Grants per year
Personal profile
Research Interests
Geobiology of extreme environments including the deep subsurface, hydrothermal systems, ultrabasic/acidic systems, and caves; Compound‐specific isotope organic geochemistry (H,C,S) applied to microbial ecology, biogeochemical cycling in microbe‐rich environments and the sedimentary record of environmental perturbation; Neoproterozoic chemical evolution of the ocean‐atmosphere system during extreme isotope excursions; Carbonate sedimentology, stratigraphy, and geochemistry with an emphasis on microbialite preservation and morphology.
Education/Academic qualification
Geobiology, PhD, California Institute of Technology
… → 2013
Geobiology, MS, California Institute of Technology
… → 2008
Earth and Planetary Sciences, Environmental Studies, BA, Washington University St. Louis
… → 2007
Research interests
- Biogeochemical cycling
- Carbonate sedimentology
- Microbialite
- Neoproterozoic chemical evolution
- Stratigraphy
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Network
Recent external collaboration on country/territory level. Dive into details by clicking on the dots or
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Collaborative Research: Evolution of Subsurface Microbe-Rock-Fluid Systems
9/1/21 → 8/31/26
Project: Research project
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CAREER: triple-isotope approach to unraveling subsurface food webs
6/1/21 → 5/31/26
Project: Research project
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Sudbury Mines Project Development-Earth 4D
Canadian Institute for Advanced Research
11/1/20 → 10/31/21
Project: Research project
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Constraining the Mammoth Cave Nitrogen Cycle with a Combined Sequencing-Isotope Approach
New Mexico Institute of Mining and Technology, National Park Service
11/1/20 → 11/30/21
Project: Research project
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Electrochemical evidence for in situ microbial activity at the Deep Mine Microbial Observatory (DeMMO), South Dakota, USA
Rowe, A. R., Abuyen, K., Lam, B. R., Kruger, B., Casar, C. P., Osburn, M. R., El-Naggar, M. Y. & Amend, J. P., Mar 2021, In: Geobiology. 19, 2, p. 173-188 16 p.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
Microbial succession and dynamics in meromictic Mono Lake, California
Geobiology Course 2017 & Geobiology Course 2018, Jul 2021, In: Geobiology. 19, 4, p. 376-393 18 p.Research output: Contribution to journal › Article › peer-review
Open Access1 Scopus citations -
Rock-Hosted Subsurface Biofilms: Mineral Selectivity Drives Hotspots for Intraterrestrial Life
Casar, C. P., Kruger, B. R. & Osburn, M. R., Apr 9 2021, In: Frontiers in Microbiology. 12, 658988.Research output: Contribution to journal › Article › peer-review
Open Access -
Late glacial and Holocene paleoenvironments in the midcontinent United States, inferred from Geneva Lake leaf wax, ostracode valve, and bulk sediment chemistry
Puleo, P. J. K., Axford, Y., McFarlin, J. M., Curry, B. B., Barklage, M. & Osburn, M. R., Aug 1 2020, In: Quaternary Science Reviews. 241, 106384.Research output: Contribution to journal › Article › peer-review
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Mineral-hosted biofilm communities in the continental deep subsurface, Deep Mine Microbial Observatory, SD, USA
Casar, C. P., Kruger, B. R., Flynn, T. M., Masterson, A. L., Momper, L. M. & Osburn, M. R., Jul 1 2020, In: Geobiology. 18, 4, p. 508-522 15 p.Research output: Contribution to journal › Article › peer-review
9 Scopus citations