TY  - SER
AU  - Beeson,R
TI  - The recognition of hydrothermal processes in the trace element geochemistry of uranium-and thorium-enriched tuffaceous rocks, northwest: Iran
SN  - 03756742
KW  - Elément trace
KW  - Roche volcanique
KW  - Géochimie
KW  - Condition hydrothermale
KW  - Uranium
KW  - Thorium
KW  - Néogène
KW  - Iran
KW  - Azarbaijan
KW  - Sarkhanlu
N1  - <Donation ORSTOM>; bibliogr. p. 24-25
ER  -