Uranium-series disequilibrium dating of secondary uranium ore from the south Eastern Desert of Egypt

Applied Radiation and Isotopes

Volumn 55, Issue 6, 2001, Pages 881-887

  Dawood, Yehia H ^a  

^a Ain Shams University   (Egypt)

Author keywords

Kubbaniyan pluvial period; Nabtian pluvial period; Saharan pluvial period; Uranium series disequilibrium; Uranophane

Indexed keywords

ADSORPTION; ISOTOPES; ORES; PRECIPITATION (METEOROLOGY);

KUBBANIYAN PLUVIAL PERIOD; NABTIAN PLUVIAL PERIOD; SAHARAN PLUVIAL PERIOD; URANIUM-SERIES DISEQUILIBRIUM; URANOPHANE;

URANIUM;

EID: 0347814678     PISSN: 09698043     EISSN: 18729800     Source Type: Journal    
DOI: 10.1016/S0969-8043(01)00139-7     Document Type: Article

References (27)

1. Abdalla, H.M., 1996. Geochemical and mineralogical studies at Um Ara rare metals prospect, Southeastern Desert, Egypt. Ph.D. Thesis, Hokkaido University, Sapporo, Japan.
2. Abdel Meguid, A.A., 1986. Geologicand radiometricstudies of uraniferous granite in Um Ara-Um Shilman area, south Eastern Desert, Egypt. Ph.D. Thesis, Suez Canal University, Egypt.
3. Allegre, C., 1964. De l'extension de la methode de calcul graphique Concordia aux mesures d' ages absolus effectues a l' aide du desequilibre radioactif. Cas des mineralisations secondaires d'uranium. C. R. Acad. Sci. Paris 259, 4086-4089.
4. Arvidson, R., Becker, R., Shanabrook, A., Lue, W., Sturchio, N., Sultan, M., Zakaria, L., Mahmood, A., El Alfy, Z., 1994. Climatic, eustatic, and tectonic controls on Quaternary deposits and landforms, Red Sea coast. Egypt. J. Geophys. Res. 99 (B6), 12175-12190.
5. Dawood, Y.H., Abd El-Naby, H.H., 2001. Mineralogy and genesis of secondary uranium mineralization, Um Ara area, south Eastern Desert, Egypt. J. Afric. Earth Sci. 32 (2), 317-323.
6. Elkattan, E.M., 1995. Recognition of favorable zones for uranium and thorium accumulation, at Um Ara-Um Shilman graniticpluton, south Eastern Desert, Egypt, using airborne spectrometric and magnetic data. Nucl. Geophys. 9 (3), 241-261.
7. Finch, J.R., Ewing, C.R., 1992. The corrosion of uraninite under oxidizing conditions. J. Nucl. Mater. 190, 133-156.
8. Friedlander, G., Kennedy, J.W. (Eds.), 1956. Statistical considerations in radioactivity measurements. In: Nuclear and Radiochemistry. Chapman & Hall, London, chap. 9, pp. 252-270.
9. Hester, J.J., Hobler, P.M., 1969. Prehistoricsettleme nt patterns in the Libyan Desert. Univ. Utah Anthropology Papers 92.
10. Ibrahim, M.E., 1986. Geologicand radiometricstudies on Um Ara granite pluton, south East Aswan, Egypt. M.Sc. Thesis, Mansoura University, Egypt.
11. 231Pa ages. Chem. Geol.: Isot. Geosci. 120, 175-181.
12. Korzeb, S.L., Foord, E.E., Lichte, F.E., 1997. The chemical evolution and paragenesis of uranium minerals from the Ruggles and Palermo graniticpegmatit es, New Hampshire. Can. Min. 35, 135-144.
13. Kroepelin, S., 1987. Palaeoclimatic evidence from early to mid-Holocene playas in the Gilf Kebir (southwest Egypt). In: Coetzee, J.A. (Ed.), Palaeoecology of Africa and Surrounding Islands, vol. 18. Balkema, Rotterdam, FL, pp. 189-208.
14. Lally, A.E., 1992. Chemical Procedures, Ch. 4. In: Ivanovich, M., Harmon, R.S. (Eds.), Uranium Series Disequilibrium: Application to Environmental Problems, 2nd Edition.. Oxford University Press, Oxford, pp. 95-126.
15. Latham, A.G., Schwarcz, H.P., 1987. On the possibility of determining rates of removal of uranium from crystalline igneous rocks using U-series disequilibria-1: a U-leach model, and its applicability to whole-rock data. Appl. Geochem. 2, 55-65.
16. Levinson, A.A., Bland, C.J., Dean, J.R., 1984. Uranium series disequilibrium in young surficial uranium deposits in southern British Columbia. Can. J. Earth Sci. 21, 559-566.
17. 238U-series in samples from Yeelirrie, Western Australia. J. Geochem. Explor. 12, 57-65.
18. Lofvendahl, R., Holm, E., 1981. Radioactive disequilibria and apparent ages of secondary uranium minerals from Sweden. Lithos 14, 189-201.
19. 230Th/ U isochrons, ages, and errors. Geochim. Cosmochi. Acta 58 (22), 5031-5042.
20. Osmond, J.K., Cowart, J.B., 1982. Groundwater. In: Ivanovich, M., Harmon, R.S. (Eds.), Uranium Series Disequilibrium: Application to Environmental Problems. Oxford University Press, Oxford, pp. 202-245.
21. Osmond, J.K., Cowart, J.B., 1992. Groundwater. In: Ivanovich, M., Harmon, R.S. (Eds.), Uranium Series Disequilibrium: Application to Environmental Problems, 2nd Edition.. Oxford University Press, Oxford, pp. 290-333.
22. Osmond, J.K., Cowart, J.B., Ivanovich, M., 1983. Uranium isotopicdisequilib rium in groundwater as an indicator of anomalies. Int. J. Appl. Radiat. Isot. 34 (1), 283-308.
23. Osmond, J.K., Dabous, A.A., Dawood, Y.H., 1999. U series age and origin of two secondary uranium deposits, central Eastern Desert, Egypt. Econ. Geol. 94, 273-280.
24. Sakanoue, M., Konishi, K., Komura, K., 1967. Stepwise determinations of thorium, protactinium and uranium isotopes and their applications in geochronological studies. Proceedings of a Conference on Radioactive Dating and Methods of Low-Level Counting in Monaco. Vienna International AtomicEnergy Agency, pp. 313-329.
25. Weijden, C.H., Leeuwen, M.V., Peters, A.F., 1985. Experiments on the leaching of uranium from granitic rocks and implications for geochemical exploration. Urania. 2, 37-52.
26. Wendorf, F., Schild, R., Said, R., Haynes, V.C., Gautier, A., Kobusiewicz, M., 1976. The prehistory of the Egyptian Sahara. Science 193, 103-114.
27. Zielinski, R.A., Bush, C.A., Rosholt, J.N., 1986. Uranium series disequilibrium in a young surficial deposit, northeastern Washington, USA. Appl. Geochem. 1, 503-511.