Remote sensing and airborne geophysics studies for uranium and thorium exploration in Zahedan area (Southeastern Iran)

摘要

The study area is located in Nehbandan-Khash zone according to the structural classification of Iran. The outcrops of this area are mainly composed of Cenozoic and Quaternary units. The structure of the area, under the influence of faults and folding, has a trend from north-northwest to south-southeast. Airborne data of radiometric was collected in the study area. In the exploration area of Zahedan, after processing and statistical analysis airborne radiometric data and preparing the map of the radioactive elements with the same intensity, the anomaly ranges were determined. For this purpose, two Ordinary Kriging and inverse distance squared technique were used to estimate the data. The trend of these radioactive element anomalies in the area was the general northwest-southeast trend, as identified in the maps. These anomalies of the radioactive elements are found in the Oligo-Miocene granodiorites units. Three anomaly ranges are located in the northeastern corner of the sheet, which are proposed as valuable anomalies for continuing exploratory study.