Organic Geochemistry

Article	Citations
On the validity of position specific carbon isotopic analysis (PSIA) of propane	35
Editorial Board	35
GEOCHEMISTRY ARTICLES – March 2022	32
Complexity of the serpentinization lipidome	32
Environmental controls on the distribution of GDGT molecules in Lake Höglwörth, Southern Germany	24
Differential evolution of extracted bitumen and solid bitumen in a hybrid shale system	22
Analytical inconsistencies in the measurement and reporting of IP25, IPSO25 and related biomarkers for paleo sea ice reconstruction	21
Exceptionally high contents of rearranged hopanes in a late Permian section, southern Sydney Basin, Australia	19
Direct evidence of gas flushing oil in deep reservoirs: Insight from integrated fluid inclusion analyses	19
Methylation and demethylation of naphthalene homologs in highly thermal mature sediments	19
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)	18
Editorial Board	18
Assessing the reliability of H-brGDGTs as terrestrial paleothermometers in Plio-Pleistocene fluvio-lacustrine deposits from Northern China	18
Introduction to Xplorer, Hybrid and Early-Career Virtual Special Issue	17
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	16
Molecular composition of dissolved organic matter in saline lakes of the Qing-Tibetan Plateau	16
In-situ provenance of brGDGTs in peat sediments: A case study from southern China and a comparison of global results	16
Editorial Board	15
Fire-induced shifts in stalagmite organic matter mapped using Synchrotron infrared microspectroscopy	15
Geochemistry Articles – April 2024	15
Three major types of trimethyl-alkylbenzenes and significance for the genesis of reservoir bitumens from the northwestern Sichuan Basin, South China	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
Editorial Board	13
Distributions of vanadyl and nickel porphyrins in the Woodford Shale and selective chelation of metal species by different tetrapyrrole configurations	13
Geochemistry Articles – July 2024	13

Comment: Suppression of vitrinite reflectance by bitumen generated from liptinite during hydrous pyrolysis of artificial source rock by Peters et al. (2018)	13
Molecular and carbon isotopic evidence for the possible origin of 13α(n-alkyl)-tricyclic terpanes in Mesoproterozoic bitumens from the Yanliao Rift, North China	13
Variability and composition of amino acids and amino sugars in sediment cores of the Changjiang Estuary	12
Robert Alexander Obituary died 28th July 2023 (82 years)	12
Chemodiversity of soil dissolved organic matter complementally improved by stepwise elution and electrospray ionization modes	12
A new empirical approach for rapid quantification of organic and pyritic sulfur in sedimentary rocks using the Rock-Eval 7S	11
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	11
Impacts of temperature and fluid seepage on organic matter composition in sediments of an active hydrothermal basin	11
Soil chemistry, temperature and bacterial community composition drive brGDGT distributions along a subarctic elevation gradient	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
Annotation of DOM metabolomes with an ultrahigh resolution mass spectrometry molecular formula library	11
Geochemistry Articles – April 2025	11
Generation of carbazoles in Type II-S source rocks: Experimental analysis for kinetic parameters estimation	10
Polycyclic aromatic sulfur heterocycles used as molecular markers in crude oils and source rocks	10
Impact of organic carbon reworking upon GDGT temperature proxies during the Paleocene-Eocene Thermal Maximum	10
Mid- to Late-Holocene branched GDGT-based air temperatures from a crater lake in Cameroon (Central Africa)	10
Organic matter composition and thermal maturity evaluation of Mesoproterozoic source rocks in the Beetaloo Sub-Basin, Australia	10
Practical considerations for amino acid isotope analysis	10
GEOCHEMISTRY ARTICLES – June 2022	10
Pyrolysis experiments of model compounds to explore carbon isotope fractionation in propane from natural gas	9
Bacterial physiology highlighted by the δ13C fractionation of bacteriohopanetetrol isomers	9
Geochemistry Articles – October 2024	9
Hydrogen isotope biogeochemistry of plant waxes in paired lake catchments	9
Geochemistry Articles – January 2024	9
Robust determination of kerogen properties in organic-rich mudrocks via Raman Spectroscopy	9
Intramolecular carbon isotopic rollover in propane from natural gas reservoirs of the Santanghu Basin: Insights into chemical structure of kerogen	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
Editorial Board	9
Biomarkers reveal Eocene marine incursions into the Qaidam Basin, north Tibetan Plateau	9
Seasonality of amino acid enantiomers and microbial communities at MOLA time series in the NW Mediterranean Sea	9
Reply to Comment by M.D. Lewan	9
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 potential new sea surface temperature proxy based on isomeric highly branched isoprenoid lipid biomarkers: EZ25	8
GEOCHEMISTRY ARTICLES – November 2021	8
Contribution of abiotic methane polymerization of C2+ hydrocarbons in highly mature natural gas reservoirs	8
Characterisation of radiogenic monoalkenes in Australian oils and condensate	8
GEOCHEMISTRY ARTICLES – October 2022	8
The global distribution of Isoprenoidal Glycerol Dialkyl Diethers (isoGDDs) is consistent with a predominant degradation origin	8
Triaromatic dinosteroids – Isomeric distributions and their geochemical significance	7
The giant barrel sponge Xestospongia muta takes up dissolved organic matter from benthic cyanobacterial mats	7
Editorial Board	7
Geochemical rationalisation for the variable oil quality in the Orcutt reservoir, California, USA	7
Obituary for Prof. Dr. Dietrich Welte (1935–2025)	7
Geochemistry Articles – June 2025	7
Editorial Board	7
Interaction between peptide and solid lignin suggest mechanisms of abiotic covalent bond formation	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
High abundances of degraded triterpenoids in Miocene turbiditic sediments of south-central Hokkaido, Japan	7

The bacterial influencing mechanisms of salinity fluctuations in a brackish-water lake on the dissolved organic matter characteristics of pore water	7
Impact of water depth on the distributions and proxies of isoprenoidal hydroxylated GDGTs in the Mediterranean Sea and the Red Sea	7
GEOCHEMISTRY ARTICLES – July 2021	6
GEOCHEMISTRY ARTICLES – August 2023	6
Glycerol dialkyl glycerol tetraether signatures in tropical mesotidal estuary sediments of Qua Iboe River, Gulf of Guinea	6
Editorial Board	6
A new method for the quantification of hydrogen contribution from water to methane during hydrous kerogen pyrolysis	6
Fast quantitative analysis of n-alkanes, PAHs and alkenones in sediments	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
Characteristics of light hydrocarbons under the superimposed influence of biodegradation and subsequent thermal maturation	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
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	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	6
Geochemistry Articles – September 2023	5
GEOCHEMISTRY ARTICLES – December 2021	5
Seasonal temperature dependency of aquatic branched glycerol dialkyl glycerol tetraethers: A mesocosm approach	5
C/H isotope fractionation of hydrocarbon gases from hydrogenation of organic matter: Insights from hydrothermal experiments	5
GEOCHEMISTRY ARTICLES – April 2021	5
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)”	5
Diagenetic fate of glycerol ethers revealed by two novel isoprenoid hydroxyphytanyl glycerol monoethers and non-isoprenoid alkyl glycerol ethers	5
A paleoenvironmental and ecological analysis of biomarkers from the Eocene Fossil Basin, Green River Formation, U.S.A.	5
Characteristics of n-alkyl lipids in cultivated Sphagnum and their preservation potential in the topsoil of Sphagnum farmlands in southwest China	5
Impact of terrestrial organic matter input on distributions of hydroxylated isoprenoidal GDGTs in marine sediments: Implications for OH-isoGDGT-based temperature proxies	5
Structural characterization and confined pyrolysis of resistant aliphatic biopolymer derived from cyanobacteria	5
Re-arranged hopanes and novel re-arranged tricyclic terpanes in Paleozoic rock extracts and oils in the Anadarko Basin, Oklahoma	5
Correlations between biomarkers of varying bioavailability and putative hydrocarbonoclastic bacteria in an Early-Eocene marlstone sedimentary record	5
Occurrence and origin of perylene in Paleogene sediments from the Tasmanian Gateway, Australia	5
Editorial Board	5
Editorial Board	5
Incorporation of wet gases to kerogen in petroleum formation and evolution	5
Reservoir oil geochemistry in the northern Western Desert of Egypt – High-resolution mass spectrometry and stable carbon isotope characterization	5
Biodegradation sequence of coal organic matter and mechanism of biomethane formation in secondary biogenic gas accumulation areas	5
Comparing extraction methods for analyzing n-alkyl lipids in shelf sediments from the China Sea	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
Influence of vegetation type on brGDGTs: Results from surface soils beneath sub-alpine forest and grassland under the same climatic conditions	5
Gas-phase reaction of CH4 and H2S – Evidence from pyrolysis experiments and case study from the Sichuan Basin	5
A novel protocol for extracting 3-hydroxy fatty acids from soil with microwave-assisted acid digestion	5
Structural properties of organic matter in marine-continental transitional shales and impacts on methane accumulation	5
Dissolved organic matter molecular composition controls potential biodegradability	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
Lacustrine records of Paleocene-Eocene Thermal Maximum (PETM) triggered by volcanic activity	4
Carbon isotopic composition of leaf wax n-alkanes in mangrove plants along a latitudinal gradient in Brazil	4
Phase behavior and GOR evolution using a natural maturity series of lacustrine oil-prone shale: Implications from compositional modelling	4
Geochemistry Articles – December 2023	4
Distribution and origin of higher diamondoids in the ultra-deep Paleozoic condensates of the Shunbei oilfield in the Tarim Basin, NW China	4
Dual-pressure pyrolysis apparatus unravelling how fluid and lithostatic pressure matter in hydrocarbon expulsion	4
Study on the main controlling factors on the differential accumulation of natural gas in multiple (ultra-)deeply-buried marine strata	4
Contrasting particulate organic carbon and sediment trophic status in two Antarctic fjords: Hope Bay and Collins Bay	4
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	4
Climatic and environmentally driven variability in lacustrine brGDGT distributions at local to regional scales in Alaska and northwestern Canada	4
Resource potential of the Proterozoic–Paleozoic Carrara depocentre, South Nicholson region, Australia: Insights from stratigraphic drilling	4
Combining Rock-Eval® thermal analysis and thermochemolysis to evaluate the influence of forest management on soil organic matter quality and stability	4
Reforestation in northeastern China increased the soil microbial necromass carbon accumulation by influencing glomalin and enzyme activities	4
Anisole-based assessment for the quantification of methoxyl groups in lignin-rich biomass	4
Editorial Board	4
Editorial Board	4
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	4
GEOCHEMISTRY ARTICLES – December 2022	4
Compound-specific carbon isotope measurements of individual lipid biomarkers from immature Ediacaran rocks of Baltica	4
A saline lacustrine depositional environment enhances organic matter enrichment in the Permian Lucaogou shales	4
Characterizing ecosystem-driven chemical composition differences in natural and drained Finnish bogs using pyrolysis-GC/MS	4
Biomarker signatures in host rocks and their co-occurring fossil plants from northern Scotland	4
Relative thermodynamic stabilities of biomarkers – Evidence from drill-bit metamorphism in the Iving Discovery wells 25/8-19 S & A, Norwegian North Sea	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 – November 2022	4
Modified rapid small-scale fractionation method for quantitatively separating pyrrolic nitrogen compounds, phenols-ketones and carboxylic acids fractions from petroleum	4
Editorial Board	4
Editorial Board	4
Extended chain length alkenoates differentiate three Isochrysidales groups	4
GEOCHEMISTRY ARTICLES – May 2021	3
Genetic and source differences of gases in the Middle Permian Qixia and Maokou formations in the Sichuan Basin, SW China	3
The impact of precipitation on the distributions of branched tetraethers in alkaline soils	3
Organic matter composition in sediments recording sea surface phytoplankton community structure in Prydz Bay of Antarctica	3
Thermal stability of freshwater fern Azolla biomarkers as assessed by hydrous pyrolysis	3
Global sea level changes or local tectonics? Pliocene, Miocene and Oligocene biomarkers in cored sedimentary rocks from IODP Expedition 317, Canterbury Basin, New Zealand	3

Geochemistry Articles – February 2024	3
GEOCHEMISTRY ARTICLES – March 2023	3
Abiotic chlorination of organic matter in the soil environment: A simulation study	3
Isotopic evidence for the formation of 25-norhopanes via in situ biodegradation in the Permian Lucaogou shales, southern Junggar Basin	3
Geochemical implications of the carbon isotope compositions of individual polycyclic aromatic compounds in coals from the Junggar and Ordos basins, NW China	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
Editorial Board	3
Rainshadow effect on hydrogen isotopes in leaf wax n-Alkanes across the Cascade Mountains of Washington, USA	3
Exploring the theoretical upper temperature limit of alkenone unsaturation indices: Implications for paleotemperature reconstructions	3
Evaluating transformation of marine kerogens from Rock-Eval measurements: B. Confirmation of a scaled thermal maturation path by natural samples	3
Reproducibility of Rock-Eval® thermal analysis for soil organic matter characterization	3
Editorial Board	3
Root-derived carbon stocks in formerly deep-ploughed soils – A biomarker-based approach	3
Alkenones in Pleistocene Upper Bed I (1.803–1.900 Ma) sediments from Paleolake Olduvai, Tanzania	3
Editorial Board	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
Geochemistry articles – April 2023	3
Does leaf wax isotopic characterisation of gymnosperms and angiosperms capture environmental gradients in Himalayas?	3
The occurrence and geochemical origin of 9-alkyl HDBTs substituted by long isoprenoid alkyl chains in crude oil	3
Determination and petroleum geochemical significance of short-chain alkylbenzenes in lacustrine source rocks	3
The temporal distributions of seed-plant terpanes in petroleum samples: Implications as oil age-diagnostic biomarkers for crude oils	3
Geochemical characteristics of Longtan transitional shale gas in the western Hubei Basin, northwest Middle Yangtze Block: Implications for the origin and carbon isotopes	2
A distinct oil group in the Dongying Depression, Bohai Bay Basin, China: New insights from norcholestane and triaromatic steroid analyses	2
Novel oxygenated fossil nor-diterpenoids from Cretaceous amber (South-Western France) as potential markers from Cupressaceae and/or Cheirolepidiaceae	2
Editorial Board	2
Experimental evidence suggests dominance of species effect on the variability in hydrogen isotope fractionation between leaf wax compounds and source water	2
Computational analysis of the thermodynamic stability and isomeric composition of cholestane	2
Quantitative analysis of carbazoles and hydrocarbons in condensates and oils using comprehensive GC–MS/MS and comparative GC–MS analyses	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
Editorial Board	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
Group 2i Isochrysidales flourishes at exceedingly low growth temperatures (0 to 6 °C)	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
An unusual occurrence of hydroxylated isoprenoid GDGTs in forest soils	2
Sedimentary geochemical records of the palaeovegetation and palaeoclimate evolution in the Pinghu Formation, Western Slope Belt, Xihu Sag, East China Sea Basin	2
Editorial Board	2
Geochemistry Articles – February 2025	2
GEOCHEMISTRY ARTICLES – September 2021	2
Assessing tetraether lipids as a paleotemperature proxy on western edge of the Chinese Loess Plateau: A cautionary tale	2
Assessing marine communities and carbon cycling that sustained shallow-marine ecosystems on Silurian, reef-rimmed carbonate platforms	2
Editorial Board	2
Editorial Board	2
Soil pH and aridity influence distributions of branched tetraether lipids in grassland soils along an aridity transect	2
Geochemistry Articles – August 2025	2
Revisiting paleoenvironmental analyses and interpretations of organic-rich deposits: The importance of TOC corrections	2
Geochemistry Articles – March 2024	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
Sulfur and nitrogen isotopic composition of Late Permian bark coals: Source identification and associated environmental assessment	2
Improved light hydrocarbons collection method for the pyrolysis of crude oil in gold tube closed system experiments	2
GEOCHEMISTRY ARTICLES – October 2021	2
Occurrence of tetraester and mixed ether/ester-bound iso-diabolic acid membrane-spanning lipids in acidic, high-elevation mineral soils	2
Hydrogen and carbon isotope fractionation in modern plant wax n-alkanes from the Falkland Islands	2
GEOCHEMISTRY ARTICLES – September 2022	2
Analysis, distribution and evolution of individual carboxylic acids in crude oil during biodegradation	2
Effects of digestate application, winter crop species and development on dissolved organic matter composition along the soil profile	2
Provenance of organic matter in an intracratonic rift basin: Insights from biomarker distribution in Palaeogene crude oils of Cambay Basin, western India	2
Geochemistry Articles – August 2024	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
Sulfur ions reduce the activation energy of steranes and terpanes under hydrothermal action	2
Comparison of dissolved organic matter composition from various sorbents using ultra-high resolution mass spectrometry	2
GEOCHEMISTRY ARTICLES – January 2023	2
Editorial Board	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
Distribution, occurrence and identification of dibenzofuran, benzo[b]naphthofurans and their alkyl derivatives in Gippsland Basin source rocks	2