Subscribe Now Subscribe Today
Research Article
 

Classification of Granitoids from the Golpayegan Area on the Basis of the Tectonic Setting



M. Sharifi , M. Noghreyan , H. Safaei , I. Noorbehsht and J. Ahmadian
 
Facebook Twitter Digg Reddit Linkedin StumbleUpon E-mail
ABSTRACT

Granitoid masses of the Golpayegan area from structural zones classification are considered within the Sanandaj-Sirjan zone. According to tectonic settings of granitoids various patterns are used for tectonic discrimination of granitoids. Based on geological, lithological and petrological evidences and also major and trace elements chemistry, various discrimination plots are applied. Based on Shan`s index, most studied samples plot within the field of Continental Collision Granitoids (CCG) field. By utilizing the multication diagram of R1-R2, the granitoids samples from north of the Varzaneh and the Saeid-Abad often fall into the syn-collision field and few fall into the late orogenic field. Considering geochemical patterns and trace element-SiO2 plot, these granitoids are mostly syn-collisional granites (syn-COLG) and volcanic Arc Granites (VAG). The relationship between the evolution of the Neo-Tethys and the magmatic events include geochemical studies, fabric elements and radiometric dating of the mylonitic granites in the Golpayegan area will be guide in the studied area. The main objective of this study is to evaluate the tectonic setting of granitoids from north of the Golpayegan, which can help to determine the geodynamic environment of the area and ultimately the Sanandaj-Sirjan Zone. The results indicate that granitoids of the Golpayegan are mostly CCG or syn-COLG types that were formed at the end of orogenic events synchronous with the end of deformations and collision of the Arabian plate with the Iranian plate at the Paleocene.

Services
Related Articles in ASCI
Similar Articles in this Journal
Search in Google Scholar
View Citation
Report Citation

 
  How to cite this article:

M. Sharifi , M. Noghreyan , H. Safaei , I. Noorbehsht and J. Ahmadian , 2007. Classification of Granitoids from the Golpayegan Area on the Basis of the Tectonic Setting. Journal of Applied Sciences, 7: 3420-3430.

DOI: 10.3923/jas.2007.3420.3430

URL: https://scialert.net/abstract/?doi=jas.2007.3420.3430

REFERENCES
1:  Alavi, M., 1994. Tectonics of the Zagros Orogenic belt of Iran: New data and interpretations. Tectonophysics, 229: 211-238.
CrossRef  |  Direct Link  |  

2:  Barker, A.J., 1990. Introduction to Metamorphic Textures and Microstructures. Blackie Academic and Professional, New York, pp: 162.

3:  Batchelor, R.A. and P. Bowden, 1985. Petrogenetic interpretation of granitoid rock series using multicationic parameters. Ehem. Ged., 48: 43-55.

4:  Berberian, M. and G.C.P. King, 1981. Towards a paleogeography and tectonic evolution of Iran. Can. J. Earth Sci., 18: 210-265.
CrossRef  |  Direct Link  |  

5:  Chappell, B.W. and A.J.R. White, 1974. Two contrasting granite types. Paciffic Geol., 8: 173-174.

6:  Ghasemi, A. and C.J. Talbot, 2006. A new tectonic scenario for the Sanandaj-Sirjan Zone (Iran). J. Asian Earth Sci., 26: 683-693.
Direct Link  |  

7:  Maniar, P.D. and P.M. Piccoli, 1989. Tectonic discrimination of granitoids. Geol. Soc. Mer. Bull., 101: 635-643.
CrossRef  |  

8:  Mohajjel, M. and C.L. Fergusson, 2000. Dextral transpression in late cretaceous continental collision, Sanandaj-Sirjan Zone, Western Iran. J. Struct. Geol., 22: 1125-1139.
CrossRef  |  Direct Link  |  

9:  Mohajjel, M., C.L. Fergusson and M.R. Sahandi, 2003. Cretaceous-Tertiary convergence and continental collision, Sanandaj-Sirjan Zone, Western Iran. J. Asian Earth Sci., 21: 397-412.
CrossRef  |  Direct Link  |  

10:  Moritz, R., F. Ghazban and B.S. Singer, 2006. Eocene gold ore formation at Muteh, Sanandaj-Sirjan tectonic zone, Western Iran: A result of late-stage extension and exhumation of metamorphic basement rocks within the Zagros Orogen. Econ. Geol., 101: 1497-1524.
Direct Link  |  

11:  Navabpour, P., J. Angelier and E. Barrier, 2007. Cenozoic post-collisional brittle history and stress recorientation in the High Zagros Belt (Iran, fars province). Tectonophysics, 423: 101-131.
Direct Link  |  

12:  Pearce, J.A., N.B.W. Harris and A.G. Tindle, 1984. Trace element discrimination diagrams for the tectonic interpretation of granitic rocks. J. Petrol., 25: 956-983.
CrossRef  |  Direct Link  |  

13:  Rachidnejad-Omran, N., 2002. Petrology and geochemistry of meta volcano-sedimentary and plutonic rocks of Muteh area with special respect to genesis of gold mineralization, South Delijan, SSW of Tehran, Iran. Ph.D Thesis. University of Tarbiat, Modares, pp: 420.

14:  Ricou, L.E., 1994. Tethys reconstructed: Plates, continental fragments and their boundaries since 260 Ma from Central America to Southeastern Asia. Geodyn. Acta., 7: 169-218.

15:  Saba, A.A., 2000. Structural analysis of syntectonic intrusive in Northeast of Golpayegan area, Iran. Ph.D Thesis. University of Tarbiat, Modarres.

16:  Stampfli, G. and G.D. Borel, 2002. A plate tectonic model for the Palaeozoic and Mesozoic constrained by dynamic plate boundaries and restored synthetic oceanic isochrones. Earth Plant Sci. Lett., 196: 17-33.
Direct Link  |  

17:  Streckeisen, A.L., 1976. To each plutonic rock its proper name. Earth Sci. Rev., 12: 1-33.

18:  Sun, S.S. and W.F. McDonough, 1989. Chemical and Isotopic Systematic of Oceanic Basalts: Iimplications for Mantle Composition and Processes. In: Magmatism in Ocean Basins, Saunders, A.D. and M.J. Norry (Eds.). Geological Society, London, pp: 313-345.

19:  Taylor, S.R. and S.M. McLennan, 1981. The composition and evolution of the continental crust: Rare earth element evidence from sedimentary rock. Phil. Trans. R. Soc., 301: 381-399.

20:  Taylor, S.R. and S.M. McLennan, 1985. The Continental Crust: Its Composition and Evolution. Blackwell, Oxford, UK., ISBN-13: 978-0632011483, Pages: 312.

21:  Weaver, B. and J. Tarney, 1984. Empirical approach to estimating the composition of the continental crust. Nature, 310: 575-577.

22:  Wood, D.A., J. Tarney, J. Varet, A.D. Saunders and H. Bougault et al., 1979. Geochemistry of basalts drilled in the North Atlantic by IPOD Leg49: Implications for mantle heterogeneity. Earth Plant Sci. Lett., 42: 77-97.

©  2021 Science Alert. All Rights Reserved