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![](./images/clear.gif) 1.- AN APPROACH TOWARD A COMBINED SCHEME FOR THE PETROGRAPHIC CLASSIFICATION OF FLY ASH; REVISION AND CLARIFICATION
AMERICAN CHEMICAL SOCIETY; WASHINGTON, DC; USA; UNITED STATES, 2005
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![](./images/clear.gif) 2.- Coal seams from Paleocene Marcelina Formation; possible petroleum source rock? Evidence from organic petrography, western Venezuela
The=Society for Organic Petrology (TSOP); [location varies]; USA; United States, 2011
Twenty-eighth annual meeting of the Society for Organic Petrology; program & abstracts
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![](./images/clear.gif) 3.- COMBUSTION CHARACTERISTICS OF INERT MACERALS OF GONDWANA COALS;
1984
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![](./images/clear.gif) 4.- First multi-proxy record of Jurassic wildfires from Gondwana; evidence from the Middle Jurassic of the Neuquen Basin, Argentina
Elsevier; Amsterdam; NLD; Netherlands, 2011
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![](./images/clear.gif) 5.- MACERALS AS COAL FACIES INDICATORS;
![](./images/clear.gif)
MADRID: I.G.M.E., 1985
CONGRES INTERNATIONAL DE STRATIGRAPHIE ET DE GEOLOGIE DU CARBONIFERE. 10/1983/MADRID
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![](./images/clear.gif) 6.- PARAGENESIS OF IRON SULFIDE AS FUNCTION OF COAL RANK;
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MADRID, 1983
CONGRESO INTERNACIONAL DE ESTRATIGRAFIA Y GEOLOGIA DEL CARBONIFERO. 10. ABSTRACTS/1983/MADRID
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