5 هرامش ،91 زیياپ هتفرشیپ یدربراک یسانش نیمز...

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5شماره ،91 پايیز ه زمین شناسی کاربردی پیشرفتهمجل

بابك ساماني دانشكده علوم زمین دانشگاه شهیدچمران اهواز

علي فقيه بخش علوم زمین دانشگاه شیراز

عباس چرچي دانشگاه شهیدچمران اهواز دانشكده علوم زمین

19/9/91تاريخ پذيرش: 17/7/90: تاريخ دريافت[email protected]

چكيده

Rf/Ø(Rs=5.4)XZ

XYYZ

(K)(Wk)

>> >>

XZ

. :کلمات کليدي

مقدمه

.(Meere and

Mulchrone, 2003)

(Ramsay and Huber,

1983)

Rf/Ø

(Treagus and Treagus, 2002).

(Alavi, 1994, 2004)

20

2


(Berberian and King 1981, McClay et al.,

2004)

(Mohajjel and Fergussen, 2000,

Mc Quarie, 2004)

(Sarkarinejad et al., 2008, 2010)

(Samani, 2011)

(Berberian

and King 1981, Eshraghi et al., 1999)

(Sheikholeslami, 2008)

(Sarkarinejad et al., 2010).

(RXZ, RXY and RYZ)

XZXYYZ

XZXY

YZ

21

3


Ф

X

.(Ramsay and Wood,

1973). Sarkarinejad and Azizi, 2008;

Sarkarinejad et al.,2010

(K≈0.85)

(Rs)

(De Paor, 1988)

(De

Paor, 1988)(Rf)

Φ

(Rs)

RsXZXYYZ

(H)

(K)

(Rs) XZ

(H)

عدد تاوايي جنبش شناختي

Means et al., 1980

(Wk)

(Truesdell, 1953; Means et al.,

1980)

XZ

Y

(Fabric attractor)

Wk=0

Wk=1

22

4


Fort and Bailey, 2007

.

(FA)

(Xypolias, 2010)

(Rc)

(Wallis et al., 1993).(Simpson and De

Paor, 1997)

(Forward rotate)(Backward

rotate)C

XZ(Wallis, 1995)

(Rs)

(θ)(Bailey et al., 1999)

(Rc)

C1C7

(Rs)

.

.

XZ

(Passchier and Trouw, 2005) (Rc

2+1) Wk=(Rc2-1) /

(0.43<Wk<0.63)

(Lin et al., 1998) .

23

5


(Line et al., 1998)

.

(Samani, 2011).

Wallis et al., 1992

XZ

(Balanced cross section)

(Ramsay

and Huber, 1983) .

.

(Law et al., 2004)

.

(0.6<K<0.9)

24

6


منابع

Alavi, M., 1994. Tectonics of the Zagros orogenic belt of Iran: new data and interpretations. Tectonophysics 229,

211-238.

Alavi, M., 2004. Regional stratigraphy of the Zagros fold-thrust belt of Iran, and its proforeland evolution.

American Journal of Science 304, 1–20.

Bailey, C.M., Gilmer, A.K., Marquis, M.N., 1999. A tale of two shear zones: the vorticity and strain path of two

greenschist facies shear zones. Geological Society of America Abstracts with Programs 31 (7), 59.

Berberian, M., King, G.C.P., 1981. Towards a paleogeography and tectonic evolution of Iran. Canadian Journal of

Earth Sciences 18, 210–265.

De Paor, D.G., 1988. R f / strain analysis using an orientation net. Journal of Structural Geology 10, 323–333.

Dewey, J.F., Pitman, W.C. III, Ryan, W.B.F., Bonnin, J., 1973. Plate tectonics and the evolution of the Alpine

System. Geological Society of America Bulletin 84, 3137–3180.

Eshraghi, S.A., Roshan Ravan, J., Sabzehei, M., 1999. Geological map of the Quatruyeh area, scale 1:100,000.

Geological Survey of Iran.

Fort, A.M., Bailey, C.M., 2007. Testing the utility of the porphyroclast hyperbolic distribution method of kinematic

vorticity analysis. Journal of Structural Geology 29, 983–1001.

Law, R.D., Searle, M.P., Simpson, R.L., 2004. Strain, deformation temperatures and vorticity of flow at the top of

the Greater Himalayan Slab, Everest Massif, Tibet. Journal of the Geological Society, London 161, pp.

305–320.

Lin, S., Jiang, D., Williams, P.F., 1998. Transpression (or transtension) zones of triclinic symmetry: natural

example and theoretical modelling. In: Holdsworth, R.E., Strachan, R.A., Dewey, J.F. (Eds.), Continental

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McClay, K.R., Whitehouse, P.S., Dooley, M and Richards, M., 2004. 3D evolution of fold and thrust belts formed

by oblique convergence. Marine and Petroleum Geology 21, 857-877.

Mc Quarrie, N., 2004. Crustal scale geometry of the Zagros fold–thrust belt, Iran. Journal of Structural Geology 26,

519–535.

Means, W.D., Hobbs, B.E., Lister, G.S., Williams, P.F., 1980. Vorticity and noncoaxiality in progressive

deformations. Journal of Structural Geology 2, 371–378.

Meere, P.A., Mulchrone, K.F., 2003. The effect of sample size on geological strain estimation from passively

deformed clastic sedimentary rocks. Journal of Structural Geology 25, 1587-1595.

Mohajjel, M., Fergusson, C.L., 2000. Dextral transpression in Late Cretaceous continental collision, Sanandaj–

Sirjan Zone, western Iran. Journal of Structural Geology, 22, 1125-139.

Passchier, C. W., Trouw, R. A. J., 2005. Microtectonics. Springer-Verlag, Berlin. 336p.

Ramsay, J.G., Huber, M.I., 1983. The Techniques of Modern Structural Geology, Volume 1. Strain Analysis.

Academic Press, London.

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Tectonophysics 16, 263-277.

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Iran. Ph.D thesis, Shiraz University, Iran.

Sarkarinejad, K., 1999. Tectonic finite strain analysis using Ghuri deformed conglomerate, Neyriz area

Southwestern Iran. Iranian Journal of Science and Technology 23, 351–363.

Sarkarinejad, K., Azizi, A., 2008. Slip partitioning and inclined dextral transpression along the Zagros Thrust

System, Iran. Journal of Structural Geology 30, 116–136.

Sarkarinejad, K., Faghih, A., Grasemann, B., 2008. Transpressional deformations within the Sanandaj-Sirjan

Metamorphic Belt (Zagros Mountains, Iran). Journal of Structural Geology 30, 818–826.

Sarkarinejad, K., Samani, B., Faghih, A., Grasemann, B., Moradipoor, M., 2010. Implications of strain and

vorticity of flow analyses to interpret the kinematics of an oblique convergence event (Zagros Mountains,

Iran). Journal of Asian Earth Sciences 38, 34–43.

Sheikholeslami, M.R., Pique, A., Mobayen, P., Sabzehei, M., Bellon, H., Hashem Emami, M., 2008. Tectono-

metamorphic evolution of the Neyriz metamorphic complex, Quri-Kor-e-Sefid area (Sanandaj-Sirjan Zone,

SW Iran). Journal of Asian Earth Sciences 31, 504–521.

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Simpson, C., De Paor, D. G. 1997. Practical analysis of general shear zones using porphyroclast hyperbolic

distribution method: an example from the Scandinavian Caledonides. In: SENGUPTA, S. (ed) Evolution of

Geological Structures in Micro- to Macro-scales. Chapman and Hall, London, 169–184.

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Bulletin 52, 1229-1258.

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24, 1541-1567.

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of Structural Geology 17, 1077–1093.

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5 هرامش ،91 زیياپ هتفرشیپ یدربراک یسانش نیمز...

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