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Paper Information

Journal:   GEOSCIENCES   FALL 2009 , Volume 19 , Number 73; Page(s) 176 To 165.
 
Paper: 

PRELIMINARY RESULTS OF LONG TERM STRENGTH OF LITHOSPHERE IN THE ZAGROS MOUNTAINS OF IRAN: INSIGHT FROM MECHANICAL MODELING

 
 
Author(s):  NANKALI H.R.*, VOSOUGHI B., SOBOUTIE F., HESSAMI K., TALEBIAN M.
 
* NATIONAL CARTOGRAPHIC CENTER OF IRAN, GEODESY AND GEODYNAMICS DEPARTMENT, TEHRAN, IRAN
 
Abstract: 

A three-dimensional lithosphere model with horizontal dimensions of 1500 kmx600 km and a depth extent of 70 km for the Zagros is constructed from available geophysical data to find out strength of the outermost layers in this area. The structural boundaries of the model are based on the results from the deep seismic sounding profiles. First the finite element model for the temperature is solved in order to obtain initial temperature and the geotherm, after that structural viscoelastic problem is solved using the same mesh as in the thermal initial condition. Preliminary results for wet and dry rheology indicate that the depth of the BDT is about 8 km and 11 km for hot geotherm and 10.5 km to 14 km for cold geotherm. The results are in good agreement with focal depth in the Zagros that most earthquakes occur in 8 to 15 km depth (Tatar et al., 2004 and Jackson et al., 2008), that the long-term strength of the continental lithosphere resided only in its upper part, which was contained wholly within the crust.

 
Keyword(s): RHEOLOGY, FINITE-ELEMENT METHODS, BRITTLE, GEOTHERM, IRAN
 
 
References: 
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Click to Cite.
APA: Copy

NANKALI, H., & VOSOUGHI, B., & SOBOUTIE, F., & HESSAMI, K., & TALEBIAN, M. (2009). PRELIMINARY RESULTS OF LONG TERM STRENGTH OF LITHOSPHERE IN THE ZAGROS MOUNTAINS OF IRAN: INSIGHT FROM MECHANICAL MODELING. GEOSCIENCES, 19(73), 176-165. https://www.sid.ir/en/journal/ViewPaper.aspx?id=274728



Vancouver: Copy

NANKALI H.R., VOSOUGHI B., SOBOUTIE F., HESSAMI K., TALEBIAN M.. PRELIMINARY RESULTS OF LONG TERM STRENGTH OF LITHOSPHERE IN THE ZAGROS MOUNTAINS OF IRAN: INSIGHT FROM MECHANICAL MODELING. GEOSCIENCES. 2009 [cited 2021May14];19(73):176-165. Available from: https://www.sid.ir/en/journal/ViewPaper.aspx?id=274728



IEEE: Copy

NANKALI, H., VOSOUGHI, B., SOBOUTIE, F., HESSAMI, K., TALEBIAN, M., 2009. PRELIMINARY RESULTS OF LONG TERM STRENGTH OF LITHOSPHERE IN THE ZAGROS MOUNTAINS OF IRAN: INSIGHT FROM MECHANICAL MODELING. GEOSCIENCES, [online] 19(73), pp.176-165. Available: https://www.sid.ir/en/journal/ViewPaper.aspx?id=274728.



 
 
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