Indiana University Bloomington

Selected Publications


Ries, J. B., Fike, D.A., Pratt, L.M., Lyons, T.W., and Grotzinger, J.P., 2009, Superheavy pyrite (d34Spyr > d14S CAS) in the terminal Proterozoic Nama Group, southern Namibia: A consequence of low seawater sulfate at the dawn of animal life. Geology, 37, 743-746.

Davidson, M.M., Onstott, T.C., Bisher, M.E., Pratt, L.M., Fong, J., Southam, G., and Pfiffner, S., 2009, Sulfur Isotope Enrichment during Maintenance Metabolism in the Thermophilic Sulfate-Reducing Bacterium Desulfotomaculum putei. Applied and Environmental Microbiology.

West, L., McGown, D.J., Onstott, T.C., Morris, R.V., Suchecki, P., and Pratt, L.M., 2009, High Lake gossan deposit: An Arctic analogue for ancient Martian surficial processes? Planetary and Space Science, 57, 1302-1311.

Szynkiewicz, A., Ewing, R.C., Moore, C.H., Gamoclija, M., Bustos, D. and Pratt, L.M., (in press), Origin of terrestrial gypsum dunes - implications for Martian gypsum-rich dunes of Olympia Undae. Geomorphology doi:10.1016/j.geomorph.2009.02.017

Schimmelmann, A., M. Mastalerz, L. Gao, P.E. Sauer, and K. Topalov (2009) Dike intrusions into bituminous coal, Illinois Basin: H, C, N, O isotopic responses to rapid and brief heating. Geochimica et Cosmochimica Acta 73 (20), 62646281.

Nabbefeld, B., K. Grice, A. Schimmelmann, R.E. Summons, U. Troitzsch, and R.J. Twitchett (in press) A comparison of thermal maturity parameters between freely extractable hydrocarbons (Bitumen I) and a second extract (Bitumen II) from within the kerogen matrix of Permian and Triassic sediments. Organic Geochemistry.

Schimmelmann, A., A. Albertino, P.E. Sauer, H. Qi, R. Molinie, and F. Mesnard (2009) Nicotine, acetanilide and urea multi-level 2H-, 13C- and 15N-abundance reference materials for continuous-flow isotope ratio mass spectrometry. Rapid Communications in Mass Spectrometry 23, 35133521.

Grelaud, M., A. Schimmelmann, and L. Beaufort (2009) Coccolithophore response to climate and surface hydrography in Santa Barbara Basin, California, AD 1917 2004. Biogeosciences 6, 20252039.

Schimmelmann, A. and G.P. Lis (in press) Nitrogen isotopic exchange during maturation of organic matter. Organic Geochemistry (electronic pre-print available).

Sauer, P.E., A. Schimmelmann, A.L. Sessions, and K. Topalov (2009) Simplified batch equilibration for D/H determination of non-exchangeable hydrogen in solid organic material. Rapid Communications in Mass Spectrometry 23 (7), 949-956.

Mastalerz, M., A. Drobniak, and A. Schimmelmann (2009) Changes in optical properties, chemistry, and micropore and mesopore characteristics of bituminous coal at the contact with dikes in the Illinois Basin. International Journal of Coal Geology 76 (1-2), 98-110.


Basu, A., Patranabis-Deb, S., Schieber, J., and Dhang, P.C., 2008, Stratigraphic Position of the ~1000 Ma Sukhda Tuff (Chhattisgarh Supergroup) and the 500 Ma question. Precambrian Research, v. 167, p. 383-388.

Boudou, J.P., A. Schimmelmann , M. Ader, M. Mastalerz , M. Sebilo and L. Gengembre (2008) Organic nitrogen chemistry during low-grade metamorphism. Geochimica et Cosmochimica Acta, 72, 1199-1221.

Freifeld, B. M., Finsterle, S., Onstott, T. C., Toole P., and Pratt, L. M., 2008. Ground surface temperature reconstructions: using in situ estimates for thermal conductivity acquired with a fiber-optic distributed thermal perturbation sensor. Geophyical Research Letters 35(L14309, doi:10.1029/2008GL034762 ).

Harvey M.C., Brassell S.C., Belcher C.M., Montanari, A. (2008) Combustion of fossil organic matter at the K/P boundary. Geology 36, 355-358. doi: 10.1130/G24646A.1 Villinski J.C., Hayes J.M., Brassell S.C., Riggert V.L. & Dunbar R.B. (2008) Sedimentary sterols as biogeochemical indicators in the Southern Ocean. Org. Geochem. 39, 567-588. doi:10.1016/j.orggeochem.2008.01.009

Li, C., E.M. Ripley , Y. Tao and E.A. Mathez (2008) Cr-spinel/olivine and Cr-spinel/liquid nickel partition coefficients from natural samples. Geochimica et Cosmochimica Acta, 72, 1678-1684.

Li C, Ripley EM, Oberthür T, Miller JD, Joslin GD (2008) Textural and stable isotope studies of  hydrothermal alteration in the Main Sulfide Zone of the Great Dyke, Zimbabwe, and the Precious Metals  Zone of the Sonju Lake Intrusion, Minnesota, USA. Mineralium Deposita 43, 97-110.

Lira R, Ocanto C, Ripley EM (2008) Hydrogen and oxygen isotope data of epidote – group minerals: Evidence for the origin of some metasomatic and deuteric-hydrothermal fluids from the Sierra Pampeanas of Cordoba, Argentina. VI South American Symposium on Isotope Geology, 8pp.

Lis, G.P., M. Mastalerz and A. Schimmelmann (2008) Increasing maturity of kerogen type II reflected by alkylbenzene distribution from pyrolysis-gas chromatography-mass spectrometry. Organic Geochemistry 39, 440-449.

Mastalerz, Maria, Agnieszka Drobniak, and A. Schimmelmann (2008) Changes in optical properties, chemistry, and micropore and mesopore characteristics of bituminous coal at the contact with dikes in the Illinois Basin. International Journal of Coal Geology.

Monaghan, G.W., Gerke, T.L., Elswick, E.R., and Fik, C. 2008, Geoarchaeology and Geophysics at the Angel Site, Angel Mounds State Historic Site, Evansville, IN:  Field Trip # 11; Geological Society of America, North-central Section Meeting. April 26, 2008.

Overberg-Webb, K, Craft, C., Elswick, E., 2008, The evaluation of the freshwater western pearl mussel, Margaritifera falcata (Gould, 1850), as a bioindicator through the analysis of metal partitioning and bioaccumulation:  Northwest Science, v.82, no.3, p. 163-173.

Ripley , E.M., P. Shafer, C. Li and S.A. Hauck (2008) Re-Os and O isotopic variations in magnetite from the contact zone of the Duluth Complex and the Biwabik Iron Formation, northeastern Minnesota. Chemical Geology, 249, 213-226.

Sherwood Lollar, B., Lacrampe-Couloume, G., Voglesonger, K., Onstott, T.C., Pratt, L.M., and Slater, G.F., Isotopic signatures of CH4 and higher hydrocarbon gases from Precambrian Shield sites: A model for abiogenic polymerization of hydrocarbons, Geochimica et Cosmochimica Acta 72: 4778-4795.

Solano-Acosta , W., A. Schimmelmann , M. Mastalerz , and I. Arango (2008) Diagenetic mineralization in Pennsylvanian coals from Indiana, USA: 13C/12C and 18O/16O implications for cleat origin and coalbed methane generation. International Journal of Coal Geology, 73, 219-236.

Strąpoć, Dariusz, Flynn W. Picardal, Courtney Turich, Irene Schaperdoth, Jennifer L. Macalady, Julius S. Lipp, Yu-Shih Lin, Tobias F. Ertefai, Florence Schubotz, Kai-Uwe Hinrichs, Maria Mastalerz, and A. Schimmelmann (2008) Methane-producing microbial community in a coal bed of the Illinois Basin. Applied and Environmental Microbiology 74 (8), 2424-2432.

Strąpoć, D, M. Mastalerz , A. Schimmelmann , A. Drobniak and S. Hedges (2008) Variability of geochemical properties in a microbially dominated coalbed gas system from the eastern margin of the Illinois Basin, U.S.A. International Journal of Coal Geology 76 (1-2), 98-110.

Szynkiewicz , A, M.O. Jêdrysek, M. Kurasiewicz, M. Mastalerz (2008) Influence of sulfate input on freshwater sediments: Insights from incubation experiments. Applied Geochemistry.

Szynkiewicz , A, M. Modelska, M.O. Jêdrysek, M. Mastalerz (2008) The effect of acid rain and altitude on concentration, δ34S, and δ18O of sulfate in the water from Sudety Mountains, Poland. Chemical Geology, 249, 36-51.

Villinski, J.C., J.M. Hayes, S.C. Brassell , V.L. Riggert and R.B. Dunbard (2008) Sedimentary sterols as biogeochemical indicators in the Southern Ocean. Organic Geochemistry.

Wang R.L., Zhang S.C., Brassell S.C., Tomasi D., Scarpitta S.C., Zhang G., Sheng G.Y., Wang S.M. & Fu J.M. (2008) Geochemical signals and paleoclimate changes in a 16,000 14C year sedimentary record from Lake Gucheng, eastern China. In Geochemistry Research Advances, (ed. Stefánsson O.) pp. 143-161. Nova Science.


Elliott Jr., W.S., L.J. Suttner, and L.M. Pratt (2007) Tectonically Induced Climate and Its Control on the Distribution of Depositional Systems in a Continental Foreland Basin, Cloverly and Lakota Formations (Lower Cretaceous) of Wyoming, USA. Sedimentary Geology, 202, 730-753.

Henning, M., D. Strąpoć , G. P. Lis, P. Sauer , J. Fong , A. Schimmelmann, and L.M. Pratt (2007) Versatile inlet system for on-line compound-specific δD and δ13C gas chromatography-oxidation/reduction-isotope ratio mass spectrometry analysis of gaseous mixtures. Rapid Communications in Mass Spectrometry, 21, 2269-2272.

Huguet, C., Schimmelmann , A., Thunell, R., Lourens, L.J., Sinninghe Damsté, J.S., Schouten, S. (2007) A study of the TEX86 paleothermometer in the water column and sediments of the Santa Barbara Basin, California. Paleoceanography, 22 (3), PA3203.

Lefticariu, L., A. Schimmelmann, L.M. Pratt, and E.M. Ripley (2007) Oxygen Isotope Partitioning during Oxidation of Pyrite by H2O2 and its Dependence on Temperature. Geochimica et Cosmochimica Acta, 71 (21), 5072-5088.

Solano-Acosta , W., M. Mastalerz, and A. Schimmelmann (2007) Cleats and their relation to geologic lineaments and coalbed methane potential in Pennsylvanian coals in Indiana. International Journal of Coal Geology, 72, 187-208.

Strąpoć, D., M. Mastalerz, C. Eble, and A. Schimmelmann (2007) Characterization of the origin of coalbed gases in southeastern Illinois Basin by compound-specific carbon and hydrogen stable isotope ratios. Organic Geochemistry, 38, 267-287.

Walker, R., M. Mastalerz, S. Brassell, E. Elswick, J.C. Hower and A. Schimmelmann (2007) Chemistry of thermally altered high volatile bituminous coals from southern Indiana. International Journal of Coal Geology, 71, 2-14.


Drobniak, A., and Mastalerz, M. (2006) Chemical evolution of Miocene wood: Example from Bełchatów brown coal deposit, central Poland. International Journal of Coal Geology, 66, 157-178.

Dumitrescu, M., and Brassell, S.C. (2006) Compositional and isotopic characteristics of organic matter for the early Aptian Oceanic Anoxic Event at Shatsky Rise, ODP Leg 198. Palaeogeography, Palaeoclimatology, Palaeoecology, 235, 168-191.

Dumitrescu, M., Brassell, S.C., Schouten, S., Hopmans, E.C., and Jaap S. Sinninghe Damsté, J.S. (2006) Instability in tropical Pacific sea-surface temperatures during the early Aptian. Geology, 34, 833-836.

Fike, D.A., Grotzinger, J.P., Pratt, L.M., and Summons, R.E. (2006) Oxidation of the Ediacaran Ocean. Nature, 444, 744-747.

Finkelstein, D.B., Pratt, L., and Brassell, S.C. (2006) Can biomass burning produce a globally significant carbon-isotope excursion in the sedimentary record? Earth and Planetary Science Letters, 250, 501-510.

Gröcke, D.R., A. Schimmelmann, S. Elias, and R.F. Miller (2006) Hydrogen isotopes in beetle chitin: preliminary European data and reinterpretation of North American data. Quaternary Science Reviews, 25, 1850-1864.

Hopkins, S., Kennett, J., Nicholson, C., Pak, D., Sorlien, C., Behl, R., Normark, W., Sliter, R., Hill, T., Schimmelmann, A., and Cannariato, K. (2006) Santa Barbara Basin Study Extends Global Climate Record. EOS, Transactions, 87, 205.

Jezierski P., Szynkiewicz, A., and Jędrysek, M.O. (2006) Natural and anthropogenic origin sulphate in a mountainous aquatic system: S and O isotope evidences. Water, Air and Soil Pollution, 173, 81-101.

Lefticariu, L., L.M. Pratt and E.M. Ripley (2006) Mineralogic and sulfur isotopic effects accompanying oxidation of pyrite in millimolar solutions of hydrogen peroxide at temperatures from 4 to 150°C. Geochimica et Cosmochimica Acta, 70, 4889-4905.

Li, C.S., and Ripley, E.M. (2006) Formation of Pt-Fe alloy by desulfurization of Pt-Pd sulfide in the J-M Reef of the Stillwater Complex, Montana. Canadian Mineralogist, 44, 895-903.

Lin L.H., Wang P.L., Rumble D., Lippmann-Pipke J., Boice E., Pratt L.M., Lollar B.S., Brodie E.L., Hazen T.C., Andersen G.L., DeSantis T.Z., Moser D.P., Kershaw D., and Onstott T.C. (2006) Long-Term Sustainability of a High-Energy, Low-Diversity Crustal Biome. Science, 314, 479-482.

Lis, G.P., Schimmelmann, A., and Mastalerz, M. (2006) D/H ratios and hydrogen exchangeability of type-II kerogens with increasing thermal maturity. Organic Geochemistry, 37, 342-353.

Maier, W.D., Andreoli, M.A.G., McDonald, I., Higgins, M.D., Boyce, A.J., Shukolyukov, A., Lugmair, G. W.,Ashwal, L.D., Gräser, P., Ripley, E.M., and Hart, R.J. (2006) Discovery of a 25-cm asteroid clast in the giant Morokweng impact crater, South Africa. Nature, 441, 203-206.

Mariga, J., Ripley, E. M., and Li, C. (2006) Petrologic evolution of gneissic xenoliths in the Voisey's Bay Intrusion, Labrador, Canada: Mineralogy, reactions, partial melting, and mechanisms of mass transfer. Geochemistry Geophysics Geosystems, 7.

Mariga, J., Ripley, E. M., and Li, C. (2006) Oxygen isotopic studies of the interaction between xenoliths and mafic magma, Voisey's Bay Intrusion, Labrador, Canada. Geochimica et Cosmochimica Acta, 70, 4977-4996.

Mariga, J., Ripley, E. M., Li, C., McKeegan, K.D., Schmidt, A., and Groove, M. (2006) Oxygen isotopic disequilibrium in plagioclase-corundum-hercynite xenoliths from the Voisey's Bay Intrusion, Labrador, Canada. Earth And Planetary Science Letters, 248, 263-275.

Mastalerz, M. and Drobniak, A., G. Filippelli. (2006) Mercury content and petrographic composition in coal beds in Indiana. International Journal of Coal Geology, 68, 2-13.

Modelska, M., Szynkiewicz, A., Staœko, S., Jêdrysek, M.O. (2006). The origin of SO42- ions in waters of hard rock environment - the example of the Kamienica Catchment (the Sudety Mts.). Proceedings of the 2nd Workshop of the IAH Iberian Regional Working Group on Hard Rock Hydrogeology AIH-GP, A Chambel (Ed.), Evora, Portugal, 2006, 147-159

Mondal, S.K., E.M. Ripley, C. Li and R. Frei. (2006) The genesis of Archaean chromitites from the Nuasahi and Sukinda massifs in the Singhbhum Craton, India. Precambrian Research, 148, 45-66.

Onstott T.C., Lin L.H., Davidson M., Mislowack B., Borcsik M., Hall J., Slater G., Ward J., Lollar B.S., Lippmann-Pipke J., Boice E., Pratt L.M., Pfiffner S., Moser D., Gihring T., Kieft T.L., Phelps T.J., Vanheerden E., Litthaur D., Deflaun M., Rothmel R., Wanger G., and Southam G. (2006) The Origin and Age of Biogeochemical Trends in Deep Fracture Water of the Witwatersrand Basin, South Africa. Geomicrobiology Journal, 23, 369-414.

Schimmelmann, A., C.B. Lange, E.B. Roark, and B.L. Ingram. (2006) Resources for paleoceanographic and paleoclimatic analysis: A 6,700-year stratigraphy and regional reservoir-age (ΔR) record based on varve counting and 14C-AMS dating for the Santa Barbara Basin, offshore California, USA. Journal of Sedimentary Research, 76, 74-80.

Schimmelmann, A., Sessions, A.L., and Mastalerz, M. (2006) Hydrogen isotopic (D/H) composition of organic matter during diagenesis and thermal maturation. Annual Review of Earth and Planetary Sciences, 34, 501-533.

Strapoc, D., A. Schimmelmann, and M. Mastalerz (2006) Carbon isotopic fractionation of coalbed gases CH4 and CO2 during canister desorption. Organic Geochemistry, 37, 152-164.

Szynkiewicz, A., Jędrysek, M.O., and Kurasiewicz, M. (2006) Carbon isotope effects during precipitation of barium carbonate: implications for environmental studies. Environmental Chemistry Letters, 4, 29-35.


Budakoglu, M. and Pratt, L. (2005) Sulfur-isotope distribution and contamination related to the Balya Pb-Zn Mine in Turkey. Environmental Geology, 47, 773-781.

Craft, C.B. (2005) Natural and constructed wetlands. In M.G. Anderson (ed.), Encyclopedia of Hydrological Sciences. John Wiley and Sons, New York. [ISBN 0-471-49103-9] [oclc 63045912] [google 0471491039]

Dumitrescu, M., and Brassell, S.C. (2005) Biogeochemical assessment of sources of organic matter and paleoproductivity during the early Aptian Oceanic Anoxic Event at Shatsky Rise, ODP Leg 198. Organic Geochemistry, 36, 1002-1022.

Finkelstein, D.B., Pratt, L.M., Curtin, T.M., and Brassell, S.C. (2005) Wildfires and seasonal aridity recorded in Late Cretaceous strata from south-eastern Arizona, USA. Sedimentology, 52, 587-599.

Graham, S.A., C.B. Craft, P. McCormick, and A. Aldous (2005) Forms, amounts and accumulation of phosphorus in natural and restored peatlands of Upper Klamath Lake, Oregon. Wetlands, 25, 594-606. [abstract]

Hower, J.C., Mastalerz, M., Drobniak, A. Quick, J.C., Eble, C.F., and Zimmerer, M.J. (2005). Mercury content of the Springfield coal bed, Indiana and Kentucky. International Journal of Coal Geology, 63(3-4), 205-227.

Hower, J.C., Suarez-Ruiz, I., and Mastalerz, M. (2005). An approach towards a combined scheme for the petrographic classification of fly ash: revision and clarification. Energy & Fuels, 19, 653-655.

Lefticariu, L., Perry, E. C., Fischer, M. P., and Banner J. (2005). Evolution of fluid compartmentalization in a detachment fold complex. Geology, v. 33(1), 69-72.

Li, C., Ripley, E.M., Sarkar, A., Shin, D., and Maier, W.D. (2005) Origin of phlogopite-orthopyroxene inclusions in chromites from the Merensky Reef of the Bushveld Complex, South Africa, Contributions to Mineralogy and Petrology, 150, 118-130.

Lis, G.P., Mastalerz, M., Schimmelmann, A., Lewan, M.D. and Stankiewicz, B.A. (2005) FTIR absorption indices for thermal maturity in comparison with vitrinite reflectance R0 in type-II kerogens from Devonian black shales, Organic Geochemistry, 36, 1533-1552.

Mastalerz, M. and Drobniak, A. (2005). Comments on optical properties and origin of pseudovitrinite. International Journal of Coal Geology, 62, 250-259.

Mastalerz, M. and Drobniak, A. (2005). Vertical variations in mercury content in coal beds in Indiana. International Journal of Coal Geology, 63(1-2), 36-58.

Moser, D.P., Gihring, T.M., Brockman, F.J., Fredrickson, J.K., Balkwill, D.L., Dollhopf, M.E., Lollar, B.S., Pratt, L.M., Boice, E., Southam, G., Wanger, G., Baker, B.J., Pfiffner, S.M., Lin, L.H., and Onstott, T.C. (2005) Desulfotomaculum and Methanobacterium spp. dominate a 4-to 5-kilometer-deep fault. Applied And Environmental Microbiology, 71, 8773-8783.

Psenicka, J., Zodrow, E.L., Mastalerz, M., and Bek, J. (2005). Functional groups of fossil marattialeans: Chemotaxonomic implications for Pennsylvanian tree ferns and pteridophylls. International Journal of Coal Geology 61, 259-280.

Ripley, E.M., Sarkar, A., Li, C. (2005). Mineralogic and stable isotopic studies of hydrothermal alteration at the Jinchuan Ni-Cu deposit, 100, 1349-1361. Economic Geology.

Werner-Zwanziger, U., Lis, G., Mastalerz, M., and Schimmelmann, A. (2005) Thermal maturity of type II kerogen from the New Albany Shale assessed by 13C CP/MAS NMR. Solid State Nuclear Magnetic Resonance, 27, 140-148.


Berger W.H., A. Schimmelmann, and C.B. Lange (2004) Tidal cycles in the sediments of Santa Barbara Basin. Geology 32, 329-332.

Brassell S.C., M. Dumitrescu , and the ODP Leg 198 Shipboard Scientific Party (2004) Recognition of alkenones in a lower Aptian porcellanite from the west-central Pacific. Organic Geochemistry 35, 181-188.

Drobniak, A., Mastalerz , M., Rupp, J., and Eaton, N., (2004). Coalbed gas potential of the Seelyville Coal in Indiana, International Journal of Coal Geology, 57, 265-282.

Dumitrescu M., Finkelstein D.B., Lazar R.O., Schieber J. and Brassell S.C. (2004) Origin and history of bitumen in geodes of the New Albany shale. In Devonian Black Shales of the Eastern U.S. (eds. Schieber J. and Lazar R.) Indiana Geol. Survey Open-File Rep. 04-05, 61-67. [IGS Publication OFS04-05:]

Finkelstein D.B. (2004) Thoughts on fire. Palaios 19, 111-112.<0111:TOF>2.0.CO;2

Kvale, E.P., Mastalerz , M., Furer, L.C., Engelhardt, D.W., Eble, C., and Rexroad, C., (2004). Cyclic sedimentation in Atokan and Early Desmoinesian coal-bearing units in Indiana. In J.C. Pashin and R.A. Gastaldo (Eds) AAPG Studies in Geology 51, 71-88. [ISBN: 0-89181-058-7] [oclc 56018704] [iucat 0891810587] [google 0891810587]

Keller, J.K., J.R. White , S.D. Bridgham, and J. Pastors (2004) Climate change effects on carbon and nitrogen mineralization in peatlands through changes in soil quality. Global Change Biology 10, 1053-1064.

Kulp, T.R. and Pratt, L.M., 2004, Speciation and weathering of selenium in Upper Cretaceous chalk and shale from South Dakota and Wyoming, USA. Geochimica et Cosmochimica Acta, v. 68, p. 3687-3701.

Li C., Z.H. Xu, S.A. de Waal, E.M. Ripley , and W.D. Maier (2004) Compositional variations of olivine from the Jinchuan Ni-Cu sulfide deposit, western China: implications for ore genesis. Mineralium Deposita 39, 159-172.

Li C., E.M. Ripley, E. Merino, and W.D. Maier (2004) Replacement of base metal sulfides by actinolite, epidote, calcite and magnetite in the UG2 and Merensky Reef of the Bushveld Complex, South Africa. Economic Geology 99, 173-184.

Mastalerz, M., Gluskoter, H., and Rupp, J. (2004). Carbon dioxide and methane adsorption in high volatile bituminous coals from Indiana. International Journal of Coal Geology, 60, 43-57.

Mastalerz, M., Hower, J.C., Drobniak, A., Mardon, S.M., and Lis, G., (2004). From in-situ coal to fly ash: Study of coal mines and power plants from Indiana. International Journal of Coal Geology, 59, 153-274.

Park, Y.R., E.M. Ripley, J.D. Miller Jr., C. Li, J. Mariga, and P. Shafer (2004) Stable isotopic constraints on fluid-rock interaction and Cu-PGE-S redistribution in the Sonju Lake Intrusion, Minnesota. Economic Geology 99, 325-338.

Radlinski, A.P., Mastalerz, M., Hinde, A.L., Hainbuchner, M., Rauch, H., Maron, M., Lin, J.-S., Fan, L., and Thiyagarajan, P. (2004). Application of SAXS and SANS in evaluation of porosity, pore size distribution and surface area of coals. International Journal of Coal Geology, 59, 245-271.

Schimmelmann, A., A. L. Sessions, C. J. Boreham, D. S. Edwards, G. A. Logan, and R. E. Summons (2004) D/H ratios in terrestrially-sourced petroleum systems. Organic Geochemistry 35, 1169-1195.

Soong Y., D.E. Allen, J.R. McCarthy-Jone, D.K. Harrison, S.H. Hedges, J.P. Baltrus, and C. Zhu (2004) Preliminary experimental results of CO2 sequestration with brine. Proceedings form the 11th Water/Rock Interaction Conference, Saratoga Springs, New York. [ISBN 90-5809-641-6] [oclc 56095841] [google 9058096416]

Struck, S.D., C.B. Craft, S.W. Broome, M. SanClements, and J.N. Sacco (2004) Effects of bridge shading on estuarine marsh benthic invertebrate community structure and function. Environmental Management 34, 99-111.

Wang R.L., S.C. Brassell, S.C. Scarpitta, M.P. Zheng, S.C. Zhang, P.R. Hayde, and L.M. Muench (2004) Steroids in sediments from Zabuye Salt Lake, western Tibet: diagenetic, ecological or climatic signals? Organic Geochemistry 35, 157-168.

Villinski J.C., Hayes J.M., Villinski J.T. Brassell S.C., and Raff R.A. (2004) Carbon-isotopic shifts associated with heterotrophy and biosynthetic pathways in direct- and indirect-developing sea urchins. Marine Ecology Progress Series 275, 139-151.

Walker, R., Mastalerz, M., (2004). Functional group and individual maceral chemistry of high volatile bituminous coals from southern Indiana: controls on coking. International Journal of Coal Geology, 58, 181-191.

Zheng, L., R.J. Stevenson, and C. Craft (2004) Changes in benthic algal attributes during salt marsh restoration. Wetlands. [abstract]

Zhu C. (2004) Coprecipitation in the barite isostructural family: 1. Binary mixing properties. Geochimica et Cosmochimica Acta 68, 3327-3337.

Zhu C. (2004) Coprecipitation in the barite isostructural family: 2. Numerical simulations of precipitation kinetics and reactive transport. Geochimica et Cosmochimica Acta 68, 3339-3349.

Zhu C., A.E. Blum, and D.R. Veblen (2004) Feldspar dissolution rates and clay precipitation in the Navajo aquifer at Black Mesa, Arizona, USA. Proceedings from the 11th Water/Rock Interaction Conference, Saratoga Springs, New York. [ISBN 90-5809-641-6] [oclc 56095841] [google 9058096416]


Bac M.G., K.R. Buck, F.P. Chavez, and S.C. Brassell (2003) Seasonal variation in alkenones, bulk suspended POM, plankton and temperature in Monterey Bay, California: implications for carbon cycling and climate assessment. Organic Geochemistry 34 (6), 837-855.

Bishop, Janice L., Brandy L. Anglen, Lisa M. Pratt, Howell G. M. Edwards, David J. Des Marais, Peter T. Doran (2003) A spectroscopy and isotope study of sediments from the Antarctic Dry Valleys as analogues for potential paleolakes on Mars. International Journal of Astrobiology, volume 2 (4), p. 273-287.

Burlingham B.T., L.M. Pratt, E.R. Davidson, V.J. Shiner Jr., J. Fong, and T.S. Widlanski (2003) 34S isotope effect on sulfate ester hydrolysis: mechanistic implications. Journal of the American Chemical Society 125 (43), 13036 - 13037.

Cooper, D.C., F.W. Picardal, A. Schimmelmann, and A.J. Coby (2003) Chemical and biological interactions during nitrate and goethite reduction by Shewanella putrefaciens 200. Applied and Environmental Microbiology 69 (6), 3517-3525.

Craft C.B., and J.N. Sacco (2003) Long-term succession of benthic infauna communities on constructed Spartina alterniflora marshes. Marine Ecology - Progress Series 257, 45-58. [abstract]

Craft C.B., J.P. Megonigal, S.W. Broome, J. Cornell, R. Freese, R.J Stevenson, L. Zheng, and J. Sacco (2003) The pace of ecosystem development of constructed Spartina alterniflora marshes. Ecological Applications 13,1417-1432. [abstract]

Hasegawa T., L.M. Pratt, H. Maeda, Y. Shigeta, T. Okamoto, T. Kase, and K. Uemura (2003) Upper Cretaceous stable carbon isotope stratigraphy of terrestrial organic matter from Sakhalin, Russian Far East: a proxy for the isotopic composition of paleoatmospheric CO2. Palaeogeography, Palaeoclimatology, Palaeoecology 189 (1-2), 97-115.

Li C., E.M. Ripley, and E.A. Mathez (2003) The effect of S on the partitioning of Ni between olivine and silicate melt in MORB. Chemical Geology 201, 295-306.

Li C., E.M. Ripley, and A.J. Naldrett (2003) Compositional variations of olivine and sulfur isotopes the Noril'sk and Talnakh intrusions, Siberia: Implications for ore forming processes in dynamic magma conduits. Economic Geology 98, 69-86.

Mastalerz M., A. Schimmelmann, J.C. Hower, G. Lis, J. Hatch, and S.R. Jacobson (2003) Chemical and isotopic properties of kukersites from Iowa and Estonia. Organic Geochemistry 34, 1419-1427.

Moser, D.P., T.C. Onstott, J.K. Fredrickson, F.J. Brockman, D.L. Balkwill, G.R. Drake, S.M. Pfiffner, D.C. White, K. Takai, L.M. Pratt, J. Fong, B. Sherwood Lollar, G. Slater, T.J. Phelps, N. Spoelstra, M. Deflaun, G. Southam, A.T. Welty, B.J. Baker, and Hoek, J.. (2003) Temporal shifts in the geochemistry and microbial community structure of an ultradeep mine borehole following isolation. Geomicrobiology Journal 20, 517-548.

Ripley E.M., and C. Li (2003) Sulfur isotopic exchange and metal enrichment in the formation of magmatic Cu-Ni-(PGE) deposits. Economic Geology 98, 635-641.

Ripley E.M., P.D. Lightfoot, C. Li, and E.R. Elswick (2003) Sulfur isotopic studies of continental flood basalts in the Noril'sk region: implications for the association between lavas and ore-bearing intrusions. Geochimica et Cosmochimica Acta 67 (15), 2805-2817.

Schimmelmann A., C.B. Lange, B.L. Meggers (2003) Palaeoclimatic and archaeological evidence for a ~200-yr recurrence of floods and droughts linking California, Mesoamerica and South America over the past 2000 years. The Holocene 13 (5), 763-778.

Sturdevant A., C.B. Craft, and J.N. Sacco (2003) Ecological functions of an impounded marsh and three natural estuarine marshes along Woodbridge River, NY/NJ harbor. Urban Ecosystems 6, 163-181. [abstract]

Tsuchiya K., T. Hasegawa, L.M. Pratt (2003) Stratigraphic relationship between diagnostic carbon isotope profiles and inoceramid biozones from the Yezo Group, Hokkaido, Japan. Journal of the Geological Society of Japan 109, 29-40. (In Japanese with English abstract).

Verkouteren R.M., C.E. Allison, S.A. Studley, and K.J. Leckrone (2003) Isotopic metrology of carbon dioxide. I. Interlaboratory comparison and empirical modeling of inlet equilibration time, inlet pressure, and ion source conductance. Rapid Communications in Mass Spectrometry 17 (8), 771 - 776.

Zhang, C.L., Y.L.Q. Yea, J. Fong, A.D. Peacock, E. Blunt, J. Fang, D.R. Lovley, and D.C. White (2003) Carbon isotope signatures of fatty acids in Geobacter metallireducens and Shewanella algae. Chemical Geology 195 (1-4), 17-28.

Zhu C. (2003) A case against K-d-based transport models: Natural attenuation at a mill tailings site. Computer & Geosciences 29, 351-359.

Zhu C., J.R. Winterle, and E.I. Love (2003) Estimate of Pleistocene and Holocene recharge rates from the chloride mass balance method and chloride-36 data. Water Resources Research 39 (7), 1182.


Avery B., R.D. Shannon, J.R. White, C.S. Martens, and M.J. Alperin (2002) Controls on methane production in a tidal freshwater estuary and a peatland: methane production via acetate fermentation and CO2 reduction. Biogeochemistry 62, 19-37.

Craft, C.B., S.W. Broome, and C.L. Campbell (2002) Fifteen years of vegetation and soil development following brackish-water marsh creation. Restoration Ecology 10,248-258. [abstract]

Craft, C.B., and C. Chiang (2002) Forms and amounts of soil nitrogen and phosphorus across a longleaf pine - depressional wetland landscape. Soil Science Society of America Journal 66,1713-1721. [abstract]

Lo Duca S.T., and L.M. Pratt (2002) Stable carbon isotope compositions of compression fossils from Lower Paleozoic Konservat-Lagerstätten. Palaios 17 (3), 287-291.<0287:SCICOC>2.0.CO;2

Li C., E.M. Ripley, W.D. Maier, and T.E.S. Gomwe (2002) Olivine and sulfur isotopic compositions of the Uitkomst Ni-Cu sulfide ore-bearing complex, South Africa: evidence for sulfur contamination and multiple magma emplacements. Chemical Geology 188, 149-159.

Markewitz, D., F. Sartori. and C. Craft (2002) Soil change and carbon storage in longleaf pine planted on marginal agricultural land. Ecological Applications 12, 1276-1285. [abstract]

Mastalerz M., and A. Schimmelmann (2002) Isotopically exchangeable organic hydrogen in coal relates to thermal maturity and maceral composition. Organic Geochemistry 33, 921-931.

Miller G.H., A.P. Wolfe, E. Steig, P.E. Sauer, M.R. Kaplan, and J.P. Briner (2002) The Goldilocks dilemma: Big ice, little ice, or "just right" ice in the eastern Canadian Arctic. Quaternary Science Reviews 21, 33-48.

Mora G., L.M. Pratt, A. Boom, and H. Hooghiemstra (2002) Biogeochemical characteristics of lacustrine sediments reflecting a changing alpine neotropical ecosystem during the Pleistocene. Quaternary Research 58 (2), 189-196.

Mora G., and L.M. Pratt (2002) Carbon isotopic evidence from paleosols for mixed C3/C4 vegetation in the Bogota Basin, Colombia. Quaternary Science Reviews 21 (8-9), 985-995.

Ripley E.M., J.G. Brophy, and C. Li (2002) Copper solubility in a basaltic melt and sulfide liquid/silicate melt partition coefficients of Cu and Fe. Geochimica et Cosmochimica Acta 66, 2791-2800.

Ripley E.M., C. Li, and D. Shin (2002) Paragneiss assimilation in the genesis of magmatic Ni-Cu-Co sulfide mineralization at Voisey's Bay, Labrador: d34S, d13C, and Se/S evidence. Economic Geology 97, 1307-1318.

Schimmelmann, A., and Randall F. Miller (2002) Review of methods for the determination of deuterium/hydrogen stable isotope ratios in chitin. In: (R.A.A. Muzzarelli and C. Muzzarelli, Eds.) Chitosan in Pharmacy and Chemistry, Atec Edizioni, Italy, p. 469-474. [about the book, and other books on chitin] [oclc 50983740]

Schimmelmann, A., Carina B, Lange, and Hong-Chun Li (2002) Major flood events of the past 2,000 years recorded in Santa Barbara Basin. In: (G.J. West and L.D. Buffaloe, Editors) Proceedings of the Eighteenth Annual Pacific Climate (PACLIM) Workshop, California Department of Water Resources, Technical Report 68 of the Interagency Ecological Program for the San Francisco Estuary, p. 83-103.

Sessions, A.L., L.L. Jahnke, A. Schimmelmann, and J.M. Hayes (2002) Hydrogen isotope fractionation in lipids of the methane-oxidizing bacterium Methylococcus capsulatus. Geochimica et Cosmochimica Acta 66, 3955-3969.

Studley S.A., E.M. Ripley, E.R. Elswick, M.J. Dorais, J. Fong, D. Finkelstein, and L.M. Pratt (2002) Analysis of sulfides in whole rock matrices by elemental analyzer-continuous flow isotope ratio mass spectrometry. Chemical Geology 192, 141-148.

Zhang C.L., Q. Ye, A.-L. Reysenbach, D. Götz, A. Peacock, D.C. White, J. Horita, D.R. Cole, J. Fong, L. Pratt, and Y. Huang (2202) Carbon isotopic fractionations associated with thermophilic bacteria Thermotoga maritima and Persephonella marina. Environmental Microbiology 4 (1),58-64.

Zhu C. and G. Anderson (2002) Environmental Applications of Geochemical Modeling. Cambridge University Press, London, ISBN 0-521-80907-X; 0-521-00577-9 (pb), 304 p. [oclc 47665205] [iucat 052180907X] [google 052180907X]

Zhu C. (2002) Estimation of surface precipitation constants from linear free energy correlation. Chemical Geology 188, 23-32.

Zhu C., G.M. Anderson, and D.S.Burden (2002) Natural attenuation reactions at a uranium mill tailings site, western USA. Ground Water 40, (1-2), 5-13.


Bian L.Q., K.U. Hinrichs, T.M. Xie, S.C. Brassell, H. Iversen, H. Fossing, B.B. Jørgensen, and J.M. Hayes (2001) Algal and archaeal polyisoprenoids in a recent marine sediment: molecular isotopic evidence for anaerobic oxidation of methane. Geochemistry, Geophysics, Geosystems 2, 2000GC000112.

Broome, S.W., C.B. Craft, and W.A. Toomey, Jr. (2001) Soil organic matter effects on infaunal community structure in restored and created tidal marshes. In M.P. Weinstein and D.A. Kreeger (eds.), Concepts and Controversies in Tidal Marsh Ecology. Kluwer Academic Publishers, Dordrecht, The Netherlands pp. 737-747. [ISBN 0-7923-6019-2] [oclc 42923686] [iucat 0792360192] [google 0792360192]

Craft, C.B. (2001) Soil organic carbon, nitrogen and phosphorus as indicators of recovery in restored Spartina marshes. Ecological Restoration 19, 87-91.

Craft, C.B.(2001) Biology of wetland soils. In J.L. Richardson and M.J. Vepraskas (eds.), Wetland Soils: Their Genesis Hydrology, Landscape and Separation into Hydric and Nonhydric Soils. CRC Press, Boca Raton, Florida, pp.107-135. [ISBN 1-56670-484-7] [oclc 44026309] [iucat 1566704847] [google 1566704847]

Craft, C.B. (2001) A functional and structural trajectory (FAST) model to predict wetland ecosystem development: a case study using constructed salt marshes. In J. Vymazal (ed.), Transformations of Nutrients in Natural and Constructed Wetlands. Backhuys Publishers, Leiden, The Netherlands, pp.113-127. [ISBN 90-5782-076-5] [oclc 46878211] [google 9057820765]

Finkelstein D.B., R.L. Hay, and S.P. Altaner (2001) REPLY - Origin and diagenesis of lacustrine sediments in the upper Oligocene Creede Formation. Geological Society of America Bulletin 113 (3), 541-544.<0541:R>2.0.CO;2

Li C., A.J. Naldrett, and E.M. Ripley (2001) Critical factors for the formation of a nickel-copper deposit in an evolved magma system: Lessons from a comparison of the Pants Lake and Voisey's Bay sulfide occurrences in Labrador, Canada. Mineralium Deposita 36, 85-92.

Maynard J.B., E.R. Elswick, and J.C. Hower (2001) Reflectance of dispersed vitrinite in shales hosting Pb-Zn-Cu ore deposits in western Cuba: Comparison with clay crystallinity. International Journal of Coal Geology 47, 161-170.

Mora G., and L.M. Pratt (2001) Isotopic evidence for cooler and drier conditions in the tropical Andes during the last glacial stage. Geology 29, 519-522.<0519:IEFCAD>2.0.CO;2

Park Y.R., and E.M. Ripley (2001) Mechanisms and patterns of O and H isotopic exchange during hydrothermal alteration of the North Shore Volcanic Group and related hypabyssal sills, Midcontinent Rift System, Minnesota. Chemical Geology 172, 331-345.

Ripley E.M., Y.R. Park, D.D. Lambert, and L.R. Frick (2001) Re-Os isotopic composition and PGE contents of Proterozoic Carbonaceous Argillites, Virginia Formation, Northeastern Minnesota. Organic Geochemistry 32, 857-866.

Ripley E.M., Y.R. Park, D.D. Lambert, and L.R. Frick (2001) Re-Os isotopic variations in carbonaceous pelites hosting the Duluth Complex: Implications for metamorphic and metasomatic processes associated with mafic magma chambers. Geochimica et Cosmochimica Acta 65, 2965-2978.

Sauer P.E., T.I. Eglinton, J.M. Hayes, A. Schimmelmann, and A. Sessions (2001) Compound-specific D/H ratios of lipid biomarkers from sediments as a proxy for environmental and climatic conditions. Geochimica et Cosmochimica Acta 65, 213-222.

Sauer P.E., G.H. Miller, and J.T. Overpeck (2001) Oxygen isotope ratios of organic matter in arctic lakes as a paleoclimate proxy: field evidence and laboratory investigations. Journal of Paleolimnology 25, 43-64.

Schimmelmann A., J.-P. Boudou, M.D. Lewan, and R.P. Wintsch (2001) Experimental controls on D/H and 13C/12C ratios of kerogen, bitumen and oil during hydrous pyrolysis. Organic Geochemistry 32, 1009-1018.

Schimmelmann A., M. Lawrence, and E. Michael (2001) Stable isotope ratios of organic H, C, and N in the Miocene Monterey Formation, California. In: The Monterey Formation: From Rocks to Molecules. (C.M. Isaacs and J. Rullkötter, Eds. ), Columbia University Press, New York, p. 86-106. [about the volume] [ISBN 0-231-10585-1 or 0-231-10584-3] [oclc 44633041] [iucat 0231105851] [google 0231105851]

Zhu C., F.Q. Hu, and D.S. Burden (2001) Multi-component reactive transport modeling of natural attenuation of an acid ground water plume at a uranium mill tailings site. Journal of Contaminant Hydrology 52 (1-2), 85-108.

Penn R.L., C. Zhu, H. Xu, and D.R. Veblen, (2001) "Iron oxide" coatings on sand grains from the Atlantic coastal plain: HRTEM characterization. Geology 29 (9), 843-846.<0843:IOCOSG>2.0.CO;2

Zhu C., and D.S. Burden (2001) Mineralogical compositions of aquifer matrix as necessary initial conditions in reactive contaminant transport models. Journal of Contaminant Hydrology 51 (3-4), 145-161.