| Biomolecule formation by oceanic impacts on early Earth Y Furukawa, T Sekine, M Oba, T Kakegawa, H Nakazawa Nature geoscience 2 (1), 62-66, 2009 | 149 | 2009 |
| Polar and neutral isopranyl glycerol ether lipids as biomarkers of archaea in near-surface sediments from the Nankai Trough M Oba, S Sakata, U Tsunogai Organic geochemistry 37 (12), 1643-1654, 2006 | 87 | 2006 |
| An interlaboratory study of TEX86 and BIT analysis using high‐performance liquid chromatography–mass spectrometry S Schouten, EC Hopmans, J Van Der Meer, A Mets, E Bard, TS Bianchi, ... Geochemistry, Geophysics, Geosystems 10 (3), 2009 | 79 | 2009 |
| A forest fire and soil erosion event during the Late Devonian mass extinction K Kaiho, S Yatsu, M Oba, P Gorjan, JG Casier, M Ikeda Palaeogeography, Palaeoclimatology, Palaeoecology 392, 272-280, 2013 | 63 | 2013 |
| Changes in depth-transect redox conditions spanning the end-Permian mass extinction and their impact on the marine extinction: Evidence from biomarkers and sulfur isotopes K Kaiho, M Oba, Y Fukuda, K Ito, S Ariyoshi, P Gorjan, Y Riu, S Takahashi, ... Global and Planetary Change 94, 20-32, 2012 | 56 | 2012 |
| A smooth negative shift of organic carbon isotope ratios at an end-Permian mass extinction horizon in central pelagic Panthalassa S Takahashi, K Kaiho, M Oba, T Kakegawa Palaeogeography, Palaeoclimatology, Palaeoecology 292 (3-4), 532-539, 2010 | 55 | 2010 |
| Effects of soil erosion and anoxic–euxinic ocean in the Permian–Triassic marine crisis K Kaiho, R Saito, K Ito, T Miyaji, R Biswas, L Tian, H Sano, Z Shi, ... Heliyon 2 (8), 2016 | 52 | 2016 |
| Panthalassic oceanic anoxia at the end of the Early Triassic: A cause of delay in the recovery of life after the end-Permian mass extinction S Takahashi, M Oba, K Kaiho, S Yamakita, S Sakata Palaeogeography, Palaeoclimatology, Palaeoecology 274 (3-4), 185-195, 2009 | 48 | 2009 |
| A terrestrial vegetation turnover in the middle of the Early Triassic R Saito, K Kaiho, M Oba, S Takahashi, ZQ Chen, J Tong Global and Planetary Change 105, 152-159, 2013 | 46 | 2013 |
| Significant changes in land vegetation and oceanic redox across the Cretaceous/Paleogene boundary T Mizukami, K Kaiho, M Oba Palaeogeography, Palaeoclimatology, Palaeoecology 369, 41-47, 2013 | 38 | 2013 |
| Devonian–Carboniferous transition containing a Hangenberg Black Shale equivalent in the Pho Han Formation on Cat Ba Island, northeastern Vietnam T Komatsu, S Kato, K Hirata, R Takashima, Y Ogata, M Oba, H Naruse, ... Palaeogeography, Palaeoclimatology, Palaeoecology 404, 30-43, 2014 | 36 | 2014 |
| Sulfur isotope profiles in the pelagic Panthalassic deep sea during the Permian–Triassic transition S Takahashi, K Kaiho, RS Hori, P Gorjan, T Watanabe, S Yamakita, Y Aita, ... Global and Planetary Change 105, 68-78, 2013 | 31 | 2013 |
| Repeated anoxia–extinction episodes progressing from slope to shelf during the latest Cenomanian K Kaiho, M Katabuchi, M Oba, M Lamolda Gondwana Research 25 (4), 1357-1368, 2014 | 27 | 2014 |
| Local initiative hydrogen production by utilization of aluminum waste materials and natural acidic hot-spring water VN Alviani, N Hirano, N Watanabe, M Oba, M Uno, N Tsuchiya Applied Energy 293, 116909, 2021 | 26 | 2021 |
| Oldest fossil records of marine protists and the geologic history toward the establishment of the modern-type marine protist world N Suzuki, M Oba Marine protists: Diversity and dynamics, 359-394, 2015 | 25 | 2015 |
| Mechanisms and possible applications of the Al–H2O reaction under extreme pH and low hydrothermal temperatures VN Alviani, P Setiani, M Uno, M Oba, N Hirano, N Watanabe, N Tsuchiya, ... International Journal of Hydrogen Energy 44 (57), 29903-29921, 2019 | 20 | 2019 |
| Ether lipids from the Lower and Middle Triassic at Qingyan, Guizhou Province, Southern China R Saito, M Oba, K Kaiho, C Maruo, M Fujibayashi, J Chen, ZQ Chen, ... Organic geochemistry 58, 27-42, 2013 | 20 | 2013 |
| Secular changes in environmental stresses and eukaryotes during the Early Triassic to the early Middle Triassic R Saito, K Kaiho, M Oba, J Tong, ZQ Chen, S Takahashi, J Chen, L Tian, ... Palaeogeography, Palaeoclimatology, Palaeoecology 451, 35-45, 2016 | 18 | 2016 |
| Predominance of archaea-derived hydrocarbons in an Early Triassic microbialite R Saito, K Kaiho, M Oba, M Fujibayashi, J Tong, L Tian Organic Geochemistry 85, 66-75, 2015 | 18 | 2015 |
| Extreme euxinia just prior to the Middle Triassic biotic recovery from the latest Permian mass extinction R Saito, M Oba, K Kaiho, P Schaeffer, P Adam, S Takahashi, FW Nara, ... Organic geochemistry 73, 113-122, 2014 | 18 | 2014 |
