%0 Journal Article %T Petrochemistry and geochemistry of kimberlites from different provinces of the world %A Ilupin, I.V. %A Roshchina, I.A. %K kimberlite, petrochemistry, geochemistry, correlation. %J Russian Journal of Earth Sciences %D 2002 %N 4 %P 19 %I Geophysical Center of the Russian Academy of Sciences