Sommer, Carlos Augusto <br/><br/>
Potassic and low- and high-Ti mildly alkaline volcanism in the Neoproterozoic Ramada plateau, southernmost Brazil 

 - Oxford  Elsevier Science  March 2005 
 - pp. 237-254  ilus. 
<br/><br/><label>ISSN: </label>0895-9811 
<br/><br/><label>Subjects--Topical Terms: </label><br/>COMPOSICION POTASICA<br/>GEOCRONOLOGIA<br/>GEOQUÍMICA<br/>PETROGENESIS<br/>ROCAS VOLCANICAS<br/>SHOSHONITA<br/>VOLCANISMO
<br/><br/><label>Subjects--Geographic Terms: </label><br/>BRASIL