Organic Geochemistry

Article	Citations
On the validity of position specific carbon isotopic analysis (PSIA) of propane	33
In-situ provenance of brGDGTs in peat sediments: A case study from southern China and a comparison of global results	32
Editorial Board	31
GEOCHEMISTRY ARTICLES – March 2022	30
Complexity of the serpentinization lipidome	27
Direct evidence of gas flushing oil in deep reservoirs: Insight from integrated fluid inclusion analyses	23
Exceptionally high contents of rearranged hopanes in a late Permian section, southern Sydney Basin, Australia	21
Molecular composition of dissolved organic matter in saline lakes of the Qing-Tibetan Plateau	20
Analytical inconsistencies in the measurement and reporting of IP25, IPSO25 and related biomarkers for paleo sea ice reconstruction	20
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	19
Introduction to Xplorer, Hybrid and Early-Career Virtual Special Issue	18
Environmental controls on the distribution of GDGT molecules in Lake Höglwörth, Southern Germany	17
Editorial Board	17
Differential evolution of extracted bitumen and solid bitumen in a hybrid shale system	16
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	15
Geochemistry Articles – April 2024	15
Editorial Board	15
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
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
A new empirical approach for rapid quantification of organic and pyritic sulfur in sedimentary rocks using the Rock-Eval 7S	13
Comment: Suppression of vitrinite reflectance by bitumen generated from liptinite during hydrous pyrolysis of artificial source rock by Peters et al. (2018)	13
Editorial Board	13
Annotation of DOM metabolomes with an ultrahigh resolution mass spectrometry molecular formula library	13

Three major types of trimethyl-alkylbenzenes and significance for the genesis of reservoir bitumens from the northwestern Sichuan Basin, South China	13
Robert Alexander Obituary died 28th July 2023 (82 years)	13
Chemodiversity of soil dissolved organic matter complementally improved by stepwise elution and electrospray ionization modes	12
Distributions of vanadyl and nickel porphyrins in the Woodford Shale and selective chelation of metal species by different tetrapyrrole configurations	12
Variability and composition of amino acids and amino sugars in sediment cores of the Changjiang Estuary	12
Fire-induced shifts in stalagmite organic matter mapped using Synchrotron infrared microspectroscopy	12
Soil chemistry, temperature and bacterial community composition drive brGDGT distributions along a subarctic elevation gradient	11
Polycyclic aromatic sulfur heterocycles used as molecular markers in crude oils and source rocks	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
Impacts of temperature and fluid seepage on organic matter composition in sediments of an active hydrothermal basin	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	10
Organic matter composition and thermal maturity evaluation of Mesoproterozoic source rocks in the Beetaloo Sub-Basin, Australia	10
Editorial Board	10
Impact of organic carbon reworking upon GDGT temperature proxies during the Paleocene-Eocene Thermal Maximum	10
Practical considerations for amino acid isotope analysis	10
Geochemistry Articles – January 2024	10
New approaches to distinguish shale-sourced and coal-sourced gases in petroleum systems	10
GEOCHEMISTRY ARTICLES – June 2022	10
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
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	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
Mid- to Late-Holocene branched GDGT-based air temperatures from a crater lake in Cameroon (Central Africa)	9
Bacterial physiology highlighted by the δ13C fractionation of bacteriohopanetetrol isomers	9
Geochemistry Articles – October 2024	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
Reply to Comment by M.D. Lewan	8
Hydrogen isotope biogeochemistry of plant waxes in paired lake catchments	8
Identifying the drivers of GDGT distributions in alkaline soil profiles within the Serengeti ecosystem	8
Seasonality of amino acid enantiomers and microbial communities at MOLA time series in the NW Mediterranean Sea	8
The global distribution of Isoprenoidal Glycerol Dialkyl Diethers (isoGDDs) is consistent with a predominant degradation origin	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	7
Obituary for Prof. Dr. Dietrich Welte (1935–2025)	7
Five series of benzohopanes in early Cretaceous sediments from the Chaoyang Basin, NE China	7
Editorial Board	7
Editorial Board	7
Impact of biodegradation on methyltrimethyltridecylchromans (MTTCs) in crude oils from the Bohai Bay Basin, China	7
GEOCHEMISTRY ARTICLES – October 2022	7
GEOCHEMISTRY ARTICLES – November 2021	7
Geochemical rationalisation for the variable oil quality in the Orcutt reservoir, California, USA	7
Editorial Board	7
Triaromatic dinosteroids – Isomeric distributions and their geochemical significance	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
GEOCHEMISTRY ARTICLES – August 2023	7
Interaction between peptide and solid lignin suggest mechanisms of abiotic covalent bond formation	7
Impact of water depth on the distributions and proxies of isoprenoidal hydroxylated GDGTs in the Mediterranean Sea and the Red Sea	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
A new method for the quantification of hydrogen contribution from water to methane during hydrous kerogen pyrolysis	6
GEOCHEMISTRY ARTICLES – July 2021	6
Fast quantitative analysis of n-alkanes, PAHs and alkenones in sediments	6
The giant barrel sponge Xestospongia muta takes up dissolved organic matter from benthic cyanobacterial mats	6
Geochemistry Articles – June 2025	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	5
Glycerol dialkyl glycerol tetraether signatures in tropical mesotidal estuary sediments of Qua Iboe River, Gulf of Guinea	5
Seasonal temperature dependency of aquatic branched glycerol dialkyl glycerol tetraethers: A mesocosm approach	5
The biological source and paleoenvironment implication of rare short-chain lanostanes in alkaline lacustrine sediments	5
Comparing extraction methods for analyzing n-alkyl lipids in shelf sediments from the China Sea	5
Characteristics of n-alkyl lipids in cultivated Sphagnum and their preservation potential in the topsoil of Sphagnum farmlands in southwest China	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
Biodegradation sequence of coal organic matter and mechanism of biomethane formation in secondary biogenic gas accumulation areas	5
Characteristics of light hydrocarbons under the superimposed influence of biodegradation and subsequent thermal maturation	5
Natural and laboratory-induced maturation of kerogen from the Vaca Muerta Formation: A comparison study	5
Correlations between biomarkers of varying bioavailability and putative hydrocarbonoclastic bacteria in an Early-Eocene marlstone sedimentary record	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
GEOCHEMISTRY ARTICLES – December 2021	5
Effects of inorganic sulfur species on hydrocarbon conversion and 34S isotope fractionation during thermal maturation of Type II kerogen	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
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
Diagenetic fate of glycerol ethers revealed by two novel isoprenoid hydroxyphytanyl glycerol monoethers and non-isoprenoid alkyl glycerol ethers	5
Re-arranged hopanes and novel re-arranged tricyclic terpanes in Paleozoic rock extracts and oils in the Anadarko Basin, Oklahoma	5
Impact of terrestrial organic matter input on distributions of hydroxylated isoprenoidal GDGTs in marine sediments: Implications for OH-isoGDGT-based temperature proxies	5
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
Lacustrine records of Paleocene-Eocene Thermal Maximum (PETM) triggered by volcanic activity	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
Incorporation of wet gases to kerogen in petroleum formation and evolution	4
Exploring the application of TEX86 and the sources of organic matter in the Antarctic coastal region	4
Reservoir oil geochemistry in the northern Western Desert of Egypt – High-resolution mass spectrometry and stable carbon isotope characterization	4
Structural properties of organic matter in marine-continental transitional shales and impacts on methane accumulation	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
Phase behavior and GOR evolution using a natural maturity series of lacustrine oil-prone shale: Implications from compositional modelling	4
Gas-phase reaction of CH4 and H2S – Evidence from pyrolysis experiments and case study from the Sichuan Basin	4
Editorial Board	4
Occurrence and origin of perylene in Paleogene sediments from the Tasmanian Gateway, Australia	4
Influence of vegetation type on brGDGTs: Results from surface soils beneath sub-alpine forest and grassland under the same climatic conditions	4
Editorial Board	4
Biomarker signatures in host rocks and their co-occurring fossil plants from northern Scotland	4
Carbon isotopic composition of leaf wax n-alkanes in mangrove plants along a latitudinal gradient in Brazil	4
Extended chain length alkenoates differentiate three Isochrysidales groups	4
A novel protocol for extracting 3-hydroxy fatty acids from soil with microwave-assisted acid digestion	4
Anisole-based assessment for the quantification of methoxyl groups in lignin-rich biomass	4
Dissolved organic matter molecular composition controls potential biodegradability	4
A paleoenvironmental and ecological analysis of biomarkers from the Eocene Fossil Basin, Green River Formation, U.S.A.	4
GEOCHEMISTRY ARTICLES – April 2021	4
Geochemistry Articles – December 2023	4
Reforestation in northeastern China increased the soil microbial necromass carbon accumulation by influencing glomalin and enzyme activities	4
GEOCHEMISTRY ARTICLES – March 2023	3
Genetic and source differences of gases in the Middle Permian Qixia and Maokou formations in the Sichuan Basin, SW China	3
Geochemistry articles – April 2023	3
Organic matter composition in sediments recording sea surface phytoplankton community structure in Prydz Bay of Antarctica	3
Study on the main controlling factors on the differential accumulation of natural gas in multiple (ultra-)deeply-buried marine strata	3
Root-derived carbon stocks in formerly deep-ploughed soils – A biomarker-based approach	3
A saline lacustrine depositional environment enhances organic matter enrichment in the Permian Lucaogou shales	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
Editorial Board	3
Compound-specific carbon isotope measurements of individual lipid biomarkers from immature Ediacaran rocks of Baltica	3
Editorial Board	3
Editorial Board	3
Isotopic evidence for the formation of 25-norhopanes via in situ biodegradation in the Permian Lucaogou shales, southern Junggar Basin	3
GEOCHEMISTRY ARTICLES – May 2021	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
The impact of precipitation on the distributions of branched tetraethers in alkaline soils	3
Climatic and environmentally driven variability in lacustrine brGDGT distributions at local to regional scales in Alaska and northwestern Canada	3
Biosynthetic isotope fractionation negligibly impacts biomarker 14C ages	3
GEOCHEMISTRY ARTICLES – November 2022	3
Modified rapid small-scale fractionation method for quantitatively separating pyrrolic nitrogen compounds, phenols-ketones and carboxylic acids fractions from petroleum	3
Editorial Board	3
Editorial Board	3

Characterisation by ESI FT-ICR MS of heteroatomic compounds in catalytic hydropyrolysates released from marine crude oil asphaltenes	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
Dual-pressure pyrolysis apparatus unravelling how fluid and lithostatic pressure matter in hydrocarbon expulsion	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
Distribution and origin of higher diamondoids in the ultra-deep Paleozoic condensates of the Shunbei oilfield in the Tarim Basin, NW China	3
Editorial Board	3
Contrasting particulate organic carbon and sediment trophic status in two Antarctic fjords: Hope Bay and Collins Bay	3
Alkenones in Pleistocene Upper Bed I (1.803–1.900 Ma) sediments from Paleolake Olduvai, Tanzania	3
Geochemistry Articles – February 2024	2
The occurrence and geochemical origin of 9-alkyl HDBTs substituted by long isoprenoid alkyl chains in crude oil	2
Sulfur and nitrogen isotopic composition of Late Permian bark coals: Source identification and associated environmental assessment	2
The temporal distributions of seed-plant terpanes in petroleum samples: Implications as oil age-diagnostic biomarkers for crude oils	2
Bacteriohopanepolyols and glycerol dialkyl glycerol tetraethers record Holocene redox regime shifts in a marine inlet in eastern Prydz Bay, Antarctica	2
GEOCHEMISTRY ARTICLES – January 2023	2
Hydrogen and carbon isotope fractionation in modern plant wax n-alkanes from the Falkland Islands	2
Compound-specific radiocarbon analysis of sedimentary fatty acids: Potential as a dating tool for lake sediments of Mt. Fuji volcanic region, Japan	2
Bacteriohopanepolyols signature in sediments of the East China Sea and its indications for hypoxia and organic matter sources	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 – March 2024	2
Does leaf wax isotopic characterisation of gymnosperms and angiosperms capture environmental gradients in Himalayas?	2
Reappraisal of archaeal C20-C25 diether lipid (extended archaeol) origin and use as a biomarker of hypersalinity	2
Reproducibility of Rock-Eval® thermal analysis for soil organic matter characterization	2
Computational analysis of the thermodynamic stability and isomeric composition of cholestane	2
Determination and petroleum geochemical significance of short-chain alkylbenzenes in lacustrine source rocks	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
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
Assessing tetraether lipids as a paleotemperature proxy on western edge of the Chinese Loess Plateau: A cautionary tale	2
Revisiting paleoenvironmental analyses and interpretations of organic-rich deposits: The importance of TOC corrections	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
Microbial utilization of recently fixed, plant-derived organic carbon in shallow Holocene and Pleistocene aquifers in Bangladesh	2
Editorial Board	2
An unusual occurrence of hydroxylated isoprenoid GDGTs in forest soils	2
Thermal stability of freshwater fern Azolla biomarkers as assessed by hydrous pyrolysis	2
Organic compounds in vent fluids from Yellowstone Lake, Wyoming	2
Early decomposition and transformation of organic matter in natural and disturbed boreal forests	2
Abiotic chlorination of organic matter in the soil environment: A simulation study	2
Editorial Board	2
Evaluating transformation of marine kerogens from Rock-Eval measurements: B. Confirmation of a scaled thermal maturation path by natural samples	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
Sedimentary geochemical records of the palaeovegetation and palaeoclimate evolution in the Pinghu Formation, Western Slope Belt, Xihu Sag, East China Sea Basin	2
Geochemistry Articles – February 2025	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
Rainshadow effect on hydrogen isotopes in leaf wax n-Alkanes across the Cascade Mountains of Washington, USA	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
Fluorescence lifetime evolution of crude oils during thermal cracking: Implications from pyrolysis experiments in a closed system	2
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
Hydroxylated GDGTs-0 in marine methane seep environments: A putative indicator for archaeal methanogenesis	1
Quantitative analysis of carbazoles and hydrocarbons in condensates and oils using comprehensive GC–MS/MS and comparative GC–MS analyses	1
Assessing marine communities and carbon cycling that sustained shallow-marine ecosystems on Silurian, reef-rimmed carbonate platforms	1
Soil chemistry effect on GDGT abundances and their proxies in soils of the Okavango Delta	1
Geochemistry Articles – August 2024	1
Genetic significance of carbon isotope curve types of methane, ethane, and propane in natural gas	1
Novel oxygenated fossil nor-diterpenoids from Cretaceous amber (South-Western France) as potential markers from Cupressaceae and/or Cheirolepidiaceae	1
Geochemistry Articles – May 2024	1
Comparison of dissolved organic matter composition from various sorbents using ultra-high resolution mass spectrometry	1
Molecular mechanisms of solid bitumen and vitrinite reflectance suppression explored using hydrous pyrolysis of artificial source rock	1
GEOCHEMISTRY ARTICLES – October 2023	1
Editorial Board	1
Geochemistry articles – August 2022	1
GEOCHEMISTRY ARTICLES – April 2022	1
Bacterial reworking of particulate organic matter in a dynamic marginal sea: Implications for carbon sequestration	1
Molecular and isotope characterization of hydrocarbon products from organic-sulfur-rich mudstones during closed hydrous-pyrolysis	1
Experimental evidence suggests dominance of species effect on the variability in hydrogen isotope fractionation between leaf wax compounds and source water	1
New practical biodegradation proxies based on heteroatom compounds revealed by ESI (−) FT-ICR MS	1
GEOCHEMISTRY ARTICLES – September 2022	1
Distinct sources of bacterial branched GMGTs in the Godavari River basin (India) and Bay of Bengal sediments	1
Editorial Board	1
Molecular fossil chronicles and geochemical probes of Paleogene coals from Meghalaya, India	1
Group 2i Isochrysidales flourishes at exceedingly low growth temperatures (0 to 6 °C)	1
From swamp to sea: Quantifying terrestrial dissolved organic carbon in a tropical shelf sea using hydrogen isotope ratios	1
Editorial Board	1
Effects of digestate application, winter crop species and development on dissolved organic matter composition along the soil profile	1
GEOCHEMISTRY ARTICLES – November 2023	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
Nitrogen stable isotope patterns in free and protein-bound amino acids of the anoxygenic phototroph, Rhodopseudomonas palustris	1
Evolution of kerogen structure during the carbonization stage	1
Branched GDGT source shift identification allows improved reconstruction of an 8,000-year warming trend on Sumatra	1
A distinct oil group in the Dongying Depression, Bohai Bay Basin, China: New insights from norcholestane and triaromatic steroid analyses	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
GEOCHEMISTRY ARTICLES – September 2021	1
Impacts of natural irradiation on sedimentary organic matter–A review	1
Editorial Board	1
Formation mechanism of thiadiamondoids: evidence from thermochemical sulfate reduction simulation experiments with model compounds	1
Soil pH and aridity influence distributions of branched tetraether lipids in grassland soils along an aridity transect	1
Geochemistry Articles – June 2024	1
Improved light hydrocarbons collection method for the pyrolysis of crude oil in gold tube closed system experiments	1
A new and improved protocol for extraction of intact polar membrane lipids from archaea	1
Editorial Board	1