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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Grants
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Seasonality of Abrupt Climate Change over Greenland: Direct Tests for the Younger Dryas and 8.2 ka event using Paleolimnology
9/1/20 → 8/31/23
Project: Research project
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Biosignature Preservation in Sulfate-Dominated Hypersaline Environments
Georgetown University, National Aeronautics and Space Administration
6/24/20 → 6/23/22
Project: Research project
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Null Detection of Life and the Quest for a more Refined Understanding of the True Limits of Habitability
Canadian Institute for Advanced Research
6/10/20 → 10/30/21
Project: Research project
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Earth 4D - Subsurface Science and Exploration
Canadian Institute for Advanced Research
7/1/19 → 6/30/21
Project: Research project
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Biofilms in the Deep Subsurface: Implications for Planetary Habitability
NASA Goddard Space Flight Center
9/1/18 → 8/31/21
Project: Research project
Research Output
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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. E. & 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
2 Scopus citations -
Modern constraints on the sources and climate signals recorded by sedimentary plant waxes in west Greenland
Dion-Kirschner, H., McFarlin, J. M., Masterson, A. L., Axford, Y. & Osburn, M. R., Oct 1 2020, In: Geochimica et Cosmochimica Acta. 286, p. 336-354 19 p.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
Calibration of modern sedimentary δ2H plant wax-water relationships in Greenland lakes
McFarlin, J. M., Axford, Y., Masterson, A. L. & Osburn, M. R., Dec 1 2019, In: Quaternary Science Reviews. 225, 105978.Research output: Contribution to journal › Article › peer-review
8 Scopus citations -
Establishment of the Deep Mine Microbial Observatory (DeMMO), South Dakota, USA, a Geochemically Stable Portal Into the Deep Subsurface
Osburn, M. R., Kruger, B., Masterson, A. L., Casar, C. P. & Amend, J. P., Jul 31 2019, In: Frontiers in Earth Science. 7, 196.Research output: Contribution to journal › Article › peer-review
Open Access3 Scopus citations