U and Th series disequilibrium in unaltered and hydrothermally-altered granites from the El Berrocal site (Spain): Weathering effects

Applied Radiation and Isotopes

Volumn 47, Issue 9-10, 1996, Pages 1115-1119

  Perez Del Villar L ^a   Crespo, M T ^a   Pardillo, J ^a   Pelayo, M ^a   Galan M P ^a  

^a CIEMAT   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

ALPHA PARTICLE SPECTROMETERS; EFFECTS; GEOLOGICAL REPOSITORIES; RADIOACTIVE WASTE DISPOSAL; RADIOACTIVITY MEASUREMENT; RADIOISOTOPES; RISK ASSESSMENT; THORIUM; URANIUM; WEATHERING;

EL BERROCAL SITE; HIGH LEVEL RADIOACTIVE WASTE REPOSITORIES; SPAIN;

GRANITE;

THORIUM; URANIUM;

CONFERENCE PAPER; NATURAL RADIOACTIVITY; PRIORITY JOURNAL; RADIOACTIVE WASTE DISPOSAL; ROCK;

EID: 0030249361     PISSN: 09698043     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0969-8043(96)00116-9     Document Type: Conference Paper

References (8)

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2. Arribas A. (1965) Mineralogía y metalogenia de los yacimientos Españoles de Uranio. El Berrocal, Escalona, Toledo. Not. Com. Inst. Geol. Min. España 77, 67.
3. 6. Inst. Geol. Min. de España, Madrid.
4. Pérez del Villar L. and de la Cruz B. (1989) Caracterización minerálogica y geoquímica del granito sano y alterado del macizo de El Berrocal (Sierra de Gredos, Provincia de Toledo). Stud. Geol. Salmant. 26, 47.
5. Pérez del Villar L., de la Cruz B., Pardillo J., Cózar J. S. and Ménager M. T. (1994) Uranium distribution in relation to the mineralogical and geochemical characteristics of the granite from the El Berrocal uranium mine (Spain). In Proc. Fourth Int. Conf. Chem. Migrat. Behav. Actin. Fiss. Prod. Geosphere, p. 363. Charleston, Sc., U.S.A. Oldenbourg, Munchen.
6. Pérez del Villar L., Cózar J. S., de la Cruz B., Pardillo J. and Fernández A. M. (1995) Influence of the alteration processes on the U-Th-REE minerals in the El Berrocal granite/U-bearing quartz vein system (Spain): an example of natural analogue processes. In Minerals Deposit From Their Origin to Their Environmental Impacts (Pasava J., Kribek B. and Zak K., Eds), p. 689. Balkema, Rotterdam.
7. Rosholt J. N. (1983) Isotopic composition of uranium and thorium in crystalline rocks. J. Geophys. Res. 88, 7315.
8. Varea R. and Iglesias A. (1981) Proyecto 'Rio Alberche'. Investigación de U en los materiales graníticos de un sector del Sistema Central. Informe Previo 281/6, t. 1 y 2, 131 and 252. ADARO-JEN (Madrid).