Organic Geochemistry

Article	Citations
On the validity of position specific carbon isotopic analysis (PSIA) of propane	34
Editorial Board	33
GEOCHEMISTRY ARTICLES – March 2022	31
Complexity of the serpentinization lipidome	29
Exceptionally high contents of rearranged hopanes in a late Permian section, southern Sydney Basin, Australia	21
Direct evidence of gas flushing oil in deep reservoirs: Insight from integrated fluid inclusion analyses	21
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	20
Editorial Board	19
Introduction to Xplorer, Hybrid and Early-Career Virtual Special Issue	19
Environmental controls on the distribution of GDGT molecules in Lake Höglwörth, Southern Germany	18
Differential evolution of extracted bitumen and solid bitumen in a hybrid shale system	18
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)	16
Methylation and demethylation of naphthalene homologs in highly thermal mature sediments	16
In-situ provenance of brGDGTs in peat sediments: A case study from southern China and a comparison of global results	16
Molecular composition of dissolved organic matter in saline lakes of the Qing-Tibetan Plateau	16
Analytical inconsistencies in the measurement and reporting of IP25, IPSO25 and related biomarkers for paleo sea ice reconstruction	15
Editorial Board	15
Geochemistry Articles – July 2024	14
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
Geochemistry Articles – April 2024	14
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	14
Annotation of DOM metabolomes with an ultrahigh resolution mass spectrometry molecular formula library	13
Chemodiversity of soil dissolved organic matter complementally improved by stepwise elution and electrospray ionization modes	13
Comment: Suppression of vitrinite reflectance by bitumen generated from liptinite during hydrous pyrolysis of artificial source rock by Peters et al. (2018)	13
Assessment of branched glycerol monoalkyl glycerol tetraether (brGMGT)-based paleothermometry in the 250,000-year sediment record of Lake Chala, equatorial East Africa	13

Editorial Board	13
Soil chemistry, temperature and bacterial community composition drive brGDGT distributions along a subarctic elevation gradient	13
Robert Alexander Obituary died 28th July 2023 (82 years)	13
Impacts of temperature and fluid seepage on organic matter composition in sediments of an active hydrothermal basin	12
A new empirical approach for rapid quantification of organic and pyritic sulfur in sedimentary rocks using the Rock-Eval 7S	12
Distributions of vanadyl and nickel porphyrins in the Woodford Shale and selective chelation of metal species by different tetrapyrrole configurations	11
Fire-induced shifts in stalagmite organic matter mapped using Synchrotron infrared microspectroscopy	11
Three major types of trimethyl-alkylbenzenes and significance for the genesis of reservoir bitumens from the northwestern Sichuan Basin, South China	11
Variability and composition of amino acids and amino sugars in sediment cores of the Changjiang Estuary	11
Impact of organic carbon reworking upon GDGT temperature proxies during the Paleocene-Eocene Thermal Maximum	10
Generation of carbazoles in Type II-S source rocks: Experimental analysis for kinetic parameters estimation	10
Geochemistry Articles – January 2024	10
Geochemistry Articles – April 2025	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
Practical considerations for amino acid isotope analysis	10
Editorial Board	10
Polycyclic aromatic sulfur heterocycles used as molecular markers in crude oils and source rocks	10
GEOCHEMISTRY ARTICLES – June 2022	10
Organic matter composition and thermal maturity evaluation of Mesoproterozoic source rocks in the Beetaloo Sub-Basin, Australia	10
Mid- to Late-Holocene branched GDGT-based air temperatures from a crater lake in Cameroon (Central Africa)	9
Intramolecular carbon isotopic rollover in propane from natural gas reservoirs of the Santanghu Basin: Insights into chemical structure of kerogen	9
Biomarkers reveal Eocene marine incursions into the Qaidam Basin, north Tibetan Plateau	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
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
Robust determination of kerogen properties in organic-rich mudrocks via Raman Spectroscopy	8
The global distribution of Isoprenoidal Glycerol Dialkyl Diethers (isoGDDs) is consistent with a predominant degradation origin	8
Characterisation of radiogenic monoalkenes in Australian oils and condensate	8
Hydrogen isotope biogeochemistry of plant waxes in paired lake catchments	8
Contribution of abiotic methane polymerization of C2+ hydrocarbons in highly mature natural gas reservoirs	8
Reply to Comment by M.D. Lewan	8
GEOCHEMISTRY ARTICLES – November 2021	8
GEOCHEMISTRY ARTICLES – October 2022	8
Geochemistry Articles – October 2024	8
Seasonality of amino acid enantiomers and microbial communities at MOLA time series in the NW Mediterranean Sea	8
Identifying the drivers of GDGT distributions in alkaline soil profiles within the Serengeti ecosystem	8
High abundances of degraded triterpenoids in Miocene turbiditic sediments of south-central Hokkaido, Japan	8
Editorial Board	7
Geochemical fingerprints of Dongpu Depression crude oils in Bohai Bay Basin, northern China: Insights from biomarkers and isotopic compositions of selected alkylnaphthalenes and alkylphenanthrenes	7
Five series of benzohopanes in early Cretaceous sediments from the Chaoyang Basin, NE China	7
GEOCHEMISTRY ARTICLES – August 2023	7
Impact of biodegradation on methyltrimethyltridecylchromans (MTTCs) in crude oils from the Bohai Bay Basin, China	7
The bacterial influencing mechanisms of salinity fluctuations in a brackish-water lake on the dissolved organic matter characteristics of pore water	7
Editorial Board	7
Triaromatic dinosteroids – Isomeric distributions and their geochemical significance	7
Obituary for Prof. Dr. Dietrich Welte (1935–2025)	7
Geochemical rationalisation for the variable oil quality in the Orcutt reservoir, California, USA	7
Editorial Board	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
Natural and laboratory-induced maturation of kerogen from the Vaca Muerta Formation: A comparison study	6
Interaction between peptide and solid lignin suggest mechanisms of abiotic covalent bond formation	6
A new method for the quantification of hydrogen contribution from water to methane during hydrous kerogen pyrolysis	6
Heterotrophic origin and diverse sources of branched glycerol monoalkyl glycerol tetraethers (brGMGTs) in peats and lignites	6
Solvent effect in Soxhlet extraction of source rocks	6
Compositions, structures, and confined pyrolysis of the alga Chlorella and its nonhydrolyzable fractions	6
Geochemistry Articles – June 2025	6
Impact of water depth on the distributions and proxies of isoprenoidal hydroxylated GDGTs in the Mediterranean Sea and the Red Sea	6
Distribution and carbon isotopic composition of diploptene from epiphytic bryophytes in Wuhan, central China	6
Isoprenoidal GDGTs and GDDs associated with anoxic lacustrine environments	6
Comparing extraction methods for analyzing n-alkyl lipids in shelf sediments from the China Sea	5
C/H isotope fractionation of hydrocarbon gases from hydrogenation of organic matter: Insights from hydrothermal experiments	5
Seasonal temperature dependency of aquatic branched glycerol dialkyl glycerol tetraethers: A mesocosm approach	5
Biodegradation sequence of coal organic matter and mechanism of biomethane formation in secondary biogenic gas accumulation areas	5
Characteristics of n-alkyl lipids in cultivated Sphagnum and their preservation potential in the topsoil of Sphagnum farmlands in southwest China	5
Structural characterization and confined pyrolysis of resistant aliphatic biopolymer derived from cyanobacteria	5
GEOCHEMISTRY ARTICLES – December 2021	5
Re-arranged hopanes and novel re-arranged tricyclic terpanes in Paleozoic rock extracts and oils in the Anadarko Basin, Oklahoma	5
Effects of inorganic sulfur species on hydrocarbon conversion and 34S isotope fractionation during thermal maturation of Type II kerogen	5
The biological source and paleoenvironment implication of rare short-chain lanostanes in alkaline lacustrine sediments	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
Impact of terrestrial organic matter input on distributions of hydroxylated isoprenoidal GDGTs in marine sediments: Implications for OH-isoGDGT-based temperature proxies	5
Characteristics of light hydrocarbons under the superimposed influence of biodegradation and subsequent thermal maturation	5
Correlations between biomarkers of varying bioavailability and putative hydrocarbonoclastic bacteria in an Early-Eocene marlstone sedimentary record	5
Editorial Board	5
Organic geochemical heterogeneity of the Cretaceous Abu Gabra Formation and reassessment of oil sources in the Sufyan sub-basin, Sudan	5
Gas-phase reaction of CH4 and H2S – Evidence from pyrolysis experiments and case study from the Sichuan Basin	5
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	5
Diagenetic fate of glycerol ethers revealed by two novel isoprenoid hydroxyphytanyl glycerol monoethers and non-isoprenoid alkyl glycerol ethers	5
Glycerol dialkyl glycerol tetraether signatures in tropical mesotidal estuary sediments of Qua Iboe River, Gulf of Guinea	5
Geochemistry Articles – September 2023	5
Editorial Board	4
Reservoir oil geochemistry in the northern Western Desert of Egypt – High-resolution mass spectrometry and stable carbon isotope characterization	4
Biomarker signatures in host rocks and their co-occurring fossil plants from northern Scotland	4
Editorial Board	4
Editorial Board	4
Reforestation in northeastern China increased the soil microbial necromass carbon accumulation by influencing glomalin and enzyme activities	4
Diamondoids in petroleum: Their potential as source and maturity indicators	4
Combining Rock-Eval® thermal analysis and thermochemolysis to evaluate the influence of forest management on soil organic matter quality and stability	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
Geochemistry Articles – December 2023	4
Exploring the application of TEX86 and the sources of organic matter in the Antarctic coastal region	4
Dissolved organic matter molecular composition controls potential biodegradability	4
Incorporation of wet gases to kerogen in petroleum formation and evolution	4
A novel protocol for extracting 3-hydroxy fatty acids from soil with microwave-assisted acid digestion	4
Contrasting particulate organic carbon and sediment trophic status in two Antarctic fjords: Hope Bay and Collins Bay	4
Characterizing ecosystem-driven chemical composition differences in natural and drained Finnish bogs using pyrolysis-GC/MS	4
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)”	4
Resource potential of the Proterozoic–Paleozoic Carrara depocentre, South Nicholson region, Australia: Insights from stratigraphic drilling	4
Influence of vegetation type on brGDGTs: Results from surface soils beneath sub-alpine forest and grassland under the same climatic conditions	4
Anisole-based assessment for the quantification of methoxyl groups in lignin-rich biomass	4
A paleoenvironmental and ecological analysis of biomarkers from the Eocene Fossil Basin, Green River Formation, U.S.A.	4
Occurrence and origin of perylene in Paleogene sediments from the Tasmanian Gateway, Australia	4
Structural properties of organic matter in marine-continental transitional shales and impacts on methane accumulation	4
Lacustrine records of Paleocene-Eocene Thermal Maximum (PETM) triggered by volcanic activity	4
Extended chain length alkenoates differentiate three Isochrysidales groups	4
Editorial Board	4
Phase behavior and GOR evolution using a natural maturity series of lacustrine oil-prone shale: Implications from compositional modelling	4
Carbon isotopic composition of leaf wax n-alkanes in mangrove plants along a latitudinal gradient in Brazil	4
GEOCHEMISTRY ARTICLES – April 2021	4
Study on the main controlling factors on the differential accumulation of natural gas in multiple (ultra-)deeply-buried marine strata	3
Distribution and origin of higher diamondoids in the ultra-deep Paleozoic condensates of the Shunbei oilfield in the Tarim Basin, NW China	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
GEOCHEMISTRY ARTICLES – December 2022	3
Climatic and environmentally driven variability in lacustrine brGDGT distributions at local to regional scales in Alaska and northwestern Canada	3
Editorial Board	3
Genetic and source differences of gases in the Middle Permian Qixia and Maokou formations in the Sichuan Basin, SW China	3
Isotopic evidence for the formation of 25-norhopanes via in situ biodegradation in the Permian Lucaogou shales, southern Junggar Basin	3
Dual-pressure pyrolysis apparatus unravelling how fluid and lithostatic pressure matter in hydrocarbon expulsion	3
Editorial Board	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
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
GEOCHEMISTRY ARTICLES – November 2022	3
Editorial Board	3
Editorial Board	3
Exploring the theoretical upper temperature limit of alkenone unsaturation indices: Implications for paleotemperature reconstructions	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
Alkenones in Pleistocene Upper Bed I (1.803–1.900 Ma) sediments from Paleolake Olduvai, Tanzania	3
The impact of precipitation on the distributions of branched tetraethers in alkaline soils	3

A saline lacustrine depositional environment enhances organic matter enrichment in the Permian Lucaogou shales	3
Compound-specific carbon isotope measurements of individual lipid biomarkers from immature Ediacaran rocks of Baltica	3
Modified rapid small-scale fractionation method for quantitatively separating pyrrolic nitrogen compounds, phenols-ketones and carboxylic acids fractions from petroleum	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 – May 2021	3
Revisiting paleoenvironmental analyses and interpretations of organic-rich deposits: The importance of TOC corrections	2
Geochemistry Articles – February 2025	2
Evaluating transformation of marine kerogens from Rock-Eval measurements: B. Confirmation of a scaled thermal maturation path by natural samples	2
An unusual occurrence of hydroxylated isoprenoid GDGTs in forest soils	2
Rainshadow effect on hydrogen isotopes in leaf wax n-Alkanes across the Cascade Mountains of Washington, USA	2
The temporal distributions of seed-plant terpanes in petroleum samples: Implications as oil age-diagnostic biomarkers for crude oils	2
Organic compounds in vent fluids from Yellowstone Lake, Wyoming	2
Geochemistry articles – April 2023	2
Early decomposition and transformation of organic matter in natural and disturbed boreal forests	2
Microbial utilization of recently fixed, plant-derived organic carbon in shallow Holocene and Pleistocene aquifers in Bangladesh	2
Editorial Board	2
Does leaf wax isotopic characterisation of gymnosperms and angiosperms capture environmental gradients in Himalayas?	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
Editorial Board	2
Group 2i Isochrysidales flourishes at exceedingly low growth temperatures (0 to 6 °C)	2
Provenance of organic matter in an intracratonic rift basin: Insights from biomarker distribution in Palaeogene crude oils of Cambay Basin, western India	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
Editorial Board	2
Fluorescence lifetime evolution of crude oils during thermal cracking: Implications from pyrolysis experiments in a closed system	2
Reappraisal of archaeal C20-C25 diether lipid (extended archaeol) origin and use as a biomarker of hypersalinity	2
The occurrence and geochemical origin of 9-alkyl HDBTs substituted by long isoprenoid alkyl chains in crude oil	2
Determination and petroleum geochemical significance of short-chain alkylbenzenes in lacustrine source rocks	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
GEOCHEMISTRY ARTICLES – March 2023	2
Comparison of dissolved organic matter composition from various sorbents using ultra-high resolution mass spectrometry	2
Reproducibility of Rock-Eval® thermal analysis for soil organic matter characterization	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
Assessing tetraether lipids as a paleotemperature proxy on western edge of the Chinese Loess Plateau: A cautionary tale	2
Sedimentary geochemical records of the palaeovegetation and palaeoclimate evolution in the Pinghu Formation, Western Slope Belt, Xihu Sag, East China Sea Basin	2
Soil pH and aridity influence distributions of branched tetraether lipids in grassland soils along an aridity transect	2
Sulfur and nitrogen isotopic composition of Late Permian bark coals: Source identification and associated environmental assessment	2
Geochemistry Articles – March 2024	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
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
Geochemistry Articles – February 2024	2
Thermal stability of freshwater fern Azolla biomarkers as assessed by hydrous pyrolysis	2
Abiotic chlorination of organic matter in the soil environment: A simulation study	2
Computational analysis of the thermodynamic stability and isomeric composition of cholestane	2
Editorial Board	2
Analysis, distribution and evolution of individual carboxylic acids in crude oil during biodegradation	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
Hydrogen and carbon isotope fractionation in modern plant wax n-alkanes from the Falkland Islands	2
GEOCHEMISTRY ARTICLES – January 2023	2
Editorial Board	1
From swamp to sea: Quantifying terrestrial dissolved organic carbon in a tropical shelf sea using hydrogen isotope ratios	1
A new and improved protocol for extraction of intact polar membrane lipids from archaea	1
Molecular and isotope characterization of hydrocarbon products from organic-sulfur-rich mudstones during closed hydrous-pyrolysis	1
Occurrence of tetraester and mixed ether/ester-bound iso-diabolic acid membrane-spanning lipids in acidic, high-elevation mineral soils	1
Evaluation of iGDGT carbon isotope fractionation in high performance liquid chromatography	1
Editorial Board	1
The molecular composition of leaf lipids changes with seasonal gradients in temperature and light among deciduous and evergreen trees in a sub-humid ecosystem	1
GEOCHEMISTRY ARTICLES – April 2022	1
Bacterial reworking of particulate organic matter in a dynamic marginal sea: Implications for carbon sequestration	1
New practical biodegradation proxies based on heteroatom compounds revealed by ESI (−) FT-ICR MS	1
A distinct oil group in the Dongying Depression, Bohai Bay Basin, China: New insights from norcholestane and triaromatic steroid analyses	1
Impacts of natural irradiation on sedimentary organic matter–A review	1
Geochemistry Articles – August 2024	1
Genetic significance of carbon isotope curve types of methane, ethane, and propane in natural gas	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 – June 2024	1
Editorial Board	1
Formation mechanism of thiadiamondoids: evidence from thermochemical sulfate reduction simulation experiments with model compounds	1
Molecular fossil chronicles and geochemical probes of Paleogene coals from Meghalaya, India	1
Group 1 phylogeny and alkenone distributions in a freshwater volcanic lake of northeastern China: Implications for paleotemperature reconstructions	1
Geochemistry articles – August 2022	1
Soil chemistry effect on GDGT abundances and their proxies in soils of the Okavango Delta	1
Nitrogen stable isotope patterns in free and protein-bound amino acids of the anoxygenic phototroph, Rhodopseudomonas palustris	1
GEOCHEMISTRY ARTICLES – November 2023	1
Aryl isoprenoids in severe biodegradation oils from the Miaoxi Depression, Bohai Bay Basin	1
Assessing marine communities and carbon cycling that sustained shallow-marine ecosystems on Silurian, reef-rimmed carbonate platforms	1
Influencing factors of hydrogen isotopic fractionation of light hydrocarbons during evaporation and implications	1
Editorial Board	1
Geochemistry Articles – May 2024	1
Novel oxygenated fossil nor-diterpenoids from Cretaceous amber (South-Western France) as potential markers from Cupressaceae and/or Cheirolepidiaceae	1
Hydroxylated GDGTs-0 in marine methane seep environments: A putative indicator for archaeal methanogenesis	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
On-line hydropyrolysis gas chromatography-mass spectrometry (HyPy-GC–MS) for kerogen-bound biomarkers	1
Editorial Board	1
Branched GDGT source shift identification allows improved reconstruction of an 8,000-year warming trend on Sumatra	1
Editorial Board	1
Spatial distribution of n-alkanes and GDGTs in the central Arctic Ocean during Marine Isotope Stages 1, 2 and 3	1
Generation and decomposition of low-molecular-weight organic acids in hydrous pyrolysis experiments with Opalinus Clay rock	1
Distinct sources of bacterial branched GMGTs in the Godavari River basin (India) and Bay of Bengal sediments	1
GEOCHEMISTRY ARTICLES – September 2022	1
Molecular mechanisms of solid bitumen and vitrinite reflectance suppression explored using hydrous pyrolysis of artificial source rock	1