Natural radionuclide distribution in quartzite sands of East Mediterranean Region (Turkey)

摘要

The study examined 15 sites in the Ovacik-Kargicak (Mersin, Turkey) open pit mines and obtained two quartzite samples from each. Gamma-ray spectromet-ric measurements were undertaken on the quartzite rocks and sands to quantify the concentrations of the natural ra-dionuclides ~226Ra,~232Th and ~40K. In addition, the mean radioactivity concentrations of these natural nuclides were calculated to be 6.94, 7.34 and 140.05 Bqkg_(-1). Also the mean radioactivity concentrations of the natural nuclides in old Ovacik quartzite sands ~226Ra,~232Th and ~40K were calculated to be 9.85, 10.54, and 226.40 Bqkg"1, respectively.