Ref.: Bull. Minéral. , 1987, 110, pp. 249-259.
U/Th mineralization linked with quartz leaching and albitization of Bouges peraluminous granite (Mt. Lozère).
The main mineralization consists of uranophosphothorite.
Numerous undetermined complex zirconosilicates with U, Th, REE, Y are formed after zircon alteration.