Low and high TiO2 Mesozoic tholeiitic magmatism of the Maranhao Basin (NE Brazil): K/Ar age, geochemistry, petrology, isotope characteristics and relationships with Mesozoic low and high TiO2 flood basalts of the Paranà Basin (SE Brazil)

Bellieni G.

Piccirillo E. M.

Cavazzini G.

Zantedeschi P.