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1.- GEOLOGIC SETTING AND GEOCHEMICAL CONTROLS OF THE DISTRIBUTION OF GOLD IN 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
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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
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3.- THE NEVES-CORVO DEPOSIT, IBERIAN PYRITE BELT, PORTUGAL; IMPACTS AND FUTURE, 25 YEARS AFTER THE DISCOVERY
SOCIETY OF ECONOMIC GEOLOGISTS; LITTLETON, CO; USA; UNITED STATES, 2002
INTEGRATED METHODS FOR DISCOVERY; GLOBAL EXPLORATION IN THE TWENTY-FIRST CENTURY
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