Kaszab Zoltán (szerk.): A Magyar Természettudományi Múzeum évkönyve 72. (Budapest 1980)

Embey-Isztin, A.: Major element patterns in Hungarian basaltic rocks: an approach to determine their tectonic settings

Table 3. CIPW norms of the magma-types calculated on the basis of average concentration values given in Table 2 Young basalts Cretaceous basalts Diabases Basaltic andésites Q _ 6.26 or 10.04 6.23 1.03 12.76 ab 14.65 19.58 29.03 24.05 an 18.31 17.66 23.1 29.28 ne 7.68 7.42 — — ÍFe 3.33 3.57 3.65 3.16 di Mg 5.79 4.87 3.89 2.93 [Ca 9.63 8.78 7.72 6.17 hv fFe 2.31 5.91 ny iMg — — 2.41 5.65 nl fFe 9.92 11.03 10.9 Ul IMg 15.35 13.79 10.39 — mt 1.88 1.94 2.35 1.48 il 3.42 5.1 3.12 2.37 Fe

3+

/Fe 2+ = 0.15 theoretical value was used in every calculation