Geosphere; February 2008; v. 4; no. 1;
p. 75-106; DOI: 10.1130/GES00116.1
© Geological Society of America
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Figure 10. Silica variation diagrams for whole-rock samples of the Caetano Tuff, tuff of Cove Mine, and Caetano caldera intrusive rocks. Major elements normalized to 100% volatile free. See text for data sources. (A) Al2O3-SiO2; (B) Fe2O3T-SiO2; (C) MgO-SiO2; (D) CaO-SiO2; (E) Na2O+K2O-SiO2; (F) TiO2-SiO2; (G) P2O5-SiO2; (H) Ba-SiO2; (I) Zr-SiO2.
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