Zaki, O., Ismail, A., Mahmud, S. (2014). GENERATION OF INTERPRETED SPECTRAL RADIOMETRIC LITHOLOGIC UNIT (ISRLU) MAP OF GEBEL MIZRAIYA, SOUTH WEST SINAI, EGYPT. test, 12(1), 1-8. doi: 10.21608/jegs.2014.385006
O.A. Zaki; A.A. Ismail; S.E. Mahmud. "GENERATION OF INTERPRETED SPECTRAL RADIOMETRIC LITHOLOGIC UNIT (ISRLU) MAP OF GEBEL MIZRAIYA, SOUTH WEST SINAI, EGYPT". test, 12, 1, 2014, 1-8. doi: 10.21608/jegs.2014.385006
Zaki, O., Ismail, A., Mahmud, S. (2014). 'GENERATION OF INTERPRETED SPECTRAL RADIOMETRIC LITHOLOGIC UNIT (ISRLU) MAP OF GEBEL MIZRAIYA, SOUTH WEST SINAI, EGYPT', test, 12(1), pp. 1-8. doi: 10.21608/jegs.2014.385006
Zaki, O., Ismail, A., Mahmud, S. GENERATION OF INTERPRETED SPECTRAL RADIOMETRIC LITHOLOGIC UNIT (ISRLU) MAP OF GEBEL MIZRAIYA, SOUTH WEST SINAI, EGYPT. test, 2014; 12(1): 1-8. doi: 10.21608/jegs.2014.385006

GENERATION OF INTERPRETED SPECTRAL RADIOMETRIC LITHOLOGIC UNIT (ISRLU) MAP OF GEBEL MIZRAIYA, SOUTH WEST SINAI, EGYPT

Journal of Egyptian Geophysical Society
Volume 12, Issue 1, 2014, Pages 1-8    PDF (1.39 M)
Document Type: Original Article
DOI: 10.21608/jegs.2014.385006
Authors
O.A. Zaki1; A.A. Ismail2; S.E. Mahmud3
1Airborne Geophysics Dept., Exploration Division, Nuclear Materials Authority of Egypt
2Airborne Geophysics Dept., Exploration Division, Nuclear Materials Authority of Egypt,
3Faculty of Science, Geophysics Department, Cairo University
Abstract
Gamma-ray spectrometry (GRS) can be very helpful in mapping radioelement data. The method provides estimates of apparent surface concentrations of the most common naturally occurring radioactive elements: potassium (K), uranium (eU), and thorium (eTh). The use of the method is based on the assumption that absolute and relative concentrations of these radioelements vary measurably and significantly with lithology. The composite image technique is used to display simultaneously three parameters of the radioelement concentrations and ratios on one image. The technique offered much in terms of lithologic discrimination based on color differences. In this study, the airborne gamma-ray spectrometric survey data were interpreted to construct the Interpreted Spectral Radiometric Lithologic Unit (ISRLU) map, determine the uranium and thorium anomalies (four uranium leads and three thorium leads), and confirming the result by field check.
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