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Visiting Scientist

Hisanari Sugawara from Ehime University, Japan, is looking into the geomicrobiology of volcanic rocks.

Microbial fossils within greenrocks of ancient oceanic crust exposed on land are the key to characterizing ancient microbial activity on Earth and other terrestrial planets. Therefore, Hisanari Sugawara’s research projects are focused on preservation, identification, biogenicity, syngenicity, and antiquity of microbial trace and body fossils occurring in glassy and massive basalts from accretionary complex in Japan, based on field investigation, petrography, mineralogy, and geochemical analysis.

Hisanari Sugawara

 

Main research topics:

Characterization of putative microbial fossils in greenrocks


Cooperation:

  • Masayuki Sakakibara (Department of Earth Sciences, Ehime University)
  • Minoru Ikehara (Center for Advanced Marine Core Research, Kochi University)

 

Research Interests:

  • Geological approach for life detection on terrestrial planets
  • Response of subsurface life to a surface environmental change
  • Origin of life
  • Evolution of subsurface life

 

Expertise:

  • Thin section making
  • Polarizing microscopy
  • Scanning electron microscopy (SEM and FE-SEM)
  • SEM-EDX analysis
  • X-ray diffraction analysis (XRD)
  • X‐ray fluorescence Analysis (XRF)

 

Publications:

Sugawara H., Sakakibara M., Belton D., Suzuki T., Quantitative micro-PIXE analysis of heavy-metal-rich framboidal pyrite. Journal of Mineralogical and Petrological Sciences, 103, 2, 131-134

Sugawara H., Sakakibara M., Ikehara M., Laird J., 2011, Microbial trace fossils discovered from altered basaltic glass: Implications of earth-analog study for astrobiology on Mars. Proceeding of 2011 International Joint Symposium between IEGS (Korea) and NIRE, CERI (Japan), 189-194

Sugawara H., Sakakibara M., Ha N.T.H., Hikoda M., 2010, Proceeding of 2010 International Joint Symposium between IEGS (Korea) and NIRE, CERI (Japan), 205-212

Sugawara H., Sakakibara M., Belton D., Suzuki T., Takehana D., 2009, Two-dimensional mapping analysis of heavy metals in an arsenic releasing mudstone by micro-PIXE. The proceedings of the nineteenth symposium on geo-environments and geo-technics, 71-74

Sugawara H., Sakakibara M., Belton D., Suzuki T., 2010, Heavy metal distribution in framboidal pyrite by micro-PIXE. Proceeding of 2010 International Joint Symposium between IEGS (Korea) and NIRE, CERI (Japan), 205-212

 

Contact:

Hisanari Sugawara
sugawara@sci.ehime-u.ac.jp
Department of Earth Sciences
Ehime University, Japan

Department for Geodynamics and Sedimentology
University of Vienna

Althanstrasse 14
A-1090 Vienna

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