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Publications for publication type Article and publication subtype Journal Article

• Reply to Comment by M.D. Lewan, 2023, Organic Geochemistry (181) -
• Mapping ancient sedimentary organic matter molecular structure at nanoscales using optical photothermal infrared spectroscopy, 2023, Organic Geochemistry (177) -
• Molecular mechanisms of solid bitumen and vitrinite reflectance suppression explored using hydrous pyrolysis of artificial source rock, 2022, Organic Geochemistry (165) -
• Comparability and reproducibility of biomarker ratio values measured by GC-QQQ-MS, 2020, Organic Geochemistry (150) -
• Hydrous heating experiments at 130°C yield insights into the occurrence of hydrogen sulfide and light alkanes in natural gas reservoirs, 2019, Organic Geochemistry (137) -
• Geochemistry of a thermally immature Eagle Ford Group drill core in central Texas, 2019, Organic Geochemistry (131) -
• Suppression of vitrinite reflectance by bitumen generated from liptinite during hydrous pyrolysis of artificial source rock, 2018, Organic Geochemistry (125) -
• Experimental investigation of the role of rock fabric in gas generation and expulsion during thermal maturation: Anhydrous closed-system pyrolysis of a bitumen-rich Eagle Ford Shale, 2018, Organic Geochemistry (119) -
• Evidence for major input of riverine organic matter into the ocean, 2018, Organic Geochemistry (116) -
• Organic petrology and micro-spectroscopy of Tasmanites microfossils: Applications to kerogen transformations in the early oil window, 2017, Organic Geochemistry (114) -
• Historical changes in organic matter input to the muddy sediments along the Zhejiang-Fujian Coast, China over the past 160 years, 2017, Organic Geochemistry (111) -
• Effects of thermal maturation and thermochemical sulfate reduction on compound-specific sulfur isotopic compositions of organosulfur compounds in Phosphoria oils from the Bighorn Basin, USA, 2017, Organic Geochemistry (103) -
• Impact of formation water geochemistry and crude oil biodegradation on microbial methanogenesis, 2016, Organic Geochemistry (98) -
• Asphaltene content and composition as a measure of Deepwater Horizon oil spill losses within the first 80 days, 2014, Organic Geochemistry (75) -
• The use of solvent extractions and solubility theory to discern hydrocarbon associations in coal, with application to the coal-supercritical CO₂ system, 2014, Organic Geochemistry (73) -
• Differentiation of pre-existing trapped methane from thermogenic methane in an igneous-intruded coal by hydrous pyrolysis, 2014, Organic Geochemistry (67) -
• Multivariate analysis of ATR-FTIR spectra for assessment of oil shale organic geochemical properties, 2013, Organic Geochemistry (63) -
• Fifty years of IMOG (International Meetings on Organic Geochemistry), 2012, Organic Geochemistry (53) -
• Structural stability of coprecipitated natural organic matter and ferric iron under reducing conditions, 2012, Organic Geochemistry (48) -
• Organic geochemistry and petrology of subsurface Paleocene-Eocene Wilcox and Claiborne Group coal beds, Zavala County, Maverick Basin, Texas, USA, 2012, Organic Geochemistry (46) -
• Effect of organic-matter type and thermal maturity on methane adsorption in shale-gas systems, 2012, Organic Geochemistry (47) -
• Role of water in hydrocarbon generation from Type-I kerogen in Mahogany oil shale of the Green River Formation, 2011, Organic Geochemistry (42) - 1
• Carbon and hydrogen isotopic reversals in deep basin gas: Evidence for limits to the stability of hydrocarbons, 2010, Organic Geochemistry (41) - 12
• Comparison of XAD with other dissolved lignin isolation techniques and a compilation of analytical improvements for the analysis of lignin in aquatic settings, 2010, Organic Geochemistry (41) - 5
• Organic intermediates in the anaerobic biodegradation of coal to methane under laboratory conditions, 2010, Organic Geochemistry (41) - 9
• N-15 NMR spectra of naturally abundant nitrogen in soil and aquatic natural organic matter samples of the International Humic Substances Society, 2009, Organic Geochemistry (40) - 4
• Comparison of natural gases accumulated in Oligocene strata with hydrous pyrolysis gases from Menilite Shales of the Polish Outer Carpathians, 2009, Organic Geochemistry (40) - 7
• Assessing the contribution of wetlands and subsided islands to dissolved organic matter and disinfection byproduct precursors in the Sacramento-San Joaquin River Delta: A geochemical approach, 2008, Organic Geochemistry (39) - 9
• Restoration of Circum-Arctic Upper Jurassic source rock paleolatitude based on crude oil geochemistry, 2008, Organic Geochemistry (39) - 8
• Distinguishing solid bitumens formed by thermochemical sulfate reduction and thermal chemical alteration, 2008, Organic Geochemistry (39) - 8
• Origins of organic geochemistry, 2008, Organic Geochemistry (39) - 8
• Increasing maturity of kerogen type II reflected by alkylbenzene distribution from pyrolysis-gas chromatography-mass spectrometry, 2008, Organic Geochemistry (39) - 4
• Role of NSO compounds during primary cracking of a Type II kerogen and a Type III lignite, 2008, Organic Geochemistry (39) - 1
• De-convoluting mixed crude oil in Prudhoe Bay Field, North Slope, Alaska, 2008, Organic Geochemistry (39) - 6
• Geochemical signatures of thermochemical sulfate reduction in controlled hydrous pyrolysis experiments, 2008, Organic Geochemistry (39) - 3
• Thermal stability of ladderane lipids as determined by hydrous pyrolysis, 2008, Organic Geochemistry (39) - 12
• Characterization of the origin of coalbed gases in southeastern Illinois Basin by compound-specific carbon and hydrogen stable isotope ratios, 2007, Organic Geochemistry (38) - 2
• An evaluation of petrogenic hydrocarbons in northern Gulf of Alaska continental shelf sediments - The role of coastal oil seep inputs, 2007, Organic Geochemistry (38) - 4
• The abundance and distribution of diamondoids in biodegraded oils from the San Joaquin Valley: Implications for biodegradation of diamondoids in petroleum reservoirs, 2007, Organic Geochemistry (38) - 11
• Diamondoid hydrocarbons as a molecular proxy for thermal maturity and oil cracking: Geochemical models from hydrous pyrolysis, 2007, Organic Geochemistry (38) - 2
• Bacterial biomarkers thermally released from dissolved organic matter, 2006, Organic Geochemistry (37) - 5
• Carbon isotopic fractionation of CH4 and CO2 during canister desorption of coal, 2006, Organic Geochemistry (37) - 2
• D/H ratios and hydrogen exchangeability of type-II kerogens with increasing thermal maturity, 2006, Organic Geochemistry (37) - 3
• FTIR absorption indices for thermal maturity in comparison with vitrinite reflectance R0 in type-II kerogens from Devonian black shales, 2005, Organic Geochemistry (36) - 11
• Geochemical characterization of tarballs on beaches along the California coast. Part I - Shallow seepage impacting the Santa Barbara Channel Islands, Santa Cruz, Santa Rosa and San Miguel, 2004, Organic Geochemistry (35) - 6
• Characterizing thermogenic coalbed gas from Polish coals of different ranks by hydrous pyrolysis, 2004, Organic Geochemistry (35) - 5
• Insights into oil cracking based on laboratory experiments, 2003, Organic Geochemistry (34) - 12
• Comparison of artificial maturation of lignite in hydrous and nonhydrous conditions, 2003, Organic Geochemistry (34) - 4
• Chemical and isotopic properties of kukersites from Iowa and Estonia, 2003, Organic Geochemistry (34) - 10
• Early developments in petroleum geochemistry, 2002, Organic Geochemistry (33) - 9
• Isotopically exchangeable organic hydrogen in coal relates to thermal maturity and maceral composition, 2002, Organic Geochemistry (33) - 8
• History of the recognition of organic geochemistry in geoscience, 2002, Organic Geochemistry (33) - 4
• Comparison of petroleum generation kinetics by isothermal hydrous and nonisothermal open-system pyrolysis, 2002, Organic Geochemistry (33) - 12
• A model for lignin alteration - Part II: Numerical model of natural gas generation and application to the Piceance Basin, Western Colorado, 2001, Organic Geochemistry (32) - 9
• A model for lignin alteration - Part I: A kinetic reaction-network model, 2001, Organic Geochemistry (32) - 9
• Geochemical evidence for mudstone as the possible major oil source rock in the Jurassic Turpan Basin, Northwest China, 2001, Organic Geochemistry (32) - 9
• Experimental controls on D/H and 13C/12C ratios of kerogen, bitumen and oil during hydrous pyrolysis, 2001, Organic Geochemistry (32) - 8
• Response to comment by Bence et al., 2000, Organic Geochemistry (31) - 9
• Organic geochemistry in Pennsylvanian tidally influenced sediments from SW Indiana, 1999, Organic Geochemistry (30) - 1
• A thermal and chemical degradation approach to decipher pristane and phytane precursors in sedimentary organic matter, 1999, Organic Geochemistry (30) - 9
• Carbon isotopic constraints on the contribution of plant material to the natural precursors of trihalomethanes, 1999, Organic Geochemistry (30) - 8 A
• Artificial maturation of an immature sulfur- and organic matter-rich limestone from the Ghareb Formation, Jordan, 1998, Organic Geochemistry (28) - 7-8
• Release of sulfur- and oxygen-bound components from a sulfur-rich kerogen during simulated maturation by hydrous pyrolysis, 1998, Organic Geochemistry (29) - 8
• Biodegradation of the chitin-protein complex in crustacean cuticle, 1998, Organic Geochemistry (28) - 1-2
• In situ FTIR and flash pyrolysis/GC-MS characterization of Protosalvinia (Upper Devonian, Kentucky, USA): Implications for maceral classification, 1998, Organic Geochemistry (28) - 1-2
• Kerogen maturation and incipient graphitization of hydrocarbon source rocks in the Arkoma Basin, Oklahoma and Arkansas: A combined petrographic and Raman spectrometric study, 1998, Organic Geochemistry (28) - 9-10
• Biodegradation of crude oil into nonvolatile organic acids in a contaminated aquifer near Bemidji, Minnesota, 1998, Organic Geochemistry (29) - 4
• Carbon isotope systematics of individual hydrocarbons in hydrothermal petroleum from Escanaba Trough, Northeastern Pacific Ocean, 1997, Organic Geochemistry (26) - 7-8
• Rotational reflectance of dispersed vitrinite from the Arkoma basin, 1997, Organic Geochemistry (26) - 3-4
• Organic geochemistry applied to environmental assessments of Prince William Sound, Alaska, after the Exxon Valdez oil spill—a review, 1996, Organic Geochemistry (24) - 1
• A geochemical study of macerals from a Miocene lignite and an Eocene bituminous coal, Indonesia, 1996, Organic Geochemistry (24) - 5
• Organic geochemistry and petrology of oil source rocks, Carpathian Overthrust region, southeastern Poland - Implications for petroleum generation, 1996, Organic Geochemistry (24) - 8-9
• Elemental composition and molecular structure of Botryococcus alginite in Westphalian cannel coals from Kentucky, 1996, Organic Geochemistry (24) - 3
• Geochemistry of the alginite and amorphous organic matter from type II-S kerogens, 1996, Organic Geochemistry (24) - 5
• Petrography and geochemistry of the San Miguel lignite, Jackson Group (Eocene), south Texas, 1996, Organic Geochemistry (24) - 2
• The minimal response to contact metamorphism by the Devonian Buchan Caves Limestone, Buchan Rift, Victoria, Australia, 1995, Organic Geochemistry (22) - 1
• A review of the geochemistry of methane in natural gas hydrate, 1995, Organic Geochemistry (23) - 11-12
• Comparison of the petrography, palynology, and paleobotany of the Little Fire Creek coal bed, southwestern Virginia, USA, 1995, Organic Geochemistry (22) - 1
• Thermal history of the periphery of the Junggar Basin, Northwestern China, 1994, Organic Geochemistry (21) - 3-4
• Thermal history of the periphery of the Junggar Basin, Northwestern China, 1994, Organic Geochemistry (21) - 3-4
• Relationships between data from Rock-Eval pyrolysis and proximate, ultimate, petrographic, and physical analyses of 142 diverse U.S. coal samples, 1994, Organic Geochemistry (21) - 1
• Laboratory simulation of hydrothermal petroleum formation from sediment in Escanaba Trough, offshore from northern California, 1994, Organic Geochemistry (22) - 6
• Geochemical changes in crude oil spilled from the Exxon Valdez supertanker into Prince William Sound, Alaska, 1994, Organic Geochemistry (21) - 8-9
• Comparison of 14C ages of hydrothermal petroleums, 1994, Organic Geochemistry (21) - 5
• Geochemical evaluation of upper cretaceous fruitland formation coals, San Juan Basin, New Mexico and Colorado, 1993, Organic Geochemistry (20) - 4
• Rotational reflectance properties of Arkoma Basin dispersed vitrinite: insights for understanding reflectance populations in high thermal maturity regions, 1993, Organic Geochemistry (20) - 2
• Differentiation of volcanic ash-fall and water-borne detrital layers in the Eocene Senakin coal bed, Tanjung Formation, Indonesia, 1993, Organic Geochemistry (20) - 2
• Comparison of the petrography, palynology and paleobotany of the Stockton coal bed, West Virginia and implications for paleoenvironmental interpretations, 1993, Organic Geochemistry (20) - 2
• SEM-EDX and isotope characterization of the organic sulfur in macerals and chars in Illinois Basin coals, 1993, Organic Geochemistry (20) - 2
• Rock-eval pyrolysis and vitrinite reflectance trends in the Cleveland Shale Member of the Ohio Shale, eastern Kentucky, 1993, Organic Geochemistry (20) - 6
• Factors affecting the geochemistry of a thick, subbituminous coal bed in the Powder River Basin: volcanic, detrital, and peat-forming processes, 1993, Organic Geochemistry (20) - 6
• An empirical determination of the minimum number of measurements needed to estimate the mean random vitrinite reflectance of disseminated organic matter, 1993, Organic Geochemistry (20) - 6
• Isolation of hydrophilic organic acids from water using nonionic macroporous resins, 1992, Organic Geochemistry (18) - 4
• The influence of pressure on petroleum generation and maturation as suggested by aqueous pyrolysis, 1992, Organic Geochemistry (19) - 1-3
• Quantitative solid-state 13C nuclear magnetic resonance spectrometric analyses of wood xylen: effect of increasing carbohydrate content, 1992, Organic Geochemistry (18) - 4
• Hydrous pyrolysis of crude oil in gold-plated reactors, 1992, Organic Geochemistry (18) - 5
• Petrography of Permian "Gondwana" coals from boreholes in northwestern Bangladesh, based on semiautomated reflectance scanning, 1991, Organic Geochemistry (17) - 4
• Studies of a peatified angiosperm log cross section from Indonesia by nuclear magnetic resonance spectroscopy and analytical pyrolysis, 1991, Organic Geochemistry (17) - 1
• The effect of sample hydration on 13C CPMAS NMR spectra of fulvic acids, 1991, Organic Geochemistry (17) - 3
• Organic petrology of epi-impsonite at Page, Oklahoma, U.S.A., 1991, Organic Geochemistry (17) - 2
• Organic matter variations in transgressive and regressive shales, 1991, Organic Geochemistry (17) - 4
• Variation of organic sulfur in macerals of selected Illinois Basin coals, 1991, Organic Geochemistry (17) - 4
• Examination of micrinite concentrates from the Cannel City coal bed of eastern Kentucky: proposed mechanism of formation, 1991, Organic Geochemistry (17) - 4
• Volcanic ash dispersed in the Wyodak-Anderson coal bed, Powder River Basin, Wyoming, 1991, Organic Geochemistry (17) - 4
• Oil-generating coals of the San Juan Basin, New Mexico and Colorado, U.S.A., 1991, Organic Geochemistry (17) - 6
• Origin and migration of hydrocarbon gases and carbon dioxide, Bekes Basin, southeastern Hungary, 1990, Organic Geochemistry (15) - 3
• Solid-state 13C nuclear magnetic resonance studies of coalified gymnosperm xylem tissue from Australian brown coals, 1989, Organic Geochemistry (14) - 2
• Carbon isotope effects associated with autotrophic acetogenesis, 1989, Organic Geochemistry (14) - 4
• Solid-state 13C NMR studies of a large fossil gymnosperm from the Yallourn Open Cut, Latrobe Valley, Australia, 1989, Organic Geochemistry (14) - 6
• The effects of volcanic ash on the maceral and chemical composition of the C coal bed, Emery Coal Field, Utah, 1989, Organic Geochemistry (14) - 3
• Spectroscopic evidence for organic diacid complexation with dissolved silica in aqueous systems—I. Oxalic acid, 1989, Organic Geochemistry (14) - 5
• Low molecular weight species in humic and fulvic fractions, 1988, Organic Geochemistry (12) - 1
• Petrographic characteristics of the Wyodak-Anderson coal bed (Paleocene), Powder River Basin, Wyoming, U.S.A., 1988, Organic Geochemistry (12) - 4
• Detection of tannins in modern and fossil barks and in plant residues by high-resolution solid-state 13C nuclear magnetic resonance, 1988, Organic Geochemistry (12) - 6
• The molecular composition of ambers, 1988, Organic Geochemistry (13) - 4-6
• Sedimentary biomarker and isotopic indicators of the paleoclimatic history of the Walker Lake basin, western Nevada, 1988, Organic Geochemistry (13) - 4-6
• Organic geothermometry of petroleum from Escanaba Trough, offshore northern California, 1988, Organic Geochemistry (13) - 1-3
• Chemical structural studies of natural lignin by dipolar dephasing solid-state 13C nuclear magnetic resonance, 1987, Organic Geochemistry (11) - 1
• Multiple sources of alkanes in Quaternary oceanic sediment of Antarctica, 1987, Organic Geochemistry (11) - 4
• Solid-state 13C NMR studies of dissolved organic matter in pore waters from different depositional environments, 1987, Organic Geochemistry (11) - 2
• Presence and potential significance of aromatic-ketone groups in aquatic humic substances, 1987, Organic Geochemistry (11) - 4
• Size and maceral association of pyrite in Illinois coals and their float-sink fractions, 1987, Organic Geochemistry (11) - 5
• Methylation patterns of aquatic humic substances determined by 13C NMR spectroscopy, 1987, Organic Geochemistry (11) - 3
• Geochemical correlation of surface and subsurface oils, western Greece, 1986, Organic Geochemistry (10) - 1-3
• Oil-source correlation study in northeastern Alaska, 1986, Organic Geochemistry (10) - 1-3
• Cyclic terpenoids of contemporary resinous plant detritus and of fossil woods, ambers and coals, 1986, Organic Geochemistry (10) - 4-6
• New aromatic biomarkers and possible maturity indicators found in New Albany Shale extracts, 1986, Organic Geochemistry (9) - 6
• Temperature effects on kerogen and on molecular and isotopic composition of organic matter in Pierre Shale near an igneous dike, 1986, Organic Geochemistry (10) - 1-3
• Mechanistic roles of soil humus and minerals in the sorption of nonionic organic compounds from aqueous and organic solutions, 1985, Organic Geochemistry (8) - 1
• Organic geochemical characterization of the New Albany Shale group in the Illinois Basin, 1985, Organic Geochemistry (8) - 6
• Preparation, homogenization, and storage of earth standards used and distributed by the International Humic Substances Society, 1985, Organic Geochemistry (8) - 1
• Carbon isotope fractionation of sapropelic organic matter during early diagenesis, 1984, Organic Geochemistry (5) - 4
• Geology of the Devonian black shales of the Appalachian Basin, 1984, Organic Geochemistry (5) - 4
• Stereochemical studies of acyclic isoprenoids-XII. Lipids of methanogenic bacteria and possible contributions to sediments, 1984, Organic Geochemistry (6) - C
• Proton and metal ion binding to natural organic polyelectrolytes-I. Studies with synthetic model compounds, 1984, Organic Geochemistry (7) - 3-4
• Geochemistry of a naturally occurring massive marine gas hydrate, 1984, Organic Geochemistry (6) - C
• Coalification of organic matter in coal balls of the Pennsylvanian (upper Carboniferous) of the Illinois Basin, United States, 1984, Organic Geochemistry (5) - 4
• Accumulation of organic matter in Cretaceous oxygen-deficient depositional environments in the central Pacific Ocean, 1984, Organic Geochemistry (7) - 1
• Proton and metal ion binding to natural organic polyelectrolytes-II. Preliminary investigation with a peat and a humic acid, 1984, Organic Geochemistry (7) - 3-4
• The Kingak shale of northern Alaska-regional variations in organic geochemical properties and petroleum source rock quality, 1984, Organic Geochemistry (6) - C
• Solubility of crude oil in methane as a function of pressure and temperature, 1983, Organic Geochemistry (4) - 3-4
• Organic geochemistry and pore water chemistry of sediments from Mangrove Lake, Bermuda, 1982, Organic Geochemistry (4) - 2
• Characterization of dissolved organic materials in surface waters within the blast zone of Mount St Helens, Washington, 1982, Organic Geochemistry (4) - 2
• Molecular size of aquatic humic substances, 1982, Organic Geochemistry (4) - 1
• Nuclear magnetic resonance studies of ancient buried wood-II. Observations on the origin of coal from lignite to bituminous coal, 1982, Organic Geochemistry (4) - 1
• Aliphatic structure of humic acids; a clue to their origin, 1981, Organic Geochemistry (3) - 1-2
• Nuclear magnetic resonance studies of ancient buried wood-I. Observations on the origin of coal to the brown coal stage, 1981, Organic Geochemistry (3) - 1-2
• Organic geochemistry of the 9.6 km Bertha Rogers No. 1. well, Oklahoma, 1981, Organic Geochemistry (3) - 3
• Use of solid-state 13C NMR in structural studies of humic acids and humin from Holocene sediments, 1980, Organic Geochemistry (2) - 2
• Coal depositional models in some Tertiary and Cretaceous coal fields in the U.S. Western Interior, 1979, Organic Geochemistry (1) - 4
• The organic geochemistry of black sedimentary barite: significance and implications of trapped fatty acids, 1977, Organic Geochemistry (1) - 1