. Vernon, 1994; Barker, 1990;

.(Passchier and Trouw, 1996; Best, 2003; Timms, 2003 .

asarkhoshi@gmail.com *47

3 2 (* 1)

.1 .2

.3

( ) - . . - - . . . . ( ) D1 . M1 . D2 M2 . D3 . M2

.

. :

91/5/3 : 92/10/11 :

57-47 1393

...

48

.(Spry, 1969; Barker, 1990) .(Bell and Johnson, 1989) (Bucher and Grapes, 2011). .(Yardley, 1989) . ' . . . P-T- P-T-t . - D Marshak) .(and Mitra, 1998 . .(Yardley, 1989)

. -

. -

. -

. -

.

.

.

– 100000:1 19º47'14" 22º47'44" 37º36'54" 37º36'03" Ber-) .(1 )

.(berian and King, 1982 Hajialioghli et). (al., 2007; Moazzen et al., 2009 . .(1 ) . (2007) Hajalioghli MgO . . .

.

.(2 a ) .(2 b ) . . ( ) .

49

.( 1 : 100000 ) .1

. (Grt) (b .( ) (a .2

...

50

. 1 .

.

. . . . .(3 a ) .(3 b )

.

. . . . .

. . .(3 c ) .(3 d ) .(3 e ) .(3 f ) S2 S1 .

.(3 g )

. . . C .(3 h )

:

[1] Chl+Bt+Ms+Qtz[2] Chl+Bt+Qtz[3] Bt+Ms+Qtz[4] Chl+Bt+Ms+Qtz+Grt[5] Bt+Ms+Qtz +Grt[6] Chl+Ms+Qtz

Sample No GR Chl Bt Ms Qtz Fs Grt Cal Amp Pl Ep Zrc Ore Ap

AS-6A N36°38'41" E47°22'06" * * * * 0 0

AS-10 N36º39 22" E47º19 37" * * * * 0

AS-7 N36°38'51" E47°21'46 * * * 0 0 0 0 0

AS-11D N36°39'36" E47°19'09" * * * * *

As-11E N36°39'36" E47°19'09" * * * * * * 0

AS-11C N36°39'36" E47°19'09" * * * * *

AS-11B N36°39'36" E47°19'09" * * * * * * 0 0

AS-15 N36°37'29" E47°21'27" * * * * 0 0 0 0

* = Major phase 0=Minor phase

.(Kretz (1983) ) . .1

51

(D1) D2 . S1 D2 . . S1

. . . .(4 a ) S1 . S1

.(3 f ) S2 .(4 b )

.(3 f )

(M1) M1 (D1)

.

(D2) S2 .

(b . (a .3 . (c .

S1 (f . (e . (d (h (g .

.

...

52

. . S2 . . . S1 .(c4 ) S2 1

S1 .(3 f )

(M2) D2 . M1 (1390 ) . M2

.

(D3) ( ) . . S2 S3 D2 D3 . F3

. (F1) (F1) . (D1) . S0 F1

. (F2) .(4 d ) .(4 e, f ) (D2) . S1 S0 F2

S2 .

.(4 e, f ) . (D3)

.(4 g ) S2

P-T-

t . . D3 D1 D2 M2 M1

5 . . D1 D2 . D2 . D3 . D2

.

. :

1. Microlithon

53

(c . (b . S2 S1 (a .4 (Bt-S2) . S1 (Bt-S1) (e . (F1) (d . S2 (F2, F3) (f . (F2, F3) (F3) (g .

.

. .5

...

54

. . D2

.(6 a ) : M1 .

.(3 g ) : . .

. : . . . . - ( )

.(6 b ) : . - . 1 .

.(6 c )

: 2 .

.(6 d ) 3 3 .(Tullis, 1980) . .(Drury and Urai, 1990 ) . . Pass-)

.(6 e ) (chier and Trouw, 1996 : . S1 . .(3 g ) . D2 . S2

) : . ( D1 S2 4 5 . .(4 c ) S1

.(6 f ) S2

- - (1390 )

. -

1. Stretching lineation2. Serrated3. Bulging4. Microlithon5. Cleavage domain

55

(b . (a -6 (d . (c .

(f . (e . (Bt-S2) . S1 (Bt-S1)

. S2

1

. 7

. 7 7 450 801

.( A - B - ) .7

1. Multiple-equilibria calculations2. Exhumation

...

56

. 9 . (B ) (A )

.

A:A1: Prp + Ms + 2Ann + 6Qtz = 2Alm + 3Cel A2: Grt + 3Eas + 12Qtz = Prp + 3An + 3Cel A3: Grt + 2Ms + Phl + 6Qtz = 3An + 3Cel B:B1: Grt + 3Eas + 12Q = Prp + 3An + 3Cel B2: Prp + 2Grt + 3Ms + 6Qtz = 6An + 3Cel B3: 2Eas + 6Qtz = Prp + Ms + Cel

. . . . . .(1390 ) 560 ) 7 . 2 ) ( 351 ( 2 . .

.

3 . . . . . D3 D1 D2 3 M1 D2 D1 D3 M2 D1 D2 . M1 S1 . . D1 . D2 . S2 M2 . .

.

.

.1390 . . -

. .1390 . -

.

- Barker, A.J., 1990. Introduction to Metamorphic Tex-tures and Microstructures. Glasgow, Blackie. 280.

- Bell, T.H. and Johnson, S.E., 1989. Porphyroblast in-clusion trails: the key to orogenesis. Journal of Metamor-phic Geology, 3, 109-118.

- Berberian, M., and King, G.C.P., 1982. Towards a paleogeography and tectonic evolution of Iran. Canadian

57

Journal of Earth Sciences, 18, 210 – 265.- Best, M. G., 2003. Igneous and Metamorphic Petrol-

ogy. Australia: Blackwell. 335.- Bucher, K. and Grapes, R., 2011. Petrogenesis of Met-

amorphic Rocks. Springer-Verlag. 441.- Drury, M.R. and Urai, J.L., 1990. Deformation-related

recrystallisation processes. Tectonophysics, 172, 235–253.- Hajialioghli, R., Moazzen, M., Droop, G.T.R., Ober-

hansli, R., Bousquet, R., Jahangiri, R., and Ziemann, M., 2007. Serpentine polymorphs and P-T evolution of meta-peridotites and serpentinites in the Takab area, NW Iran. Mineralogical Magazine, 71,2, 203-222.

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- Moazzen, M., Oberhansli, R., Hajialioghli, R., Moller, A., Bousquet, R., Droop. G.T.R., Jahangiri, A., 2009. Peak and post-peak P-T conditions and uid composition for

scapolite-clinopyroxene-garnet calc-silicates from the Takab area, NW Iran. European Journal of Mineralogy, 21, 149-162.

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- Spry, A., 1969. Metamorphic Textures. Oxford, Per-gamon.

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- Tullis, T.E., 1980. The use of mechanical twinning in minerals as a measure of shear stress magnitudes. Journal of Geophysical Research, 85, 6263-6268.

- Vernon R.H., 1994. A practical guide to rock micro-structure. Cambridge University Press, 650.

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