɹ,ɨɞɧɚɤɨ ɢɫ-ɩɨɥɶɡɨɜɚɧɢɟ Grt-Cpxɝɟɨɬɟɪɦɨɦɟɬɪɚ Powell [13] ɩɨɡɜɨɥɢɥɨ ɨɩɪɟɞɟɥɢɬɶ ɬɟɦɩɟɪɚɬɭɪɭ ɨɛɪɚɡɨɜɚɧɢɹ ɩɨɪɨɞ ɧɚ ɩɢɤɟ ɦɟɬɚɦɨɪɮɢɡɦɚ (T = 830 °C).ɇɟ ɨɬɥɢɱɚɸɬɫɹ ɪɟɩɪɟɡɟɧɬɚɬɢɜɧɨɫɬɶɸ ɢ ɝɪɚɧɚɬɵ ɤɥɢɧɨɩɢɪɨɤɫɟɧɢɬɨɜ, ɫɨ -ɞɟɪɠɚɳɢɟ,ɜ ɨɫɧɨɜɧɨɦ,ɜɤɥɸɱɟɧɢɹDi61, ɫɯɨɞɧɨɝɨ ɩɨ ɫɨɫɬɚɜɭ ɫ ɞɢɨɩɫɢ-ɞɨɦ ɢɡ ɨɫɧɨɜɧɨɣ ɬɤɚɧɢ ɩɨɪɨɞɵ (Di63), ɱɬɨ ɩɨɞɪɚɡɭɦɟɜɚɟɬ ɜ ɤɚɱɟɫɬɜɟ ɩɪɨɬɨɥɢɬɚ ɞɥɹ ɝɪɚɧɚɬɨɜɵɯ ɭɥɶɬɪɚɦɚɮɢɬɨɜ ɤɥɢɧɨɩɢɪɨɤɫɟɧɢɬ. Ɋɟɬɪɨ-ɝɪɚɞɧɵɟ ɢɡɦɟɧɟɧɢɹ ɝɪɚɧɚɬɨɜɵɯ ɤɥɢɧɨɩɢɪɨɤɫɟɧɢɬɨɜ ɜɵɪɚɠɟɧɵ ɜ ɡɚɦɟ-ɳɟɧɢɢ ɦɨɧɨɤɥɢɧɧɨɝɨ ɩɢɪɨɤɫɟɧɚ ɷɞɟɧɢɬɨɦ (Gln6Halimond mol.18 Tscher-makite37Act39), ɯɚɪɚɤɬɟɪɢɡɭɹ ɭɫɥɨɜɢɹ ɚɦɮɢɛɨɥɢɬɨɜɨɣ ɮɚɰɢɢ [5].
Cɞɪɭɝɨɣ ɫɬɨɪɨɧɵ,ɨɫɨɛɟɧɧɨɫɬɢ ɦɢɧɟɪɚɥɶɧɨɝɨ ɢ ɯɢɦɢɱɟɫɤɨɝɨ ɫɨɫɬɚ-ɜɨɜ ɷɤɥɨɝɢɬɨɜ, ɨɬɥɢɱɚɸɳɢɯɫɹ ɨɬ ɝɪɚɧɚɬɨɜɵɯ ɤɥɢɧɨɩɢɪɨɤɫɟɧɢɬɨɜ (Grt (Alm62), Cpx (Jd35), ɩɪɟɞɫɬɚɜɥɟɧɧɵɣ ɨɦɮɚɰɢɬɨɦ, Qtz, Rt,Pl, Amph,Czo, Ep)ɩɨɡɜɨɥɢɥɢ ɫɞɟɥɚɬɶ ɜɵɜɨɞɵ ɨ ɜɨɡɦɨɠɧɨɦ ɩɪɨɬɨɥɢɬɟ ɞɥɹ ɷɤɥɨɝɢɬɨɜ,ɚ ɬɚɤɠɟ ɜɨɫɫɬɚɧɨɜɢɬɶ ɬɟɪɦɨɛɚɪɢɱɟɫɤɭɸ ɢɫɬɨɪɢɸ ɟɝɨ ɩɪɟɨɛɪɚɡɨɜɚɧɢɣ.
Ɂɚɤɨɧɨɦɟɪɧɨɟ ɪɚɫɩɪɟɞɟɥɟɧɢɟ ɦɢɧɟɪɚɥɶɧɵɯ ɜɤɥɸɱɟɧɢɣ ɜ ɩɪɟɞɟɥɚɯ ɡɟɪɟɧ Grt ɷɤɥɨɝɢɬɨɜ (Act-TrɢPlɜ ɰɟɧɬɪɟ;CzoɢAmphɜ ɩɪɨɦɟɠɭɬɨɱɧɨɣ ɡɨɧɟ;QtzɢRtɜ ɩɟɪɢɮɟɪɢɣɧɨɣ ɱɚɫɬɢ)ɩɪɢ ɫɨɩɨɫɬɚɜɥɟɧɢɢ ɫ ɨɛɳɟɣ ɯɢɦɢ-ɱɟɫɤɨɣ ɡɨɧɚɥɶɧɨɫɬɶɸ ɡɟɪɟɧ ɝɪɚɧɚɬɚ (Fe3+ – Mn ɹɞɪɨ; Fe2+ – Ca ɩɪɨɦɟ-ɠɭɬɨɱɧɚɹ ɡɨɧɚ ɢ ɦɚɝɧɟɡɢɚɥɶɧɚɹ ɩɟɪɢɮɟɪɢɹ) ɩɪɟɞɩɨɥɚɝɚɟɬ ɜ ɤɚɱɟɫɬɜɟ ɩɪɨɬɨɥɢɬɚ ɞɥɹ ɷɤɥɨɝɢɬɨɜ ɝɚɛɛɪɨɢɞɵ, ɩɪɟɨɛɪɚɡɨɜɚɧɧɵɟ ɜ ɝɪɚɧɚɬɨɜɵɟ ɚɦɮɢɛɨɥɢɬɵ,ɤɨɬɨɪɵɟ ɡɚɬɟɦ ɩɨɞɜɟɪɝɥɢɫɶ ɜɵɫɨɤɨɛɚɪɢɱɟɫɤɨɦɭ ɦɟɬɚɦɨɪ-ɮɢɡɦɭ ɜ ɭɫɥɨɜɢɹɯ ɷɤɥɨɝɢɬɨɜɨɣ ɮɚɰɢɢ [5] (ɩɪɨɜɟɞɟɧɧɵɟ ɝɟɨɬɟɪɦɨɛɚɪɨ-ɦɟɬɪɢɱɟɫɤɢɟ ɢɫɫɥɟɞɨɜɚɧɢɹ ɫ ɢɫɩɨɥɶɡɨɜɚɧɢɟɦ Grt-Cpx ɝɟɨɬɟɪɦɨɦɟɬɪɨɜ Ravna [15] ɢ Powell [14] ɢ Jd-AbɝɟɨɛɚɪɨɦɟɬɪɚGasparik [9] ɩɨɤɚɡɵɜɚɸɬ T = 810° C ɢP = 18,5 ɤɛɚɪ).Ɉɬɧɨɲɟɧɢɟ ɠɚɞɟɢɬɨɜɨɣ ɤɨɦɩɨɧɟɧɬɵ ɤ ɫɨ-ɞɟɪɠɚɧɢɸ ɦɨɥɟɤɭɥɵ ɑɟɪɦɚɤɚ ɜ Cpxɷɤɥɨɝɢɬɨɜ,ɩɪɟɜɵɲɚɸɳɟɟ 4/5, ɬɚɤ-ɠɟ ɫɜɢɞɟɬɟɥɶɫɬɜɭɟɬ ɨ ɜɵɫɨɤɨɛɚɪɢɱɟɫɤɢɯ ɭɫɥɨɜɢɹɯ,ɫɨɩɨɫɬɚɜɢɦɵɯ ɫ ɭɫ-ɥɨɜɢɹɦɢ ɷɤɥɨɝɢɬɨɜɨɣ ɮɚɰɢɢ [16].
Ɉɞɧɚɤɨ ɜ ɷɤɥɨɝɢɬɚɯ ɚɧɪɚɯɚɣɫɤɨɝɨ ɤɨɦɩɥɟɤɫɚ ɩɪɨɹɜɥɟɧɵ ɧɟ ɬɨɥɶɤɨ ɨɫɨɛɟɧɧɨɫɬɢ, ɯɚɪɚɤɬɟɪɢɡɭɸɳɢɟ ɩɪɨɝɪɟɫɫɢɜɧɭɸ ɜɟɬɜɶ ɦɟɬɚɦɨɪɮɢɡɦɚ.
ɉɪɚɤɬɢɱɟɫɤɢ ɜɫɟ ɢɡɭɱɟɧɧɵɟ ɷɤɥɨɝɢɬɵ ɧɚ 80% ɢɡɦɟɧɟɧɵ ɜ ɭɫɥɨɜɢɹɯ ɛɨ-ɥɟɟ ɧɢɡɤɢɯ ɫɬɭɩɟɧɟɣ, ɩɪɢ ɷɬɨɦ ɦɢɧɟɪɚɥɶɧɵɟ ɚɫɫɨɰɢɚɰɢɢ ɪɟɝɪɟɫɫɢɜɧɨɣ ɜɟɬɜɢ ɩɨɡɜɨɥɹɸɬ ɩɪɟɞɩɨɥɚɝɚɬɶ ɧɚɥɢɱɢɟ P–T-ɷɜɨɥɸɰɢɢ ɨɬ ɩɢɤɨɜɵɯ ɭɫ-ɥɨɜɢɣ ɷɤɥɨɝɢɬɨɜɨɣ ɮɚɰɢɢ ɤHPɢMPɝɪɚɧɭɥɢɬɚɦ ɞɨ ɭɫɥɨɜɢɣ ɚɦɮɢɛɨɥɢ -ɬɨɣ ɮɚɰɢɢ [17].
ɇɚɢɛɨɥɟɟ ɪɚɧɧɢɟ ɢɡɦɟɧɟɧɢɹ ɷɤɥɨɝɢɬɨɜ,ɩɨ ɯɢɦɢɱɟɫɤɨɦɭ ɫɨɫɬɚɜɭ ɫɨ-ɨɬɜɟɬɫɬɜɭɸɳɢɯ ɬɨɥɟɢɬɨɜɵɦ ɛɚɡɚɥɶɬɚɦ, ɩɪɢɜɨɞɹɬ ɤ ɮɨɪɦɢɪɨɜɚɧɢɸ ɤɢ-ɫɥɨɝɨ ɩɥɚɝɢɨɤɥɚɡɚ ɜ ɫɪɚɫɬɚɧɢɢ ɫCpxɩɨɫɪɟɞɫɬɜɨɦ ɞɟɤɨɦɩɪɟɫɫɢɢFe-Mg Grtɢ ɨɦɮɚɰɢɬɚ,ɦɚɪɤɢɪɭɹ ɬɟɦ ɫɚɦ ɩɟɪɟɯɨɞ ɨɬ ɷɤɥɨɝɢɬɨɜɨɣ ɮɚɰɢɢ ɤ ɭɫ-ɥɨɜɢɹɦ HP ɝɪɚɧɭɥɢɬɨɜ; ɩɟɪɟɯɨɞ ɩɪɢ ɷɬɨɦ ɦɨɠɟɬ ɛɵɬɶ ɨɩɢɫɚɧ ɫ ɩɨɦɨ-ɳɶɸ ɪɟɚɤɰɢɣ:1) Grt + Qtz => Cpx + Pl; 2) CaTs (Cpx) + Qtz => An (Pl) [11, 17]. ɂɫɯɨɞɹ ɢɡ ɷɬɨɝɨ ɭɫɬɨɣɱɢɜɚɹ ɩɚɪɚɝɟɧɟɬɢɱɟɫɤɚɹ ɚɫɫɨɰɢɚɰɢɹ ɫɢɦ-ɩɥɟɤɬɢɬɨɜ Cpx (Di60)ɢ ɤɢɫɥɨɝɨ ɩɥɚɝɢɨɤɥɚɡɚ (An10-13)ɫ Grt + Qtzɯɚɪɚɤ -ɬɟɪɢɡɭɟɬ ɭɫɥɨɜɢɹ ɝɪɚɧɭɥɢɬɨɜɨɣ ɮɚɰɢɢ [4]. ɉɨɞɬɜɟɪɠɞɚɸɬ ɩɨɞɨɛɧɵɟ ɜɵɜɨɞɵ ɢ ɝɟɨɬɟɪɦɨɛɚɪɨɦɟɬɪɢɱɟɫɤɢɟ ɢɫɫɥɟɞɨɜɚɧɢɹ ɫ ɢɫɩɨɥɶɡɨɜɚɧɢɟɦ Grt-Cpx ɝɟɨɬɟɪɦɨɦɟɬɪɚ Ravna [15] ɢ Grt-Cpx-Pl-Qtz ɝɟɨɛɚɪɨɦɟɬɪɚ Newton/Perkins [10], ɩɨɤɚɡɵɜɚɸɳɢɟ P–T ɢɧɬɟɪɜɚɥ, ɫɨɨɬɜɟɬɫɬɜɭɸɳɢɣ ɭɫɥɨɜɢɹɦ ɝɪɚɧɭɥɢɬɨɜɨɣ ɮɚɰɢɢ ɩɨɜɵɲɟɧɧɵɯ ɞɚɜɥɟɧɢɣ (P = 12.5–13 ɤɛɚɪ; T = 800° C).
ɉɨɹɜɥɟɧɢɟFe-Mg Cpx (Cen30Cfs23) ɜ ɚɫɫɨɰɢɚɰɢɢCpx-Pl + Grt + Qtz ɦɚɪɤɢɪɭɟɬ ɩɨɧɢɠɟɧɢɟ ɞɚɜɥɟɧɢɹ (ɝɟɨɛɚɪɨɦɟɬɪ Newton/Perkins [10]) ɞɨ ɭɫɥɨɜɢɣMPɝɪɚɧɭɥɢɬɨɜ (P = 9.5–10 ɤɛɚɪ);ɩɪɢ ɷɬɨɦ ɨɬɦɟɱɚɟɬɫɹ ɫɨɯɪɚ -ɧɟɧɢɟ ɬɟɦɩɟɪɚɬɭɪɵ ɨɤɨɥɨ 800° C (ɞɥɹ ɢɡɦɟɪɟɧɢɹ ɢɫɩɨɥɶɡɨɜɚɥɢɫɶ ɬɟ ɠɟ ɝɟɨɬɟɪɦɨɛɚɪɨɦɟɬɪɢɱɟɫɤɢɟ ɦɟɬɨɞɵ,ɱɬɨ ɢ ɞɥɹHPɝɪɚɧɭɥɢɬɨɜ [10, 15]). Pl
ɜ ɚɫɫɨɰɢɚɰɢɢ MPɝɪɚɧɭɥɢɬɨɜ ɹɜɥɹɟɬɫɹ ɛɨɥɟɟ ɨɫɧɨɜɧɵɦ (An14-18),ɚ ɝɪɚ-ɧɚɬ ɫɨɞɟɪɠɢɬ ɦɟɧɶɲɟ ɝɪɨɫɫɭɥɹɪɨɜɨɣ ɤɨɦɩɨɧɟɧɬɵ ɜ ɹɞɪɟ,ɱɟɦ ɝɪɚɧɚɬHP ɝɪɚɧɭɥɢɬɨɜ.Ɍɚɤɢɦ ɨɛɪɚɡɨɦ,ɩɨɧɢɠɟɧɢɟ ɞɚɜɥɟɧɢɹ ɨɬ ɭɫɥɨɜɢɣ ɷɤɥɨɝɢɬɨ-ɜɨɣ ɮɚɰɢɢ ɱɟɪɟɡ HP ɝɪɚɧɭɥɢɬɵ ɤMP ɝɪɚɧɭɥɢɬɚɦ ɩɪɢ ɩɪɢɛɥɢɡɢɬɟɥɶɧɨ ɩɨɫɬɨɹɧɧɨɣ ɬɟɦɩɟɪɚɬɭɪɟ (ɨɤɨɥɨ800 °C), ɚ ɬɚɤɠɟ ɧɚɥɢɱɢɟ ɯɚɪɚɤɬɟɪɧɵɯ ɫɬɪɭɤɬɭɪ ɪɚɫɩɚɞɚ, ɨɬɪɚɠɚɟɬ ɦɟɯɚɧɢɡɦ ɢɡɨɬɟɪɦɚɥɶɧɨɣ ɞɟɤɨɦɩɪɟɫɫɢɢ, ɨɫɭɳɟɫɬɜɢɦɵɣ ɜ ɝɟɨɥɨɝɢɱɟɫɤɢɯ ɭɫɥɨɜɢɹɯ ɫɭɛɞɭɤɰɢɨɧɧɨ-ɤɨɥɥɢɡɢɨɧɧɵɯ ɨɛɫɬɚɧɨɜɨɤ [11].
Ⱦɚɥɶɧɟɣɲɢɣ ɷɬɚɩ ɩɪɟɨɛɪɚɡɨɜɚɧɢɹMPɝɪɚɧɭɥɢɬɨɜ ɫ ɪɟɥɢɤɬɚɦɢ ɛɨɥɟɟ ɜɵɫɨɤɢɯ ɫɬɭɩɟɧɟɣ ɦɟɬɚɦɨɪɮɢɡɦɚ ɯɚɪɚɤɬɟɪɢɡɭɟɬɫɹ ɪɚɡɜɢɬɢɟɦ ɚɦɮɢɛɨɥ-ɩɥɚɝɢɨɤɥɚɡɨɜɵɯ ɫɢɦɩɥɟɤɬɢɬɨɜ (ɨɛɪɚɡɨɜɚɧɧɵɯ ɡɚ ɫɱɟɬ Fe-Mg Cpx ɜ ɩɢ-ɪɨɤɫɟɧ-ɩɥɚɝɢɨɤɥɚɡɨɜɵɯ ɫɢɦɩɥɟɤɬɢɬɚɯ)ɢ ɚɦɮɢɛɨɥ-ɩɥɚɝɢɨɤɥɚɡɨɜɵɯ ɨɩɚ-ɰɢɬɨɜɵɯ ɤɚɣɦ ɜɨɤɪɭɝ ɝɪɚɧɚɬɚ, ɮɨɪɦɢɪɨɜɚɧɢɟ ɤɨɬɨɪɵɯ ɨɩɢɫɵɜɚɟɬɫɹ ɫ ɩɨɦɨɳɶɸ ɪɟɚɤɰɢɣ:1) Grt + Cpx + Qtz + H2O => Pl + Hbl; 2) Grt1 + Pl1 + Qtz + H2O => Grt2 + Pl2 + Hbl [17].
Ɉɛɪɚɡɨɜɚɧɢɟ Amp-Pl ɫɢɦɩɥɟɤɬɢɬɨɜ ɩɪɟɞɲɟɫɬɜɭɟɬ ɮɨɪɦɢɪɨɜɚɧɢɸ ɤɨɪɨɧɵ;ɧɚ ɷɬɨ ɭɤɚɡɵɜɚɸɬ ɪɚɡɥɢɱɧɵɟ ɫɨɫɬɚɜɵ ɨɛɟɢɯ ɮɚɡ – ɢ ɩɥɚɝɢɨɤɥɚ-ɡɚ, ɢ ɚɦɮɢɛɨɥɚ, ɚ ɬɚɤɠɟ ɞɚɧɧɵɟ ɬɟɪɦɨɛɚɪɨɦɟɬɪɢɢ. Ɍɚɤ, ɚɦɮɢɛɨɥ ɢɡ ɫɢɦɩɥɟɤɬɢɬɨɜ ɩɨ ɫɨɫɬɚɜɭ ɫɨɨɬɜɟɬɫɬɜɭɟɬ ɷɞɟɧɢɬɭ (Joesmithite11 Halimond mol 29Act60),ɚ ɫɨɫɬɚɜ ɩɥɚɝɢɨɤɥɚɡɚ ɤɨɥɟɛɥɟɬɫɹ ɨɬAn20ɞɨAn26.ɂɫɩɨɥɶɡɨ -ɜɚɧɢɟGrt-AmphɝɟɨɬɟɪɦɨɦɟɬɪɚRavna [15] ɢ Grt-Amph-Pl-Qtz [8] ɝɟɨɛɚ-ɪɨɦɟɬɪɚ Kohn/Spear ɩɨɡɜɨɥɢɥɨ ɨɩɪɟɞɟɥɢɬɶ ɩɚɪɚɦɟɬɪɵ ɮɨɪɦɢɪɨɜɚɧɢɹ ɚɦɮɢɛɨɥ-ɩɥɚɝɢɨɤɥɚɡɨɜɵɯ ɫɢɦɩɥɟɤɬɢɬɨɜ, ɨɬɜɟɱɚɸɳɢɟ ɭɫɥɨɜɢɹɦ ɚɦɮɢ-ɛɨɥɢɬɨɜɨɣ ɮɚɰɢɢ (P = 8 ɤɛɚɪ; T = 650 °C).
Ⱥɦɮɢɛɨɥ,ɨɛɪɚɦɥɹɸɳɢɣ ɝɪɚɧɚɬ,ɩɪɟɞɫɬɚɜɥɟɧ ɩɚɪɝɚɫɢɬɨɦ (Joesmithi-te 4Cum9 Halimond mol 40Act47)ɢ ɮɟɪɪɨɩɚɪɝɚɫɢɬɨɦ (Gln3 Halimond mol 41 Tschermakite 56),ɚ ɩɥɚɝɢɨɤɥɚɡ,ɧɚɯɨɞɹɳɢɣɫɹ ɫ ɚɦɮɢɛɨɥɨɦ ɜ ɚɫɫɨɰɢɚɰɢɢ, ɯɚɪɚɤɬɟɪɢɡɭɟɬɫɹ ɧɚɢɛɨɥɶɲɟɣ ɨɫɧɨɜɧɨɫɬɶɸ (An30-An36).Ⱥɫɫɨɰɢɚɰɢɹ ɩɚɪ-ɝɚɫɢɬɚ ɢ ɚɧɞɟɡɢɧɚ ɫɨɜɦɟɫɬɧɨ ɫ ɤɥɢɧɨɰɨɢɡɢɬɨɦ ɢ ɷɩɢɞɨɬɨɦ ɨɬɜɟɱɚɟɬ ɷɩɢɞɨɬ-ɚɦɮɢɛɨɥɢɬɨɜɨɣ ɮɚɰɢɢ, ɱɬɨ ɫɨɝɥɚɫɭɟɬɫɹ ɢ ɫ ɪɟɡɭɥɶɬɚɬɚɦɢ ɝɟɨ-ɬɟɪɦɨɛɚɪɨɦɟɬɪɢɢ (P = 4.5 ɤɛɚɪ; T = 540 °C;ɞɥɹ ɢɡɦɟɪɟɧɢɹ ɢɫɩɨɥɶɡɨɜɚ-ɥɢɫɶ ɬɟ ɠɟ ɝɟɨɬɟɪɦɨɛɚɪɨɦɟɬɪɢɱɟɫɤɢɟ ɦɟɬɨɞɵ, ɱɬɨ ɢ ɞɥɹ Amp-Pl ɫɢɦ-ɩɥɟɤɬɢɬɨɜ [8, 15]).
Ɏɨɪɦɢɪɨɜɚɧɢɟ ɚɦɮɢɛɨɥ-ɩɥɚɝɢɨɤɥɚɡɨɜɵɯ ɩɚɪɚɝɟɧɟɡɢɫɨɜ ɫɜɹɡɚɧɨ ɫ ɩɨɧɢɠɟɧɢɟɦ ɬɟɦɩɟɪɚɬɭɪɵ ɢ ɞɚɜɥɟɧɢɹ,ɬɨ ɟɫɬɶ ɫ ɩɨɫɬɟɩɟɧɧɵɦ ɨɯɥɚɠɞɟ-ɧɢɟɦ,ɫɥɟɞɭɸɳɢɦ ɡɚ ɢɡɨɬɟɪɦɚɥɶɧɨɣ ɞɟɤɨɦɩɪɟɫɫɢɟɣ.
ȼɫɟ ɪɚɫɫɦɨɬɪɟɧɧɵɟ ɜɵɲɟ ɨɫɨɛɟɧɧɨɫɬɢ ɩɨɪɨɞ ɯɚɪɚɤɬɟɪɢɡɭɸɬ ɜɩɨɥɧɟ ɨɩɪɟɞɟɥɟɧɧɵɣ ɬɟɤɬɨɧɢɱɟɫɤɢɣ ɫɰɟɧɚɪɢɣ,ɫɜɹɡɚɧɧɵɣ,ɜɟɪɨɹɬɧɨ,ɫ ɫɭɛɞɭɤ -ɰɢɟɣ ɧɢɠɧɟɣ ɱɚɫɬɢ ɤɨɧɬɢɧɟɧɬɚɥɶɧɨɣ ɤɨɪɵ ɢɥɢ ɜɟɪɯɧɟɣ ɦɚɧɬɢɢ ɜ ɩɨɥɟ P–T, ɨɬɜɟɱɚɸɳɢɯ ɭɫɥɨɜɢɹɦ ɷɤɥɨɝɢɬɨɜɨɣ ɮɚɰɢɢ, ɢɫɩɵɬɵɜɚɹ ɩɪɢ ɷɬɨɦ
ɱɚɫɬɢɱɧɨɟ ɩɥɚɜɥɟɧɢɟ; ɢɫɯɨɞɹ ɢɡ ɷɬɨɝɨ ɜɵɫɨɤɨɛɚɪɢɱɟɫɤɨɦɭ ɦɟɬɚɦɨɪ-ɮɢɡɦɭ ɩɨɞɜɟɪɝɥɢɫɶ ɜɟɪɨɹɬɧɟɟ ɜɫɟɝɨ ɞɢɮɮɟɪɟɧɰɢɚɬɵ ɩɨɪɨɞ, ɫɨɫɬɚɜɥɹɸ-ɳɢɯ ɧɢɠɧɸɸ ɱɚɫɬɶ ɤɨɪɵ (ɚ ɢɦɟɧɧɨ ɝɪɚɧɭɥɢɬɵ ɨɫɧɨɜɧɨɝɨ ɢ, ɪɟɠɟ, ɤɢ-ɫɥɨɝɨ ɫɨɫɬɚɜɚ,ɝɚɛɛɪɨɢɞɵ,ɩɢɪɨɤɫɟɧɢɬɵ),ɞɥɹ ɤɨɬɨɪɵɯ ɡɚɱɚɫɬɭɸ ɬɢɩɢɱɧɨ ɱɟɪɟɞɨɜɚɧɢɟ ɦɟɠɞɭ ɫɨɛɨɣ (ɧɚ ɢɧɬɪɭɡɢɜɧɭɸ ɩɪɢɪɨɞɭ ɩɪɨɬɨɥɢɬɚ ɞɥɹ ɷɤɥɨ-ɝɢɬɨɜ ɢ ɝɪɚɧɚɬɨɜɵɯ ɤɥɢɧɨɩɢɪɨɤɫɟɧɢɬɨɜ ɭɤɚɡɵɜɚɟɬ ɧɚɥɢɱɢɟ ɜ ɧɢɯ ɤɪɭɩ-ɧɵɯ ɫɤɨɩɥɟɧɢɣ ɚɩɚɬɢɬɚ ɢ ɪɭɬɢɥɚ – ɯɚɪɚɤɬɟɪɤɪɭɩ-ɧɵɯ ɚɤɰɟɫɫɨɪɤɪɭɩ-ɧɵɯ ɦɢɧɟɪɚɥɨɜ ɢɧɬɪɭɡɢɜɧɵɯ ɦɚɝɦɚɬɢɱɟɫɤɢɯ ɩɨɪɨɞ).ɉɪɢɫɭɬɫɬɜɢɟ ɫɪɟɞɢ ɩɨɪɨɞ ɚɧɪɚɯɚɣ-ɫɤɨɝɨ ɤɨɦɩɥɟɤɫɚ ɦɟɬɚɦɨɪɮɢɡɨɜɚɧɧɵɯ ɫɟɪɩɟɧɬɢɧɢɬɨɜ ɢ ɬɚɥɶɤɢɬɨɜ ɩɨɞ-ɪɚɡɭɦɟɜɚɟɬ ɢɯ ɫɜɹɡɶ ɫ ɷɤɥɨɝɢɬɚɦɢ ɢ ɝɪɚɧɚɬɨɜɵɦɢ ɤɥɢɧɨɩɢɪɨɤɫɟɧɢɬɚɦɢ ɢ ɩɨɡɜɨɥɹɟɬ ɨɬɧɟɫɬɢ ɢɯ ɤ ɦɟɬɚɦɨɪɮɢɡɨɜɚɧɧɵɦ ɤɨɪɨɜɵɦ ɤɭɦɭɥɚɬɚɦ.
Ɇɟɯɚɧɢɡɦ ɷɤɫɝɭɦɚɰɢɢ ɷɤɥɨɝɢɬɨɜ ɢ ɱɟɪɟɞɭɸɳɢɯɫɹ ɫ ɧɢɦɢ ɝɪɚɧɚɬɨ-ɜɵɯ ɤɥɢɧɨɩɢɪɨɤɫɟɧɢɬɨɜ ɬɪɟɛɭɟɬ ɜɚɠɧɨɝɨ ɭɫɥɨɜɢɹ, ɧɟɨɛɯɨɞɢɦɨɝɨ ɞɥɹ ɨɫɭɳɟɫɬɜɥɟɧɢɹ ɩɪɨɹɜɥɟɧɧɨɣ ɜ ɩɨɪɨɞɚɯ ɢɡɨɬɟɪɦɚɥɶɧɨɣ ɞɟɤɨɦɩɪɟɫɫɢɢ – ɩɨɞɴɟɦ ɦɟɬɚɦɨɪɮɢɡɨɜɚɧɧɵɯ ɜ ɜɵɫɨɤɨɛɚɪɢɱɟɫɤɢɯ ɭɫɥɨɜɢɹɯ ɩɨɪɨɞ ɞɨɥ-ɠɟɧ ɛɵɥ ɩɪɨɢɫɯɨɞɢɬɶ ɞɨɫɬɚɬɨɱɧɨ ɦɟɞɥɟɧɧɨ ɞɥɹ ɬɨɝɨ,ɱɬɨɛɵ ɩɪɟɨɞɨɥɟɬɶ ɜɥɢɹɧɢɟ ɬɟɪɦɚɥɶɧɨɣ ɪɟɥɚɤɫɚɰɢɢ;ɬɟɦ ɫɚɦɵɦ ɩɨɪɨɞɵ ɦɨɝɥɢ ɛɵ ɩɪɨɞɨɥ-ɠɚɬɶ ɧɚɝɪɟɜɚɬɶɫɹ ɜ ɬɟɱɟɧɢɟ ɞɟɤɨɦɩɪɟɫɫɢɢ (ɬɨ ɟɫɬɶ ɷɤɫɝɭɦɚɰɢɢ) [11, 12].
ɉɨɞɨɛɧɵɣ ɫɰɟɧɚɪɢɣ ɧɟ ɩɪɨɬɢɜɨɪɟɱɢɬ ɩɪɨɜɟɞɟɧɧɵɦ ɪɚɧɟɟ ɜ ɩɪɟɞɟɥɚɯ ɚɧɪɚɯɚɣɫɤɨɝɨ ɤɨɦɩɥɟɤɫɚ ɢɫɫɥɟɞɨɜɚɧɢɹɦ,ɩɪɟɞɩɨɥɚɝɚɸɳɢɦ ɫɭɛɞɭɤɰɢɨɧ -ɧɨ-ɤɨɥɥɢɡɢɨɧɧɵɟ ɨɛɫɬɚɧɨɜɤɢ ɞɥɹ ɟɝɨ ɨɛɪɚɡɨɜɚɧɢɹ.
ɂɫɫɥɟɞɨɜɚɧɢɹ ɜɵɩɨɥɧɟɧɵ ɩɪɢ ɮɢɧɚɧɫɨɜɨɣ ɩɨɞɞɟɪɠɤɟ ɝɪɚɧɬɨɜ ɊɎɎɂ ʋ12-05-33069 ɦɨɥ-ɚ-ɜɟɞ,ʋ 12-05-31108-ɦɨɥ-ɚ
Ʌɢɬɟɪɚɬɭɪɚ
1.Ⱥɛɞɭɥɢɧ Ⱥ.Ⱥ., ȼɨɥɤɨɜ ȼ.Ɇ., ɓɟɪɛɚ Ƚ.ɇ. ɢ ɞɪ. ɑɭ-ɂɥɢɣɫɤɢɣ ɪɭɞɧɵɣ ɩɨɹɫ //
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