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![](./images/clear.gif) 1.- EVIDENCE FOR A SHORT REVERSAL OF THE GEOMAGNETIC FIELD AT THE ALBIAN-CENOMANIAN TIME-BOUNDARY
AMERICAN GEOPHYSICAL UNION; WASHINGTON, DC; USA; UNITED STATES, 1996
AGU 1996 FALL MEETING
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![](./images/clear.gif) 2.- GEOLOGIC CHARACTERISTICS OF SKARN AND PORPHYRY ZINC MINERALIZATION AT THE BISMARK MINE, CHIHUAHUA, MEXICO
SOCIETY OF ECONOMIC GEOLOGISTS;; USA; UNITED STATES, 2002
GLOBAL EXPLORATION 2002; INTEGRATED METHODS FOR DISCOVERY
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![](./images/clear.gif) 3.- LIGHT RARE EARTH ELEMENT AND ZINC BEARING CARBONATITE OCCURRENCES NEAR VILLA AHUMADA, CHIHUAHUA, NORTHERN MEXICO
GEOLOGICAL SOCIETY OF AMERICA (GSA); BOULDER, CO; USA; UNITED STATES, 1999
GEOLOGICAL SOCIETY OF AMERICA, 1999 ANNUAL MEETING
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