Home

Research

Publications

Link

Publication (2001-2005)

Ueno Y., Isozaki Y., Yurimoto H., and Maruyama S. (2001) Carbon isotopic signatures of individual Archean microfossils (?) from Western Australia. International Geology Review 43, 196-212. pdf

Ueno Y., Isozaki Y., Yurimoto H., and Maruyama S. (2001) Mode of occurrence of Early Archean microfossils and 13C-depleted organic matter from North Pole area, Western Australia. In Geochemistry and the Origin of Life (eds. Nakashima S., Maruyama S., Brack A., and Windley B.) pp. 203-236. Universal Academy Press, Tokyo.

Ueno Y., Yurimoto H., Yoshioka H., Komiya T., and Maruyama S. (2002) Ion microprobe analysis of graphite from ca. 3.8 Ga metasediments, Isua supracrustal belt, West Greenland: Relationship between metamorphism and carbon isotopic composition. Geochimica et Cosmochimica Acta 66, 1257-1268. pdf

Ueno Y. (2003) Biosphere in the 3.5 Ga sub-seafloor hydrothermal system. Journal of Geography (in Japanese with English abstract) 112, 208-217. pdf

Ueno Y., Yoshioka H., Maruyama S., and Isozaki Y. (2004) Carbon isotopes and petrography of kerogens in ca. 3.5 Ga hydrothermal silica dikes in the North Pole area, Western Australia. Geochimica et Cosmochimica Acta 68, 573-589. pdf

Nishizawa M., Terada K., Ueno Y., and Sano Y. (2004) Ion microprobe U-Pb dating and REE analysis of apatite from kerogen-rich silica dike from North Pole area, Pilbara Craton, Western Australia. Geochemical Journal 38, 243-254. pdf

Nishizawa M., Takahata N., Terada K., Komiya T., Ueno Y., and Sano Y. (2005) Lead, carbon and nitrogen isotope geochemistry of apatite-bearing metasediments from ~3.8 Ga Isua supracrustal belt, West Greenland: primary signature and secondary disturbance. International Geology Review 47, 952-970. pdf

Sakurai R., Ito, M., Ueno Y., Kitajima K., and Maruyama S. (2005) Facies architecture and sequence-stratigraphic features of the Tumbiana Formation in the Pilbara Craton, northwestern Australia: Implications for depositional environments of oxygenic stromatolites during the Late Archean. Precambrian Research 138, 255-273. pdf

Publication (2006-)

Ueno Y., Isozaki Y., and McNamara K.J. (2006) Coccoid-like microstructures in a 3.0 Ga chert from Western Australia. International Geology Review 48, 78-88. pdf

Ueno Y., Yamada K., Yoshida N., Maruyama S., and Isozaki Y. (2006) Evidence from fluid inclusions for microbial methanogenesis in the early Archaean era. Nature 440, 516-519.link

Igisu M., Nakashima S., Ueno Y., Awramik S.M., and Maruyama S. (2006) In-situ IR microspectroscopy of ~850 million-year-old prokaryotic fossils. Applied Spectroscopy 60, 1111-1120. link

Ueno Y., Yamada K., Yoshida N., Maruyama S., and Isozaki Y. (2006) Biosignatures and abiotic constraints on Early life (Reply). Nature 444, E19-E19 (doi:10.1038/nature05500).link

Iizuka T., Komiya T., Ueno Y., Katayama I., Uehara Y., Maruyama S., and Hirata T. (2007) Tectonothermal history of the Acasta Gneiss Complex, northwestern Canada: Constraints from geology and zircon U-Pb dating combined with cathodoluminescence imagery. Precambrian Research 153, 179-208.

Nishizawa M., Sano Y., Ueno Y. , and Maruyama S. (2007) Speciation and isotope ratio of nitrogen in fluid inclusions from seafloor hydrothermal deposits at 3.5 Ga: Implication for N cycle on the early Earth. Earth and Planetary Sciences Letters 254, 332-344.

Ueno Y. (2007) Stable carbon and sulfur isotope geochemistry of the c. 3490 Ma Dresser Formation hydrothermal deposit, Pilbara Craton, Western Australia. In Earth's Oldest Rocks (Developments in Precambrian Geology) (eds. Van Kranendonk, M.J., Smithies, R.H., and Bennett, V.) Elsevier, 879-896. link

Ishikawa T., Ueno Y., Komiya T., Sawaki Y., Han J., Shu D., Li Y., Maruyama S., and Yoshida N. (2008) Carbon isotope chemostratigraphy of a Pc/C boundary section in the Three Gorge area, South China: Global scale prominent isotope excursions just before the Cambrian Explosion. Gondwana Research 14, 193-208.

Ohno T., Komiya T., Ueno Y., Hirata T., and Maruyama S. (2008) Determination of 88Sr/86Sr mass-dependent isotopic fractionation and radiogenic isotope variation of 87Sr/86Sr in the Neoproterozoic Doushantuo Formation. Gondwana Research 14, 126-133.

Takai K., Nunoura T., Ishibashi J., Lupton J., Suzuki R., Hamasaki H.,Ueno Y., Kawagucci S., Gamo T., Suzuki Y., Hirayama H., and Horikoshi K.(2008) Variability in the microbial communities and hydrothermal fluid chemistry at the newly-discovered Mariner hydrothermal field, southern Lau Basin. Journal of Geophysical Research 113, G02031, doi:10.1029/2007JG000636 link

Danielache S.O., Eskebjerg C., Johnson M.S.,Ueno Y., and Yoshida N.(2008) High-precision spectroscopy of 32S, 33S and 34S sulfur dioxide: ultraviolet absorption cross sections and isotope effects Journal of Geophysical Research 113, doi:10.1029/2007JD009695

Ueno Y., Ono S., Rumble D. and Maruyama S.(2008) Quadruple sulfur isotope analysis of ca. 3.5 Ga Dresser Formation: new evidence for microbial sulfate reduction in the Early Archean Geochimica et Cosmochimica Acta 72, 5675-5691.

Igisu M., Ueno Y., Shimojima, M., Nakashima S., Awramik S.M., Ohta H., and Maruyama S. (2009) Micro-FTIR spectroscopic signatures of Bacterial lipids in Proterozoic microfossils. Precambrian Research 173, 19-26.

Ueno Y., Johnson M.S., Danielache S.O., Eskebjerg C., Pandey A. and Yoshida N.(2009) Geological sulfur isotopes indicate elavated OCS in the Archean atmosphere, solving faint young Sun paradox Proceedings of the Nathional Academy of Science USA 106, 14784-14789.