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Jami, Mohsen
- Study on Gourband Fault Activity on the Basis of Neotectonic Evidences (northeast of Torbat-e-Jam)
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PDF Views:111
Authors
Affiliations
1 Department of Geology, Science and Research Branch, Islamic Azad University, Hesarak, Tehran, IR
2 Department of geology, University of Birjand, Iran, PO Box: 56, Birjand, IR
3 Department of geology, University of Sistan & Balochestan, IR
1 Department of Geology, Science and Research Branch, Islamic Azad University, Hesarak, Tehran, IR
2 Department of geology, University of Birjand, Iran, PO Box: 56, Birjand, IR
3 Department of geology, University of Sistan & Balochestan, IR
Source
Indian Journal of Science and Technology, Vol 5, No 11 (2012), Pagination: 3642-3646Abstract
Gourband is the largest fault in the Alluvial Sediments of Torbt-e-Jam Plain. This fault is extended from northwest to southeast. Regarding its adjacency to the town and various villages, it is important to study Geotectonic activity. It is found that there are various geomorphologic abnormities along Gourband Fault. In this research, the effect of current movements of this fault on the structural Geomorphology of this zone has been studied. Fault scarps redirecting rivers and channels, folds of quaternary deposits and discoloration of sediments in the fault fields are important geomorphologic indicators that found in the desert site and in association with movement on Gourband Fault. The dip of fault is 50-60 degrees. The reverse component causes uplifting that forms maintains and it controls the current topography of the areas. Also, direct of waterways indicates direct of moving strike- slip of fault. Regarding dextral displacement of these waterways, it is found dextral strike-slip movement in the fault. Elevation of Neogene's Sediments of the fault surface indicates uplifting and reverse component in the fault.Keywords
Fault Scarps Torbat-e-Jam, Geomorphology, IranFull Text
References
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- Jami M. (2011). Risk analysis of earthquake faulting in The expanse of plains Torbat e jam, geology master’s thesis.University of Sistan and Baluchestan.
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- The Evaluation of Saravan Fault Activities in Iran on the Basis of Geomorphologic Evidences
Abstract Views :499 |
PDF Views:170
Authors
Affiliations
1 Science and Research Branch, Islamic Azad University, Department of Geology, Tehran, IR
1 Science and Research Branch, Islamic Azad University, Department of Geology, Tehran, IR
Source
Indian Journal of Science and Technology, Vol 6, No 4 (2013), Pagination: 4362-4367Abstract
Saravan fault in Iran is a reverse fault with the dextral strike- slip component. In this paper, we studied the Current Activity Effects of this fault on Regional Structural Geomorphology. This study includes not only the new Neotectonic evidences but also parameters such as mountain front sinuosity 1, rate index (V) , Hydraulic Gradient Index of Stream (SL) that has carried out by field sampling , using satellite images , topographic maps and SRTM data. The mean calculated values from geomorphologic indices of meanders of mountain front, the ratio of valley bottom over its height and the ratio of V are 1.76, 0.98, and 0.77, respectively. These values indicate the high tectonic activities in Saravan region. The existence of Geomorphologic Evidences such as moved channels has proved Dextral Fault for the youngest stage of performance called Post-Cenozoic. It is found by the study of regional morph tectonic units such that the whole region is active tectonically, and Saravan fault where located in the middle part has higher activity than its two northwestern and southeastern extremesKeywords
Saravan Fault, Iran, Morphtectonic, GeotectonicFull Text
References
- Aqanbaty A (2004). Geological Survey of Iran, Geological and Mineral Exploration.
- Berberian M, Qarshi M et al. (1992). Research and Neotectonics, seismotectonics and seismic hazard - big and faulting in the expanse around Qazvin, Geological and Mineral Exploration country report No. 61, 1990.
- PourKermani M, and solgi A (2009). Morphotectonic, Copyright MIT., Islamic Azad University, Tehran, Iran.
- PourKermani M, and Arian M (2001). Structural geomorphology of northeastern Kurdistan, Sistan and Baluchestan University Journal of Humanities. Seventh year.No. 16.
- Sadat M A A (1993). Tectonic map of Iran, published by the Geological Survey.
- Bull W B, and Mcfadden L D, Tectonic geomorphology north and south of the Garlok fault, California. 8th Annual geomorphology sym., New York. at Bingamton, 1977 Enertec, Saveh site confirmation studies, preliminary report, phase 1B investigation. Volume 1: geology and seismology. Atomic Energy Organization of Iran, Tehran, 1978.