introduction the sar cheshmeh copper deposit and indications of other deposits are located in the dehaj-sarduieh belt in the kerman region (khadem and nedimovic, 1973). this belt is one of the most important provinces of cu mineralization in iran, with approximately 300 cu deposits and prospects, includingtwenty of the porphyry copper type (ghorbani, 2013). this belt, 300 km in length and 30–45...

coccolithophores are important primary producers in the modern world ocean and were almost certainly important in the mesozoic oceans, prior to the evolution and rise of diatoms in the phytoplankton. calcareous nannofossils are abundant, planktonic, rapidly evolving and largely cosmopolitan, so they are a good tool for biostratigraphy and paleoecology studies especially in the cretaceous system...

khole-kū is located in the south of takestan and on the border of qazvin plain. this site was sounding during an archaeological project in the spring of 2011. the pottery materials found by this excavation indicated for the site to have been succesivly occupied from prehistory to islamic periods. in this article we performed a classification framework based on the typological characteristics of...

the effects of range management plans (rmp) on soil and vegetationcharacteristics were studied in eshtehard rangelands at alborz province. the parameters ofyield, canopy cover, range condition and trend, bulk density, organic matter (om%),nitrogen (n), phosphorous (p) and potassium (k) were estimated on soil samples in sitesof ghenzel cheshmeh as rmp and sanctum of rahmanyeh village. the data w...

Content Analysis of the High School Textbooks in Iran from Information Literacy Perspective E. Ebraahimi Dorcheh M. Cheshmeh Sohraabi, Ph.D. M. R. Neyestaani, Ph.D. To determine the extent to which information literacy is utilized within the 10th grade textbooks across different disciplines, a sample of 19 textbooks from among 96 high school textbooks was selected. The instr...

Heavy metal(loid) contamination in the environment of mining areas has become an important problem. Cheshemeh-Konan is one of the main copper deposits in NW Iran that is currently abandoned. In the present work, the intensity of some metal(loid) pollutions in the soil of the mining area was assessed using three reliable indices. In addition, the potential of Sonchus oleraceus L., as th...