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:: Volume 8, Issue 25 (9-2014) ::
jwmseir 2014, 8(25): 39-46 Back to browse issues page
Using Magnetic Properties to Investigate the Role of Lithological Units in Sediment Production
Hojatolah Samadi * , Sadat Feiz_nia , AliAkbar Nazari-samani
Abstract:   (8513 Views)

A magnetic property is one of the features inherent in the minerals that are used to identify minerals so that type and location of the mineral can be traced using them.   In the present study, we used four magnetic parameters XLF, XHF, XFD XFD% for tracing sediment and differentiation of sediment sources in the Hasan Abdal watershed. Sediment samples were taken from the small dams and bed sediments of streams and from lithological units with three replications as sources of sediment. Then the samples were passed through from sieve 62.5 microns and magnetic parameters were measured using magnetic susceptibility meter. Then the contribution of lithological units in the sediment production was determined using statistical and multivariate compositional techniques and the relative importance index was considered as representative of sediment production of the lithological units. The results showed that the Pd unit has the largest share in sediment production with 49.76%. This unit consists of quartz sandstone, and pink to white shale and sandstone and massive dolomite. The second is the Pl-Qc unit that consists of loose conglomerate with poorly roundness and medium sorted in color light gray and its contribution in sediment production 15.13%. Єz unit with 7.40% is third grade this unit consists of pink to red micaceous shale. The contribution of lithological units PMl, Єl, Ef, Ev, Ek1, Qt, Js, Єbt and Et, respectively is  5.54%, 5.39%, 3.53%, 3.44%, 2.96&, 2.37%, 2.13%, 1.94% and 0.42%.

Keywords: lithological unit, sediment, magnetic, Hasan Abdal watershed.
Full-Text [PDF 1005 kb]   (2581 Downloads)    
Type of Study: Research | Subject: Special
Received: 2014/11/9 | Accepted: 2014/11/9 | Published: 2014/11/9
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samadi H, feiz_nia S, Nazari-samani A. Using Magnetic Properties to Investigate the Role of Lithological Units in Sediment Production. jwmseir 2014; 8 (25) :39-46
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Volume 8, Issue 25 (9-2014) Back to browse issues page
مجله علوم ومهندسی آبخیزداری ایران Iranian Journal of Watershed Management Science and Engineering
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