All abstracts by Akizumi Ishida at Goldschmidt2020
| (2020) Nitrogen Contents and Nitrogen Isotope Fractionation in Subduction Zones
Melai C, Frost D, Furukawa Y, Ishida A & Suzuki A |
| (2020) Two Distinct Nitrogen Sources for Microbial Activities in the 2.0 Ga Zaonega Formation
Ishida A, Sasaki K, Hashizume K, Kakegawa T & Lepland A |
| (2020) New Morphotypes, Cell-Wall Structures, and Elemental Distribution of the Gunflint Microfossils
Sasaki K, Ishida A, Tkahata N, Sano Y & Kakegawa T |