Faculty and Staff

Thomas Algeo

Professor

504 Geology-Physics Building
513-556-4195
thomas.algeo@uc.edu

Research Support

Collaborative Research: Chemostratigraphic analysis of Panthalassic and Tethyan Permian-Triassic boundary sections: Assessment of global paleoceanographic dynamics, National Science Foundation/Sedimentary Geology & Paleobiology. $255,000. Funded 12-2008 to 11-2012.

The Permo-Triassic boundary event: Assessment of global paleoceanographic dynamics, Univ. of Cincinnati Research Council. $6,500. Funded 11-2006 to 11-2007.

Collaborative Research: Middle and Upper Devonian black shales: Testing the productivity-anoxia feedback and land plant-weathering rate hypotheses, National Science Foundation/Sedimentary Geology & Paleobiology . (NSF-EAR-0618003); $190,000. Funded 08-2006 to 08-2008.

Testing the land plant-weathering rate hypothesis for Devonian marine anoxia and mass extinction events, Univ. of Cincinnati Research Council. $6,500. Funded 05-2005 to 05-2006.

(co-PI) Terrestrial carbon sequestration in Devonian-Mississippian anoxic basins: Determining the relative importance of higher plants to organic accumulation in black shales, National Science Foundation, Geology & Paleontology . (NSF-EAR-0310072); $179,000 (UC $14,100). Funded 08-2003 to 08-2005.

Sequence stratigraphy of Upper Permian Glorieta Formation, Monahans Field, West Texas, Exxon Research Production Company. $7,500. Funded 06-1995 to 09-1995.

Microstratigraphic and geochemical analysis of Devono-Mississippian black shales of the Appalachian Basin: A high-resolution record of solar-modulated climatic cyclicity?, UC University Research Council. $4,900. Funded 06-1993 to 06-1994.

Estimating Paleozoic eustatic elevations from paleogeographic and hypsometric data, National Academy of Sciences, Project Development Grant. $1,700. Funded 02-1993 to 02-1994.

Quantifying stratigraphic completeness: A probabilistic approach using paleomagnetic data, University Research Council. $3,935. Funded 06-1992 to 06-1993.

University of Cincinnati, Faculty Start-Up Award, $60,000. Funded 1991 to 1994.

Graduate Fellowship, National Science Foundation. Funded 1984 to 1987.

Published Abstracts

Grice, K., Nabbefeld, B., Maslen, E., Summons, R.E., Hays, L., Twitchett, R.L., Turgeon, S., Algeo, T., Bottcher, M.E. (2007). Significance of biomarkers for P/Tr and F/F mass extinctions [Abstract]. 17th Annual V.M. Goldschmidt Conference, Cologne, Germany.

Turgeon, S.C., Creaser, R.A., and Algeo, T.J. (2006). Re-Os depositional ages and seawater Os estimates for the Frasnian-Fammenian Boundary [Abstract]. 16th Annual V. M. Goldschmidt Conference, Sydney, Australia, August 2006. Geochimica et Cosmochimica Acta, Volume 70, Issue 18, Supplement 1, August-September, A660.

Peer Reviewed Publications

Weyer, S., Anbar, A.D., Gerdes, A., Gordon, G., Algeo, T.J., Boyle, E.A. (2008). Natural fractionation of 238U/235U. Geochimica et Cosmochimica Acta, 72, 345-359.

Algeo, T.J., Shen, Y., Zhang, T., Lyons, T.W., Bates, S.M., Rowe, H., and Nguyen, T.K.T., (2008). Association of 34S-depleted pyrite layers with negative carbonate δ13C excursions at the Permian/Triassic boundary: Evidence for upwelling of sulfidic deep-ocean watermasses. Geochemistry Geophysics Geosystems, 9, doi:10.1029/2007GC001823.

Pope, M.C., Algeo, T.J., Saltzman, M., and Bartley, J.K. (2007). Special issue on Neoproterozoic-Paleozoic ocean chemistry. Palaeogeography Palaeoclimatology Palaeoecology, 256, 1-4.

Algeo, T.J., and Ingall, E.D (2007). Sedimentary Corg:P ratios, paleocean ventilation, and Phanerozoic atmospheric pO2. Palaeogeography Palaeoclimatology Palaeoecology, 256, 130-155, doi:10.1016/j.palaeo.2007.02.029.

Algeo, T.J., Lyons, T.W., Blakey, R.C., and Over, D.J. (2007). Hydrographic conditions of the Devono-Carboniferous North American Seaway inferred from sedimentary Mo-TOC relationships. Palaeogeography Palaeoclimatology Palaeoecology, 256, 204-230, doi:10.1016/j.palaeo.2007.02.035.

Turgeon, S., Creaser, R., and Algeo, T.J. (2007). Re-Os depositional ages and seawater Os estimates for the Frasnian-Fammenian Boundary. Earth and Planetary Science Letters, 261, 649-661.

Algeo, T., Lehrmann, D., Orchard, M., Tong, J. (2007). The Permian-Triassic boundary crisis and Early Triassic biotic recovery. Palaeogeography Palaeoclimatology Palaeoecology, 252, 1-3, doi:10.1016/j.palaeo.2006.11.030.

Algeo, T.J., Ellwood, B.B., Nguyen, T.K.T., Rowe, H., and Maynard, J.B. (2007). The Permian-Triassic boundary at Nhi Tao, Vietnam: Evidence for recurrent influx of sulfidic watermasses to a shallow-marine carbonate platform. Palaeogeography Palaeoclimatology Palaeoecology, 252, 304-327, doi:10.1016/j.palaeo.2006.11.055.

Algeo, T.J., Hannigan, R., Rowe, H., Brookfield, M., Baud, A., Krystyn, L., and Ellwood, B.B. (2007). Sequencing events across the Permian-Triassic boundary, Guryul Ravine (Kashmir, India). Palaeogeography Palaeoclimatology Palaeoecology, 252, 328-346, doi:10.1016/j.palaeo.2006.11.050.

Tribovillard, N., Algeo, T.J., Lyons, T.W., and Riboulleau, A. (2006). Application of trace metals as paleoredox and paleoproductivity proxies. Chemical Geology, 232, 12-32.

Algeo, T.J., and Lyons, T.W. (2006). Mo–total organic carbon covariation in modern anoxic marine environments: Implications for analysis of paleoredox and paleohydrographic conditions. Paleoceanography, 21, PA1016, doi:10.1029/2004PA001112.

Algeo, T.J. (2004). Can marine anoxic events draw down the trace-element inventory of seawater?. Geology, 32, 1057-1060.

Algeo, T.J., Schwark, L., and Hower, J.C. (2004). High-resolution geochemistry and sequence stratigraphy of the Hushpuckney Shale (Swope Formation, eastern Kansas): Implications for climato-environmental dynamics of the Late Pennsylvanian Midcontinent Seaway. Chemical Geology, 206, 259-288.

Algeo, T.J., and Maynard, J.B. (2004). Trace element behavior and redox facies in core shales of Upper Pennsylvanian Kansas-type cyclothems. Chemical Geology, 206, 289-318.

Book Chapters

Brett, C.E., Algeo, T.J., and McLaughlin, P.I. (2003). Approaches in High-Resolution Stratigraphic Paleontology. Harries, P.J. (Eds.), Use of event beds and sedimentary cycles in high-resolution stratigraphic correlation of lithologically repetitive successions: The Upper Ordovician Kope Formation of northern Kentucky and southern Ohio. (pp. 315-350). Amsterdam: Kluwer.

Invited Presentations

(11-2007). University of Texas at Arlington, Arlington, TX.

(11-2007). Terrestrialization Workshop . Museum of Natural History, Paris, France.

(11-2007). Georgia Institute of Technology, Atlanta, GA.

(11-2007). Arkansas State University, Jonesboro, AK.

(09-2007). Massachusetts Institute of Technology, Boston, MA.

(06-2007). China University of Geosciences, Wuhan, China.

(03-2007). China University of Geosciences, Beijing, China.

(12-2005). NSF Paleoceanographic Proxies Workshop, San Francisco, CA.

(02-2005). Ohio University , Athens, OH.

(11-2004). Louisiana State U., Baton Rouge, LA.

(09-2004). Kansas Geological Survey/U. of Kansas, Lawrence, KS.

(04-2004). University of Illinois at Chicago, Chicago, IL.

(10-2003). Indiana University, Bloomington, IN.

(05-2003). Kansas Geological Survey, Lawrence, KS.

(02-2003). University of Kentucky, Lexington, KY.

Algeo, T.J., Scheckler, S.E., and Gensel, P.G. (10/08/2007). Land plant evolution and weathering rate changes in the Devonian. Terrestrialization Influences On The Palaeozoic Geosphere-Biosphere, Muséum National d’Histoire Naturelle, Paris .

Algeo, T.J. (06/21/2007). Pangea: The effect of supercontinent formation and breakup on global hypsometry and eustasy. 16th International Congress on the Carboniferous and Permian (ICCP) Session 5: Evolutionary Palaeogeography and Palaeoclimatology; Pangea formation and breakup, Nanjing China.

Algeo, T.J., Heckel, P.H., Rowe, H., Hower, J.C., and Schwark, L. (06/21/2007). Advection of denitrified (15N-enriched) Panthalassic intermediate waters to the Late Paleozoic Midcontinent Sea of North America. 16th International Congress on the Carboniferous and Permian (ICCP), Session 6: Isotopic Geochemistry and Geobiology in the Permo-Carboniferous , Nanjing, China.

Algeo, T.J., Shen, Y., Zhang, T., Lyons, T.W., Rowe, H., and Nguyen, T.K.T. (06/21/2007). Recurrent upwelling of sulfidic deep watermasses at the Permian-Triassic boundary. 16th International Congress on the Carboniferous and Permian (ICCP) Session 9: End-Permian Biotic Mass Extinction and Early-Triassic Recovery, Nanjing, China.

Algeo, T.J. (04/03/2007). High-frequency paleoclimate variation: analysis, interpretation, and significance. AAPG/SEPM Annual Meeting, Long Beach, California.

Herrmann, A., Wasylenki, L., Algeo, T., and Anbar, A.D. (04-2007). Sequence stratigraphic control on the molybdenum isotope record of the Hushpuckney Shale: Implications for regional paleoceanographic conditions. Geol. Soc. Am. North-Central Meeting, Lawrence, Kansas.

Algeo, T.J., Shen, Y., Lyons, T.W., Ellwood, B.B., Rowe, H., and Zhang, T. (10/22/2006). The Permian-Triassic boundary at Nhi Tao, Vietnam: Evidence for recurrent influx of sulfidic watermasses to a shallow-marine carbonate platform. Geol. Soc. Am. Annual Meeting, Philadelphia.

Algeo, T.J., Rowe, H., and Maynard, J.B. (10/22/2006). Elemental proxies for hydrographic conditions in restricted marine systems. Geol. Soc. Am. Annual Meeting, Philadelphia.

Algeo, T.J., Hinnov, L.A., and Over, D.J. (10/22/2006). Milankovitch cyclicity in the Ohio and Sunbury shales: Astronomical calibration of the Late Devonian-Early Carboniferous timescale. Geol. Soc. Am. Annual Meeting, Philadelphia.

Herrmann, A., Wasylenki, L., Algeo, T., and Anbar, A.D. (10/22/2006). Molybdenum isotope record of the Hushpuckney Shale (Missourian Stage, Eastern Kansas): implications for regional and global anoxia. Geol. Soc. Am. Annual Meeting, Philadelphia.

McArthur, J.M., Algeo, T.J., Wignall, P., and van de Schootbrugge (08-2006). Evaluating causes for the Toarcian Oceanic Anoxic Event using trace elements, 187Os/188Os, 87Sr/86Sr, and δ13C of belemnite calcite. Internat. Assoc. Sedimentologists Annual Meeting, Fukuoka, Japan.

Lyons, T., Anbar, A., Scott, C., Bekker, A., Severmann, S., and Algeo, T. (2006). In search of anoxia in the Proterozoic ocean.

Algeo, T.J., Ellwood, B., Thoa, N.T.K., Rowe, H., and Maynard, J.B. (03-2006). The Permo-Triassic boundary at Nhi Tao, Vietnam: Evidence for recurrent influx of sulfidic watermasses to a shallow-marine carbonate platform. Interrad XI, Circum-Pacific Triassic Stratigraphy & Correlation Conference: The International Association Of Radiolarian Paleontologists, Wellington, New Zealand.

Algeo, T.J., and Lyons, T.W. (08-2005). Mo-TOC covariation in modern anoxic marine environments: Implications for analysis of paleoredox and –hydrographic conditions. Earth Systems Processes 2, Calgary, Alberta, Canada.

Algeo, T.J., Lyons, T.W., Blakey, R.C., and Over, D.J. (08-2005). Estimating the residence time of epeiric sea watermasses from sedimentary elemental proxies. Earth Systems Processes 2, Calgary, Alberta, Canada.

Algeo, T.J., and Ellwood, B. (05-2005). Preliminary geochemical analysis of the Cao Bang Permian-Triassic boundary section in northeastern Vietnam. Triassic Chronostratigraphy and Biotic Recovery conference, Chaohu, China.

Algeo, T.J. (2004). Phanerozoic sedimentary Corg:P ratios and paleocean ventilation. AGU Fall Meeting, San Francisco, CA .

Algeo, T.J., and Heckel, P.H. (2004). Cyclothemic offshore “core” shales as records of climate dynamics and interglacial durations of the Permo-Carboniferous Ice Age. GSA Annual Meeting, Denver, CO.

Algeo, T.J. (2004). Can marine anoxic events draw down the trace-element inventory of seawater? (invited talk). . GSA Annual Meeting, Denver, CO.

Algeo, T.J., and Scheckler, S.E. (2003). The role of soils as an interface between terrestrial and marine ecosystems: The Middle to Late Devonian (invited talk). . GSA Annual Meeting, Seattle, WA .

Algeo, T.J. (2003). The Late Devonian marine P cycle and the origin of widespread black shales: Enhanced rates of upwelling or chemical weathering? (invited talk). GSA Annual Meeting, Seattle, WA.

Algeo, T.J., Hower, J.C., and Schwark, L. (2003). Climato-environmental dynamics of the Late Pennsylvanian Midcontinent Seaway: Implications from high-resolution geochemical and sequence stratigraphic analysis of core shales. GSA Annual Meeting, Seattle, WA.

Algeo, T.J., and Maynard, J.B. (2003). Trace element behavior and redox facies in core shales of Upper Pennsylvanian Kansas-type cyclothems (invited talk). GSA Annual Meeting, Seattle, WA.

Algeo, T.J., and Maynard, J.B. (2003). Trace element behavior and redox facies analysis of core shales of Upper Pennsylvanian Kansas-type cyclothems (invited talk. 13th Annual V.M. Goldschmidt Conference “Biogeochemistry and paleoenvironmental implications of metals in marine sediments”, Kurashiki, Japan.

Additional Information

"Murderous trees": K. Fox, Science Report, American Institute of Physics, Aug. 1995 (radio interview).

Department of Geology
P.O. Box 210013
Cincinnati OH 45221-0013

345 College Court, Cincinnati OH 45221-0013