we quantified the distribution, abundance and assemblage structure of macrofauna at 22 stations in gorgan bay, seasonally in 2012-2013. also, depth, temperature, salinity, do, tom and sediment particle size were measured in each station. the highest concentration of tom was measured near the western littoral zone (10.22) while the mouth part and north-eastern area was characterized by the lowes...

it is the first time that biostratigraphic zonations of calcareous nannoplankton from maestrichtian to lower tertiary deposits of iran are reported. the required samples from the north-eastem and western parts of the country were selected from the stocks of the national iranian oil company. taxonomic descriptions were not the main objectives, although a new species and genus are apparently pres...

North-western Arabia is marked by thousands of prehistoric stone structures. Of these, the monumental, rectilinear type known as mustatils has received only limited attention. Recent fieldwork in AlUla and Khaybar Counties, Saudi Arabia, demonstrates that these monuments are architecturally more complex than previously supposed, featuring chambers, entranceways orthostats. These structures can ...