Doehne, Eric
Trace-element geochemistry and mineralogy of the Cretaceous/Tertiary boundary: identification of extraterrestrial components - Boulder, CO Geological Society of America 1990 - pp. 367-382 ilus., tbl. - Special Paper. Geological Society of America n.247 .
ELEMENTOS SIDEROFILOS
ELEMENTOS TRAZA
EXTINCION MASIVA
LIMITE K-T
56.017.4/S47|56
Trace-element geochemistry and mineralogy of the Cretaceous/Tertiary boundary: identification of extraterrestrial components - Boulder, CO Geological Society of America 1990 - pp. 367-382 ilus., tbl. - Special Paper. Geological Society of America n.247 .
ELEMENTOS SIDEROFILOS
ELEMENTOS TRAZA
EXTINCION MASIVA
LIMITE K-T
56.017.4/S47|56