Abstract
The dispersion of U, Th and REE from a U-vein type deposit, localized in an intragranitic vein, through the surrounding host rock has been characterized by combining petrological, mineralogical, geochemical (major and trace elements, radiogenic isotopes) studies. The different stages of hydrothermal alteration, including those leading to changes in the major or trace elements concentrations have been identified. The distances over which U, Th and REE have migrated are estimated and correlated to the main water/rock interaction processes. The role of co-precipitation with secondary minerals in the retention of these elements is stressed. These processes are considered as analogous to those which could take place around a radioactive waste repository in a similar rock formation. The main geochemical implications of this work for the safety assessment of such a disposal are discussed. 7 figs., 27 refs.
Menager, M T
[1]
- CEA Centre d`Etudes de la Vallee du Rhone, 30 - Marcoule (FR). Direction du Cycle du Combustible
Citation Formats
Menager, M T.
Uranium-thorium and rare earth migration in granitic uranium deposits: comparison test with high level radioactive wastes in underground disposal; Etude de la migration de l`uranium, du thorium et des terres rares au sein d`un gisement d`uranium intragranitique: analogie avec un stockage en formation granitique de dechets radioactifs de haute activite.
France: N. p.,
1991.
Web.
Menager, M T.
Uranium-thorium and rare earth migration in granitic uranium deposits: comparison test with high level radioactive wastes in underground disposal; Etude de la migration de l`uranium, du thorium et des terres rares au sein d`un gisement d`uranium intragranitique: analogie avec un stockage en formation granitique de dechets radioactifs de haute activite.
France.
Menager, M T.
1991.
"Uranium-thorium and rare earth migration in granitic uranium deposits: comparison test with high level radioactive wastes in underground disposal; Etude de la migration de l`uranium, du thorium et des terres rares au sein d`un gisement d`uranium intragranitique: analogie avec un stockage en formation granitique de dechets radioactifs de haute activite."
France.
@misc{etde_10145396,
title = {Uranium-thorium and rare earth migration in granitic uranium deposits: comparison test with high level radioactive wastes in underground disposal; Etude de la migration de l`uranium, du thorium et des terres rares au sein d`un gisement d`uranium intragranitique: analogie avec un stockage en formation granitique de dechets radioactifs de haute activite}
author = {Menager, M T}
abstractNote = {The dispersion of U, Th and REE from a U-vein type deposit, localized in an intragranitic vein, through the surrounding host rock has been characterized by combining petrological, mineralogical, geochemical (major and trace elements, radiogenic isotopes) studies. The different stages of hydrothermal alteration, including those leading to changes in the major or trace elements concentrations have been identified. The distances over which U, Th and REE have migrated are estimated and correlated to the main water/rock interaction processes. The role of co-precipitation with secondary minerals in the retention of these elements is stressed. These processes are considered as analogous to those which could take place around a radioactive waste repository in a similar rock formation. The main geochemical implications of this work for the safety assessment of such a disposal are discussed. 7 figs., 27 refs.}
place = {France}
year = {1991}
month = {Dec}
}
title = {Uranium-thorium and rare earth migration in granitic uranium deposits: comparison test with high level radioactive wastes in underground disposal; Etude de la migration de l`uranium, du thorium et des terres rares au sein d`un gisement d`uranium intragranitique: analogie avec un stockage en formation granitique de dechets radioactifs de haute activite}
author = {Menager, M T}
abstractNote = {The dispersion of U, Th and REE from a U-vein type deposit, localized in an intragranitic vein, through the surrounding host rock has been characterized by combining petrological, mineralogical, geochemical (major and trace elements, radiogenic isotopes) studies. The different stages of hydrothermal alteration, including those leading to changes in the major or trace elements concentrations have been identified. The distances over which U, Th and REE have migrated are estimated and correlated to the main water/rock interaction processes. The role of co-precipitation with secondary minerals in the retention of these elements is stressed. These processes are considered as analogous to those which could take place around a radioactive waste repository in a similar rock formation. The main geochemical implications of this work for the safety assessment of such a disposal are discussed. 7 figs., 27 refs.}
place = {France}
year = {1991}
month = {Dec}
}