Nowadays geophysical airborne data have high importance for radioactive mineral exploration. In fact these data is major base for radioactive elements exploration. In this study by airborne radiometric data interpretation collected from Hashtrod 1:100000 sheet&nbs More
Nowadays geophysical airborne data have high importance for radioactive mineral exploration. In fact these data is major base for radioactive elements exploration. In this study by airborne radiometric data interpretation collected from Hashtrod 1:100000 sheet no. 5464 situated in north Iran expectation areas for uranium, thorium and potassium were recognized. Firstly, statistical parameters were calculated and radiometric elements' histograms of the area were drawn using conventional statistics. Moreover, promising maps were drawn based on the dispersion around the mean. Then, concentration- area full logarithm plots were drawn by using fractal method and digit data collected in the area. Next, plots associated uranium, thorium and potassium anomalous areas were prepared after step separation of different environments (background, threshold, anomaly) had been done based on C-A angular coefficient curve. The correlation coefficients between These elements were determined after some tables of data scattering were drawn. The image Ternary radioelement map color space GRB earns in the region and finally to process the images and extract the most important forms of uranium anomalies identified hot area and the introduction of promising deposits of radioactive minerals indexes were examined for discovery proceedings
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Detection of optimized geochemical patterns requires Orientation Survey (O.S.) in which one of its importantlayers is selecting an effective data analysis method.In order to detect favorable potentials in Ghoulan area, discrimination of mineralized and blind ore zones u More
Detection of optimized geochemical patterns requires Orientation Survey (O.S.) in which one of its importantlayers is selecting an effective data analysis method.In order to detect favorable potentials in Ghoulan area, discrimination of mineralized and blind ore zones usingadvanced techniques with presenting a suitable geochemical pattern and relative pathfinders is the scope of thisstudy. In this respect, 233 stream sediment samples were collected from the area and analyzed for base metals(Cu, Mo, Cr, Co, Ni, Pb, Zn, As, Y …) and their indicator elements.The anomalous zones in the area were detected using two systemic methods such as principal componentanalysis (PCA) and Fractal (F) methods. Application of F method on geochemical data leads to detection of twoanomalous zones of Cu in Gharachilar and W-Loutkeh, with Mo appearance in Namnigh. The separation ofthese two anomalous zones (Cu& Mo) probably is due to acidity of area formed by solubility of sulphides fromoutcrops and migration of Mo in the form of molibdate which caused the precipitation of Cu and Mo in twodifferent zones.The results show that both methods (F&PCA) have similar detection zones but the capability of PCA inenhancement of halos and detection of blind ore zones is more effective than F method. As in this case, it coulddetect strong blind anomalous zone of Mo in Namnigh in addition to Cu & Mo trend. Overall, thecharacterization of methods also revealed that the PCA is more reliable in rejecting the syngenetic effects and theresults can be more precisely used in the area.
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Nowadays geophysical airborne data have high importance for radioactive mineral exploration. In fact these data is major base for radioactive elements exploration. In this study by airborne radiometric data interpretation collected from Hashtrod 1:100000 sheet&nbs More
Nowadays geophysical airborne data have high importance for radioactive mineral exploration. In fact these data is major base for radioactive elements exploration. In this study by airborne radiometric data interpretation collected from Hashtrod 1:100000 sheet no. 5464 situated in north Iran expectation areas for uranium, thorium and potassium were recognized. Firstly, statistical parameters were calculated and radiometric elements' histograms of the area were drawn using conventional statistics. Moreover, promising maps were drawn based on the dispersion around the mean. Then, concentration- area full logarithm plots were drawn by using fractal method and digit data collected in the area. Next, plots associated uranium, thorium and potassium anomalous areas were prepared after step separation of different environments (background, threshold, anomaly) had been done based on C-A angular coefficient curve. The correlation coefficients between These elements were determined after some tables of data scattering were drawn. The image Ternary radioelement map color space GRB earns in the region and finally to process the images and extract the most important forms of uranium anomalies identified hot area and the introduction of promising deposits of radioactive minerals indexes were examined for discovery proceedings.
Manuscript profile
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