All abstracts by Takashi Kakegawa at Goldschmidt2009
| (2009) Weak Photic-Zone Euxinia at the End of the Permian in Central Pelagic Panthalassa as Recorded in Marine Organic Carbon Isotopes
Takahashi S, Kaiho K, Oba M & Kakegawa T |
| (2009) Geochemistry of 1.9 Ga Gunflint Formation in Canada: Unique Oceanic Environments and Microbial Activities
Ishida A, Oba M & Kakegawa T |
| (2009) Synthesis of Organic Molecules by Ocean Impacts on the Early Earth
Furukawa Y, Sekine T, Oba M, Kakegawa T & Nakazawa H |