Abstract

Base on geological history evaluation using regional stratigraphy, sedimentary environments, magmatic activities, metamorphism and structural trend in Iran, physiographic-tectonic zoning map of Iran’s sedimentary basins has prepared. This map has prepared to point out the basement tectonics role in Iran. It contains twenty-four different provinces. Iran has composed from different plates: Arabian plate in south and west, Cimmerian manipulated in north and east, Eurasian plate in northeast margin. Cimmerian manipulated at least can be divided to the smaller part, East-Central Iran and North-Central Iran microcontinents. There are evidences for thick-skinned tectonics in the border zones of these plates and microcontinents, especially in Sanandaj-Sirjan overthrust belts that it formed by crustal stacking wedges. Also, Neoproterozoic-Phanerozoic Tectonic column in the Arabian, Cimmerian and Eurasian plates under Iran Country area have introduced.

Highlights

  • The organization and development of the physiographictectonic provinces of Iran involves specifying the current structural geomorphology and tectonic history of Iran’s sedimentary basins that might have clear effect in the regions

  • Iran has composed from different plates: Arabian plate in south and west, Cimmerian manipulated in north and east, Eurasian plate in northeast margin

  • The main steps in this study have summarized as follows: 1) Geological data such as regional stratigraphy, sedimentary environments, magmatic activities, metamorphism, tectonic stages and deformational styles that provided much information on the tectonic history have gathered from different references; 2) Physiographic-tectonic zoning map of Iran’s sedimentary basins based on sedimentary basins position has identified

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Summary

Introduction

The organization and development of the physiographictectonic provinces of Iran involves specifying the current structural geomorphology and tectonic history of Iran’s sedimentary basins that might have clear effect in the regions. The main steps in this study have summarized as follows: 1) Geological data such as regional stratigraphy, sedimentary environments, magmatic activities, metamorphism, tectonic stages and deformational styles that provided much information on the tectonic history have gathered from different references; 2) Physiographic-tectonic zoning map of Iran’s sedimentary basins based on sedimentary basins position has identified These basins described by some researchers [2,3,4]; 3) Structural units have limited for each individual physiographic-tectonic province based on different works such as [5,6,7,8]; 4) Tectonic units have limited for each individual identified plate and microcontinents (Figure 1) based on [9,10]

Structural Zoning of Iran
Zagros-East Taurus Hinterland
Persian Gulf-Mesopotamian Foreland Basin
Makran Accretionary Prism
Bashagard Mountains
Jazmorian-Mashkel fore Arc Basin
Shahsavaran-Soltan Magmatic Arc
South Lut-Helmand Back Arc Basin
East Iran Mountain Belt
West-Central Alborz and Lesser Caucasus Hinterland
3.10. Great Kavir-Northern Urmieh Lake Foreland Basin
3.11. South Great Kavir Fold and Thrust Belt
3.12. South Caspian-Black Sea Foreland Basin
3.13. Urmieh-Dokhtar Magmatic Arc
3.14. Naien-Kerman Retro Arc Foreland Basin
3.15. Sanandaj-Sirjan Overthrust Belts
3.18. Kopet Dagh Hinterland
3.19. South Caspian Remnant Basin
3.20. Maiamay-Taibad Inverted Back Arc Basin
3.21. Khaf-Kavir Plain Magmatic Arc
3.22. Lut Plain-Gonabad Back Arc Basin
3.23. Tabas Hinterland
3.24. Yazd-Khour Piggy Back Basin
Arabian Plate
Cimmerian Miniplate
Eurasian Plate
Discussion
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