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![](./images/clear.gif) 1.- PRELIMINARY MINERALOGICAL AND PETROLOGICAL STUDY OF THE ORTOSA AU-BI-TE ORE DEPOSIT; A REDUCED GOLD SKARN IN THE NORTHERN PART OF THE RIO NARCEA GOLD BELT, ASTURIAS, SPAIN
ELSEVIER; AMSTERDAM-NEW YORK; III; INTERNATIONAL, 2000
GOLD EXPLORATION IN NW IBERIAN PENINSULA
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![](./images/clear.gif) 2.- THE RIO NARCEA GOLD BELT INTRUSIONS; GEOLOGY, PETROLOGY, GEOCHEMISTRY AND TIMING
ELSEVIER; AMSTERDAM-NEW YORK; III; INTERNATIONAL, 2000
GOLD EXPLORATION IN NW IBERIAN PENINSULA
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