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1.- GEOCHEMICAL STUDIES OF RARE EARTH ELEMENTS IN THE PORTUGUESE PYRITE BELT, AND GEOLOGIC AND GEOCHEMICAL CONTROLS ON GOLD DISTRIBUTION
U. S. GEOLOGICAL SURVEY; RESTON, VA; USA; UNITED STATES, 1998
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2.- RARE EARTH ELEMENT DISTRIBUTION IN THE VOLCANIC LITHOSTRATIGRAPHIC UNITS OF THE PORTUGUESE PYRITE BELT
U. S. GEOLOGICAL SURVEY; RESTON, VA; USA; UNITED STATES, 1998
GEOCHEMICAL STUDIES OF RARE EARTH ELEMENTS IN THE PORTUGUESE PYRITE BELT, AND GEOLOGIC AND GEOCHEMICAL CONTROLS ON GOLD DISTRIBUTION
Ver registro
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