%0 Journal Article %A Mikhail Ostroumov %A Eric Faulques %A Elena Lounejeva %T Raman spectroscopy of natural silica in Chicxulub impactite, Mexico %J Comptes Rendus. GĂ©oscience %D 2002 %P 21-26 %V 334 %N 1 %I Elsevier %R 10.1016/S1631-0713(02)01700-5 %G en %F CRGEOS_2002__334_1_21_0