@inbook{inbook79cc04f4, title = {Geochemical stratigraphy of parana continental flood basalts: a contribution from borehole samples}, author = {Mantovani, Marta Silvia Maria and Peate, D W and Hawkesworth, C J}, year = {1988}, publisher = {IAG-USP}, journal = {Mesozoic Flood Volcanism of the Parana Basin : Petrogenetic and Geophysical Aspects} }