00908nam0-22003011i-450 99000176870040332120190529131412.0000176870FED01000176870(Aleph)000176870FED0100017687020030910d1965----km-y0itay50------baengChemical analyses of igneous rocksAlbert P. Ruotsala, Sarah P. TuffordMinneapolisUniversity of Minnesota196587 p.27 cmMinnesota Geological Survey.Information circular2Rocce vulcaniche552.2Ruotsala,Albert P.76890Tufford,Sarah P.76891ITUNINARICAUNIMARCLG99000176870040332160 OP. 67/140681FAGBCFAGBCChemical analyses of igneous rocks363995UNINA