Scientific Research and Essays

  • Abbreviation: Sci. Res. Essays
  • Language: English
  • ISSN: 1992-2248
  • DOI: 10.5897/SRE
  • Start Year: 2006
  • Published Articles: 2759

Full Length Research Paper

Estimation of crustal thickness by combination of two geophysical methods: A case study

Roshanak Rajablou1, Asghar Teymoorian Motlagh2 and Abbas Abbaszadeh shahri2*
1Young Researchers Club, Hamedan Branch, Islamic Azad University, Hamedan, Iran. 2Department of Geophysics, Hamedan Branch, Islamic Azad University, Hamedan, Iran.
Email: [email protected]

  •  Published: 28 June 2012


In this study an extended geophysical survey using gravity and high angle refracted seismic methods with recorded earthquake has been carried out in Kerman province in southeast of Iran. The purpose of the applied geophysical surveys was to provide information on crustal structure and lithospheric thickness. The purpose of this research is focused on determination of Moho depth and for this reason several profiles for both methods were performed and by use of topography and gravity data with a reasonable combination with high angle refracted seismic data and earthquake record, the crustal and lithospheric thickness of Kerman province in the southeast of Iran was calculated.Oldenburg- Parker algorithm was the base of gravity survey of the present work but by use of Matlab programming environment and generated C Sharp computer codes was optimized, improve and then executed. For seismic data, a least-squares analysis of the travel-time data was made and the uncertainties were taking in to account. Finally, depth calculations for the velocity discontinuities and gravity anomaly contour maps were made. The comprehensive comparison between the obtained results and other studies on the selected area showed good agreement, which verified the ability of produced code.


Key words: Geophysical methods, crustal thickness, MOHO R.A.T 1.01.