TY JOUR TI Petrology and geochemistry of rocks from the basement of the Pechenga paleorift KW petrology and geochemistry of rocks KW Pechenga paleorift KW Kola Superdeep Borehole. JO Russian Journal of Earth Sciences AU Vetrin, V.R. AU Turkina, O.M. AU Ludden, J.. PY 2002 IS 4 PB Geophysical Center of the Russian Academy of Sciences