Browsing Geology - Undergraduate degree by Author "Goulart, Ariel Rocha"
Now showing items 1-1 of 1
-
Geologia e petrografia do picrito do boqueirão e sua correlação com outras rochas máficas-ultramáficas no SW do escudo Sul-Riograndense
Goulart, Ariel Rocha (2014) [Work completion of graduation]Picrites are ultramafic, volcanic or hypabyssal rockas, which contain abundant olivine and have high MgO (> 12wt. %) and low alkalis (< 3 wt. %) contents. These rocks represent the crystallization of mantle-derived primitive ...