Figure 9

Zr/TiO2 vs. Nb/Y shows typical volcanic rock types (modified after reference51). The original lithology of the sample is andesite tuff (Com comendite, Pant pantellerite, Bsn basanite, Nph nephelinite).

Zr/TiO2 vs. Nb/Y shows typical volcanic rock types (modified after reference51). The original lithology of the sample is andesite tuff (Com comendite, Pant pantellerite, Bsn basanite, Nph nephelinite).