Organic Geochemistry

Article	Citations
On the validity of position specific carbon isotopic analysis (PSIA) of propane	32
Differential evolution of extracted bitumen and solid bitumen in a hybrid shale system	28
In-situ provenance of brGDGTs in peat sediments: A case study from southern China and a comparison of global results	28
Editorial Board	27
Geochemical analysis of bituminous samples from the Pre-Pottery Neolithic B site of Nahal Efe (Northern Negev, Israel): Earliest evidence in the region and an example of alteration of the Dead Sea bit	23
Complexity of the serpentinization lipidome	22
GEOCHEMISTRY ARTICLES – March 2022	22
Early stages of Type I-S kerogen formation revealed by Rock-Eval® 7S analysis of sediment from a modern halo-alkaline lake (Dziani Dzaha, Mayotte)	21
Molecular composition of dissolved organic matter in saline lakes of the Qing-Tibetan Plateau	19
Methylation and demethylation of naphthalene homologs in highly thermal mature sediments	19
Environmental controls on the distribution of GDGT molecules in Lake Höglwörth, Southern Germany	18
Editorial Board	17
Direct evidence of gas flushing oil in deep reservoirs: Insight from integrated fluid inclusion analyses	17
Geochemistry Articles – April 2024	17
Geochemistry Articles – July 2024	16
Effects of fluid pressure on the occurrence of multi-phase oil and accumulation of light oil and condensate from crude oil cracking: Insights from modified gold tube pyrolysis experiments	16
A new empirical approach for rapid quantification of organic and pyritic sulfur in sedimentary rocks using the Rock-Eval 7S	16
Soil chemistry, temperature and bacterial community composition drive brGDGT distributions along a subarctic elevation gradient	15
Molecular and carbon isotopic evidence for the possible origin of 13α(n-alkyl)-tricyclic terpanes in Mesoproterozoic bitumens from the Yanliao Rift, North China	14
Fire-induced shifts in stalagmite organic matter mapped using Synchrotron infrared microspectroscopy	14
Variability and composition of amino acids and amino sugars in sediment cores of the Changjiang Estuary	14
Comment: Suppression of vitrinite reflectance by bitumen generated from liptinite during hydrous pyrolysis of artificial source rock by Peters et al. (2018)	14
Annotation of DOM metabolomes with an ultrahigh resolution mass spectrometry molecular formula library	14
Robert Alexander Obituary died 28th July 2023 (82 years)	13
Distributions of vanadyl and nickel porphyrins in the Woodford Shale and selective chelation of metal species by different tetrapyrrole configurations	12

Impacts of temperature and fluid seepage on organic matter composition in sediments of an active hydrothermal basin	12
Editorial Board	12
Practical considerations for amino acid isotope analysis	11
Organic matter composition and thermal maturity evaluation of Mesoproterozoic source rocks in the Beetaloo Sub-Basin, Australia	11
Possible explanations for the predominance of tricyclic terpanes over pentacyclic terpanes in oils and rock extracts	11
Chemodiversity of soil dissolved organic matter complementally improved by stepwise elution and electrospray ionization modes	11
Assessment of branched glycerol monoalkyl glycerol tetraether (brGMGT)-based paleothermometry in the 250,000-year sediment record of Lake Chala, equatorial East Africa	11
Polycyclic aromatic sulfur heterocycles used as molecular markers in crude oils and source rocks	11
Biomarkers reveal Eocene marine incursions into the Qaidam Basin, north Tibetan Plateau	10
GEOCHEMISTRY ARTICLES – June 2022	10
Geochemistry Articles – January 2024	10
Impact of organic carbon reworking upon GDGT temperature proxies during the Paleocene-Eocene Thermal Maximum	10
Robust determination of kerogen properties in organic-rich mudrocks via Raman Spectroscopy	10
New approaches to distinguish shale-sourced and coal-sourced gases in petroleum systems	10
Controlling factors and geological applications of the drimane-skeleton compound content and composition of crude oils in complex petroleum systems: New insights from the Western Pearl River Mouth Bas	10
Intramolecular carbon isotopic rollover in propane from natural gas reservoirs of the Santanghu Basin: Insights into chemical structure of kerogen	9
The global distribution of Isoprenoidal Glycerol Dialkyl Diethers (isoGDDs) is consistent with a predominant degradation origin	9
Seasonality of amino acid enantiomers and microbial communities at MOLA time series in the NW Mediterranean Sea	9
Hydrogen isotope biogeochemistry of plant waxes in paired lake catchments	9
Using ToF-SIMS analyses for analysing individual oil inclusions of different fluorescence colours in a single quartz crystal from the Barrandian (Czech Republic)	9
Geochemistry Articles – October 2024	9
Extended series of tricyclic terpanes in the Mesoproterozoic sediments	9
Reply to Comment by M.D. Lewan	9
Editorial Board	9
Bacterial physiology highlighted by the δ13C fractionation of bacteriohopanetetrol isomers	9
Pyrolysis experiments of model compounds to explore carbon isotope fractionation in propane from natural gas	9
Contribution of abiotic methane polymerization of C2+ hydrocarbons in highly mature natural gas reservoirs	9
Characterisation of radiogenic monoalkenes in Australian oils and condensate	8
Geochemical fingerprints of Dongpu Depression crude oils in Bohai Bay Basin, northern China: Insights from biomarkers and isotopic compositions of selected alkylnaphthalenes and alkylphenanthrenes	8
GEOCHEMISTRY ARTICLES – October 2022	8
GEOCHEMISTRY ARTICLES – November 2021	8
Impact of biodegradation on methyltrimethyltridecylchromans (MTTCs) in crude oils from the Bohai Bay Basin, China	8
Identifying the drivers of GDGT distributions in alkaline soil profiles within the Serengeti ecosystem	8
A new method for the quantification of hydrogen contribution from water to methane during hydrous kerogen pyrolysis	7
GEOCHEMISTRY ARTICLES – August 2023	7
Sources and seasonality of long-chain diols in a temperate lake (Lake Geneva)	7
Five series of benzohopanes in early Cretaceous sediments from the Chaoyang Basin, NE China	7
Editorial Board	7
The bacterial influencing mechanisms of salinity fluctuations in a brackish-water lake on the dissolved organic matter characteristics of pore water	7
High abundances of degraded triterpenoids in Miocene turbiditic sediments of south-central Hokkaido, Japan	7
Interaction between peptide and solid lignin suggest mechanisms of abiotic covalent bond formation	7
Geochemical rationalisation for the variable oil quality in the Orcutt reservoir, California, USA	7
Triaromatic dinosteroids – Isomeric distributions and their geochemical significance	7
Editorial Board	6
Heterotrophic origin and diverse sources of branched glycerol monoalkyl glycerol tetraethers (brGMGTs) in peats and lignites	6
Organic geochemical heterogeneity of the Cretaceous Abu Gabra Formation and reassessment of oil sources in the Sufyan sub-basin, Sudan	6
Isoprenoidal GDGTs and GDDs associated with anoxic lacustrine environments	6
The giant barrel sponge Xestospongia muta takes up dissolved organic matter from benthic cyanobacterial mats	6
Fast quantitative analysis of n-alkanes, PAHs and alkenones in sediments	6
GEOCHEMISTRY ARTICLES – July 2021	6

Glycerol dialkyl glycerol tetraether signatures in tropical mesotidal estuary sediments of Qua Iboe River, Gulf of Guinea	6
Editorial Board	6
Impact of water depth on the distributions and proxies of isoprenoidal hydroxylated GDGTs in the Mediterranean Sea and the Red Sea	6
Compositions, structures, and confined pyrolysis of the alga Chlorella and its nonhydrolyzable fractions	6
Solvent effect in Soxhlet extraction of source rocks	6
Distribution and carbon isotopic composition of diploptene from epiphytic bryophytes in Wuhan, central China	6
Natural and laboratory-induced maturation of kerogen from the Vaca Muerta Formation: A comparison study	5
Characteristics of n-alkyl lipids in cultivated Sphagnum and their preservation potential in the topsoil of Sphagnum farmlands in southwest China	5
Comparing extraction methods for analyzing n-alkyl lipids in shelf sediments from the China Sea	5
Impact of terrestrial organic matter input on distributions of hydroxylated isoprenoidal GDGTs in marine sediments: Implications for OH-isoGDGT-based temperature proxies	5
Correlations between biomarkers of varying bioavailability and putative hydrocarbonoclastic bacteria in an Early-Eocene marlstone sedimentary record	5
GEOCHEMISTRY ARTICLES – December 2021	5
Source, composition, and distributional pattern of branched tetraethers in sediments of northern Chinese marginal seas	5
Re-arranged hopanes and novel re-arranged tricyclic terpanes in Paleozoic rock extracts and oils in the Anadarko Basin, Oklahoma	5
Seasonal temperature dependency of aquatic branched glycerol dialkyl glycerol tetraethers: A mesocosm approach	5
Dissolved oxygen concentrations influence the distribution of isoGDGTs in a deep Lake Fuxian in China: Implications for the use of TEX86 in stratified lakes	5
Characteristics of light hydrocarbons under the superimposed influence of biodegradation and subsequent thermal maturation	5
Editorial Board	5
Structural characterization and confined pyrolysis of resistant aliphatic biopolymer derived from cyanobacteria	5
C/H isotope fractionation of hydrocarbon gases from hydrogenation of organic matter: Insights from hydrothermal experiments	5
Geochemistry Articles – September 2023	5
Editorial Board	4
Diagenetic fate of glycerol ethers revealed by two novel isoprenoid hydroxyphytanyl glycerol monoethers and non-isoprenoid alkyl glycerol ethers	4
Characterizing ecosystem-driven chemical composition differences in natural and drained Finnish bogs using pyrolysis-GC/MS	4
Influence of vegetation type on brGDGTs: Results from surface soils beneath sub-alpine forest and grassland under the same climatic conditions	4
Gas-phase reaction of CH4 and H2S – Evidence from pyrolysis experiments and case study from the Sichuan Basin	4
Reservoir oil geochemistry in the northern Western Desert of Egypt – High-resolution mass spectrometry and stable carbon isotope characterization	4
Incorporation of wet gases to kerogen in petroleum formation and evolution	4
Editorial Board	4
GEOCHEMISTRY ARTICLES – April 2021	4
Anisole-based assessment for the quantification of methoxyl groups in lignin-rich biomass	4
Dissolved organic matter molecular composition controls potential biodegradability	4
Occurrence and origin of perylene in Paleogene sediments from the Tasmanian Gateway, Australia	4
The biological source and paleoenvironment implication of rare short-chain lanostanes in alkaline lacustrine sediments	4
A paleoenvironmental and ecological analysis of biomarkers from the Eocene Fossil Basin, Green River Formation, U.S.A.	4
Combining Rock-Eval® thermal analysis and thermochemolysis to evaluate the influence of forest management on soil organic matter quality and stability	4
Geochemistry Articles – December 2023	4
Elucidating the composition of organic matter in water-repellent forest soils using analytical pyrolysis combined with gas chromatography–mass spectrometry (Py-GC–MS)	4
Geochemical constraints on the hydrocarbon generation and expulsion in source rocks with different primary organic matter compositions: A case study on the Lucaogou Formation in the Jimusaer Sag, Jung	4
Effects of inorganic sulfur species on hydrocarbon conversion and 34S isotope fractionation during thermal maturation of Type II kerogen	4
Exploring the application of TEX86 and the sources of organic matter in the Antarctic coastal region	4
Carbon isotopic composition of leaf wax n-alkanes in mangrove plants along a latitudinal gradient in Brazil	4
Genetic and source differences of gases in the Middle Permian Qixia and Maokou formations in the Sichuan Basin, SW China	3
Compound-specific carbon isotope measurements of individual lipid biomarkers from immature Ediacaran rocks of Baltica	3
GEOCHEMISTRY ARTICLES – May 2021	3
Exploring the theoretical upper temperature limit of alkenone unsaturation indices: Implications for paleotemperature reconstructions	3
GEOCHEMISTRY ARTICLES – December 2022	3
Editorial Board	3
Editorial Board	3
Novel methyl-branched alkenones with up to five double bonds in saline lakes	3
Contrasting particulate organic carbon and sediment trophic status in two Antarctic fjords: Hope Bay and Collins Bay	3
Diamondoids in petroleum: Their potential as source and maturity indicators	3
Structural properties of organic matter in marine-continental transitional shales and impacts on methane accumulation	3
Reply to “Discussion on the studies of position-specific carbon isotopes of propane by Li et al. (2018), Zhang et al. (2022) and Shuai et al. (2023)”	3
The impact of precipitation on the distributions of branched tetraethers in alkaline soils	3
Isotopic evidence for the formation of 25-norhopanes via in situ biodegradation in the Permian Lucaogou shales, southern Junggar Basin	3
Corrigendum to “Anomalously low radiocarbon content of modern n-alkanes” [Org. Geochem. 152 (2021) 104170]	3
Discussion on the studies of position-specific carbon isotopes of propane by Li et al. (2018), Zhang et al. (2022) and Shuai et al. (2023)	3
Editorial Board	3
Editorial Board	3
Biosynthetic isotope fractionation negligibly impacts biomarker 14C ages	3
Modified rapid small-scale fractionation method for quantitatively separating pyrrolic nitrogen compounds, phenols-ketones and carboxylic acids fractions from petroleum	3
An optimized accelerated solvent extraction and purification method for enhanced recovery of n-alkanes (notably short-chains) from environmental samples using the conventional dichloromethane/methanol	3
Study on the main controlling factors on the differential accumulation of natural gas in multiple (ultra-)deeply-buried marine strata	3
Resource potential of the Proterozoic–Paleozoic Carrara depocentre, South Nicholson region, Australia: Insights from stratigraphic drilling	3
Phase behavior and GOR evolution using a natural maturity series of lacustrine oil-prone shale: Implications from compositional modelling	3
Biomarker signatures in host rocks and their co-occurring fossil plants from northern Scotland	3
Methane generation from low-maturity coals and shale source rocks at low temperatures (80–120 °C) over 14–38 months	3
Quantification of allochthonous and autochthonous organic carbon in large and shallow Lake Wuliangsu based on distribution patterns and δ13C signatures of n-alkanes	3
Characterisation by ESI FT-ICR MS of heteroatomic compounds in catalytic hydropyrolysates released from marine crude oil asphaltenes	3
Root-derived carbon stocks in formerly deep-ploughed soils – A biomarker-based approach	3
Organic matter composition in sediments recording sea surface phytoplankton community structure in Prydz Bay of Antarctica	3
GEOCHEMISTRY ARTICLES – November 2022	3
Editorial Board	3
Relative thermodynamic stabilities of biomarkers – Evidence from drill-bit metamorphism in the Iving Discovery wells 25/8-19 S & A, Norwegian North Sea	3
Dual-pressure pyrolysis apparatus unravelling how fluid and lithostatic pressure matter in hydrocarbon expulsion	3
Paleoceanographic importance of tri- and di-unsaturated alkenones through the early phase of Cretaceous Oceanic Anoxic Event 2 from southern high latitudes of the proto-Indian Ocean	3
Alkenones in Pleistocene Upper Bed I (1.803–1.900 Ma) sediments from Paleolake Olduvai, Tanzania	3
Extended chain length alkenoates differentiate three Isochrysidales groups	3
Lacustrine records of Paleocene-Eocene Thermal Maximum (PETM) triggered by volcanic activity	3

Climatic and environmentally driven variability in lacustrine brGDGT distributions at local to regional scales in Alaska and northwestern Canada	3
Distribution and origin of higher diamondoids in the ultra-deep Paleozoic condensates of the Shunbei oilfield in the Tarim Basin, NW China	3
Abiotic chlorination of organic matter in the soil environment: A simulation study	2
Comparison of dissolved organic matter composition from various sorbents using ultra-high resolution mass spectrometry	2
GEOCHEMISTRY ARTICLES – March 2023	2
Hydrogen and carbon isotope fractionation in modern plant wax n-alkanes from the Falkland Islands	2
Geochemistry Articles – February 2024	2
Bacteriohopanepolyols and glycerol dialkyl glycerol tetraethers record Holocene redox regime shifts in a marine inlet in eastern Prydz Bay, Antarctica	2
Compound-specific radiocarbon analysis of sedimentary fatty acids: Potential as a dating tool for lake sediments of Mt. Fuji volcanic region, Japan	2
Editorial Board	2
Global sea level changes or local tectonics? Pliocene, Miocene and Oligocene biomarkers in cored sedimentary rocks from IODP Expedition 317, Canterbury Basin, New Zealand	2
Fluorescence lifetime evolution of crude oils during thermal cracking: Implications from pyrolysis experiments in a closed system	2
Molecular and stable carbon isotope geochemistry of mud-gas-derived hydrocarbons and its application for the assessment of low-permeability reservoirs from the Montney Formation, Western Canada	2
Early decomposition and transformation of organic matter in natural and disturbed boreal forests	2
Rainshadow effect on hydrogen isotopes in leaf wax n-Alkanes across the Cascade Mountains of Washington, USA	2
Determination and petroleum geochemical significance of short-chain alkylbenzenes in lacustrine source rocks	2
Sedimentary geochemical records of the palaeovegetation and palaeoclimate evolution in the Pinghu Formation, Western Slope Belt, Xihu Sag, East China Sea Basin	2
The temporal distributions of seed-plant terpanes in petroleum samples: Implications as oil age-diagnostic biomarkers for crude oils	2
Editorial Board	2
Editorial Board	2
The stable sulfur isotope and abundance fluxes of reduced inorganic sulfur and organic sulfur phases recorded in the Permian-Triassic transition of the Meishan type section	2
Hydrogen isotope fractionation during aromatization to form alkylnaphthalene: Insights from pyrolysis experiments of 1-n-butyldecalin	2
Distribution, occurrence and identification of dibenzofuran, benzo[b]naphthofurans and their alkyl derivatives in Gippsland Basin source rocks	2
GEOCHEMISTRY ARTICLES – January 2023	2
An unusual occurrence of hydroxylated isoprenoid GDGTs in forest soils	2
Molecular and stable isotope analysis (δ13C, δ2H) of sedimentary n-alkanes in the St. Lawrence Estuary and Gulf, Quebec, Canada: Importance of even numbered n-alkanes in coastal systems	2
Editorial Board	2
Archaeal lipid diversity, alteration, and preservation at the Cathedral Hill deep sea hydrothermal vent, Guaymas Basin, Gulf of California, and its implications regarding the deep time preservation pa	2
Soil pH and aridity influence distributions of branched tetraether lipids in grassland soils along an aridity transect	2
Evaluating transformation of marine kerogens from Rock-Eval measurements: B. Confirmation of a scaled thermal maturation path by natural samples	2
The occurrence and geochemical origin of 9-alkyl HDBTs substituted by long isoprenoid alkyl chains in crude oil	2
Analysis, distribution and evolution of individual carboxylic acids in crude oil during biodegradation	2
Geochemistry articles – April 2023	2
Revisiting paleoenvironmental analyses and interpretations of organic-rich deposits: The importance of TOC corrections	2
Microbial utilization of recently fixed, plant-derived organic carbon in shallow Holocene and Pleistocene aquifers in Bangladesh	2
Assessing tetraether lipids as a paleotemperature proxy on western edge of the Chinese Loess Plateau: A cautionary tale	2
Organic compounds in vent fluids from Yellowstone Lake, Wyoming	2
Sulfur and nitrogen isotopic composition of Late Permian bark coals: Source identification and associated environmental assessment	2
Does leaf wax isotopic characterisation of gymnosperms and angiosperms capture environmental gradients in Himalayas?	2
Geochemistry Articles – March 2024	2
Bacteriohopanepolyols signature in sediments of the East China Sea and its indications for hypoxia and organic matter sources	2
Reappraisal of archaeal C20-C25 diether lipid (extended archaeol) origin and use as a biomarker of hypersalinity	2
Computational analysis of the thermodynamic stability and isomeric composition of cholestane	2
Provenance of organic matter in an intracratonic rift basin: Insights from biomarker distribution in Palaeogene crude oils of Cambay Basin, western India	2
Reproducibility of Rock-Eval® thermal analysis for soil organic matter characterization	2
Hydroxylated GDGTs-0 in marine methane seep environments: A putative indicator for archaeal methanogenesis	1
Geochemistry Articles – May 2024	1
Distinct sources of bacterial branched GMGTs in the Godavari River basin (India) and Bay of Bengal sediments	1
Molecular fossil chronicles and geochemical probes of Paleogene coals from Meghalaya, India	1
Role of aromatic and non-protonated aromatic carbon in the stability of soil organic matter	1
Aliphatic hydrocarbons in the lichen class Lecanoromycetes and their potential use as chemotaxonomic indicators and biomarkers	1
The δ13C composition and genetic origin of a series straight long-chain alkyl naphthalene isomer pairs in the Upper Cretaceous lacustrine sediments of Songliao Basin, China	1
Improved light hydrocarbons collection method for the pyrolysis of crude oil in gold tube closed system experiments	1
GEOCHEMISTRY ARTICLES – October 2023	1
A distinct oil group in the Dongying Depression, Bohai Bay Basin, China: New insights from norcholestane and triaromatic steroid analyses	1
GEOCHEMISTRY ARTICLES – September 2022	1
Experimental evidence suggests dominance of species effect on the variability in hydrogen isotope fractionation between leaf wax compounds and source water	1
GEOCHEMISTRY ARTICLES – October 2021	1
Large-scale accumulation of abiotic gases associated with subduction and volcanic activities in rift basins in eastern China	1
Geochemistry Articles – June 2024	1
Molecular mechanisms of solid bitumen and vitrinite reflectance suppression explored using hydrous pyrolysis of artificial source rock	1
A new and improved protocol for extraction of intact polar membrane lipids from archaea	1
Quantitative analysis of carbazoles and hydrocarbons in condensates and oils using comprehensive GC–MS/MS and comparative GC–MS analyses	1
Editorial Board	1
Validation of the U37	1
Genetic significance of carbon isotope curve types of methane, ethane, and propane in natural gas	1
Influencing factors of hydrogen isotopic fractionation of light hydrocarbons during evaporation and implications	1
Editorial Board	1
GEOCHEMISTRY ARTICLES – September 2021	1
Geochemistry Articles – August 2024	1
Novel oxygenated fossil nor-diterpenoids from Cretaceous amber (South-Western France) as potential markers from Cupressaceae and/or Cheirolepidiaceae	1
Effects of digestate application, winter crop species and development on dissolved organic matter composition along the soil profile	1
Formation mechanism of thiadiamondoids: evidence from thermochemical sulfate reduction simulation experiments with model compounds	1
From swamp to sea: Quantifying terrestrial dissolved organic carbon in a tropical shelf sea using hydrogen isotope ratios	1
Impacts of natural irradiation on sedimentary organic matter–A review	1
Evolution of kerogen structure during the carbonization stage	1
Sediment organic matter compositional changes in a tropical rift lake as a function of water depth and distance from shore	1
Pairing plant-wax H and C isotopes with lake-area – A method for evaluating the local amount effect in northern China during the late Quaternary	1
GEOCHEMISTRY ARTICLES – March 2021	1
Field and laboratory study on the distribution, fate and transport of polycyclic aromatic hydrocarbons in the loess porous medium at a refinery polluted site: Understanding the soil-groundwater interf	1
Soil chemistry effect on GDGT abundances and their proxies in soils of the Okavango Delta	1
Unravelling the impact of lithofacies on the composition of NSO compounds in residual and expelled fluids of the Barnett, Niobrara and Posidonia formations	1
Assessing marine communities and carbon cycling that sustained shallow-marine ecosystems on Silurian, reef-rimmed carbonate platforms	1
Editorial Board	1
Group 2i Isochrysidales flourishes at exceedingly low growth temperatures (0 to 6 °C)	1
Characterization of crude oils derived from carbonate and siliciclastic source rocks using FTICR-MS	1