High-resolution, long-term isotopic and isotopologue variation identifies the sources and sinks of methane in a deep subsurface carbon cycle

Abiotic Synthesis of Methane and Organic Compounds in Earth’s Lithosphere

(2020) Eoghan P. Reeves et al.   Elements

Identifying thermogenic and microbial methane in deep water Gulf of Mexico Reservoirs

(2020) Nivedita Thiagarajan et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Chemical and isotopic analyses of hydrocarbon-bearing fluid inclusions in olivine-rich rocks

(2020) Niya G. Grozeva et al.   PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES

Isotopic evidence for quasi-equilibrium chemistry in thermally mature natural gases

(2020) Nivedita Thiagarajan et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Hydrothermal 15N15N abundances constrain the origins of mantle nitrogen

(2020) J. Labidi et al.   NATURE

Low Δ12CH2D2 values in microbialgenic methane result from combinatorial isotope effects

(2020) Lina Taenzer et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Clumped isotopologue fractionation by microbial cultures performing the anaerobic oxidation of methane

(2020) Shuhei Ono et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Theoretical estimates of equilibrium carbon and hydrogen isotope effects in microbial methane production and anaerobic oxidation of methane

(2020) Jonathan Gropp et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

A window into the abiotic carbon cycle – Acetate and formate in fracture waters in 2.7 billion year-old host rocks of the Canadian Shield

(2020) B. Sherwood Lollar et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

A kinetic model for isotopologue signatures of methane generated by biotic and abiotic CO2 methanation

(2019) Xiaobin Cao et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Abiotic methane synthesis and serpentinization in olivine-hosted fluid inclusions

(2019) Frieder Klein et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Comparison of Experimental vs Theoretical Abundances of 13CH3D and 12CH2D2 for Isotopically Equilibrated Systems from 1 to 500 °C

(2019) Daniel L. Eldridge et al.   ACS Earth and Space Chemistry

Mechanisms and rates of 4He, 40Ar, and H2 production and accumulation in fracture fluids in Precambrian Shield environments

(2019) Oliver Warr et al.   CHEMICAL GEOLOGY

Tracing ancient hydrogeological fracture network age and compartmentalisation using noble gases

(2018) Oliver Warr et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Equilibrium and non-equilibrium controls on the abundances of clumped isotopologues of methane during thermogenic formation in laboratory experiments: Implications for the chemistry of pyrolysis and the origins of natural gases

(2018) Yanhua Shuai et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Clumped isotopologue constraints on the origin of methane at seafloor hot springs

(2018) David T. Wang et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Experimental investigation on the controls of clumped isotopologue and hydrogen isotope ratios in microbial methane

(2018) Danielle S. Gruen et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Catalytic generation of methane at 60–100 °C and 0.1–300 MPa from source rocks containing kerogen Types I, II, and III

(2018) Lin Wei et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex

(2018) Akira Ijiri et al.   Science Advances

The biomass and biodiversity of the continental subsurface

(2018) C. Magnabosco et al.   Nature Geoscience

Methane sources and sinks in continental sedimentary systems: New insights from paired clumped isotopologues 13CH3D and 12CH2D2

(2018) Thomas Giunta et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Global hydrogen reservoirs in basement and basins

(2017) John Parnell et al.   GEOCHEMICAL TRANSACTIONS

Abiotic and biotic controls on methane formation down to 2.5 km depth within the Precambrian Fennoscandian Shield

(2017) Riikka Kietäväinen et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

The relative abundances of resolved l2 CH 2 D 2 and 13 CH 3 D and mechanisms controlling isotopic bond ordering in abiotic and biotic methane gases

(2017) E.D. Young et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Bioenergetic Constraints on Microbial Hydrogen Utilization in Precambrian Deep Crustal Fracture Fluids

(2017) Jon Telling et al.   GEOMICROBIOLOGY JOURNAL

Methane clumped isotopes: Progress and potential for a new isotopic tracer

(2017) Peter M.J. Douglas et al.   ORGANIC GEOCHEMISTRY

Methyl-compound use and slow growth characterize microbial life in 2-km-deep subseafloor coal and shale beds

(2017) Elizabeth Trembath-Reichert et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Massive production of abiotic methane during subduction evidenced in metamorphosed ophicarbonates from the Italian Alps

(2017) Alberto Vitale Brovarone et al.   Nature Communications

Reverse Methanogenesis and Respiration in Methanotrophic Archaea

(2017) Peer H. A. Timmers et al.   ARCHAEA-AN INTERNATIONAL MICROBIOLOGICAL JOURNAL

Fractionation of the methane isotopologues 13 CH 4 , 12 CH 3 D, and 13 CH 3 D during aerobic oxidation of methane by Methylococcus capsulatus (Bath)

(2016) David T. Wang et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Variations in microbial carbon sources and cycling in the deep continental subsurface

(2016) Danielle N. Simkus et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Diverse origins of Arctic and Subarctic methane point source emissions identified with multiply-substituted isotopologues

(2016) P.M.J. Douglas et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

A large-radius high-mass-resolution multiple-collector isotope ratio mass spectrometer for analysis of rare isotopologues of O 2 , N 2 , CH 4 and other gases

(2016) Edward D. Young et al.   INTERNATIONAL JOURNAL OF MASS SPECTROMETRY

An oligotrophic deep-subsurface community dependent on syntrophy is dominated by sulfur-driven autotrophic denitrifiers

(2016) Maggie C. Y. Lau et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

Sulfur mass-independent fractionation in subsurface fracture waters indicates a long-standing sulfur cycle in Precambrian rocks

(2016) L. Li et al.   Nature Communications

Distinguishing and understanding thermogenic and biogenic sources of methane using multiply substituted isotopologues

(2015) D.A. Stolper et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

A metagenomic window into carbon metabolism at 3 km depth in Precambrian continental crust

(2015) Cara Magnabosco et al.   ISME Journal

The global volume and distribution of modern groundwater

(2015) Tom Gleeson et al.   Nature Geoscience

Exploring deep microbial life in coal-bearing sediment down to  2.5 km below the ocean floor

(2015) F. Inagaki et al.   SCIENCE

Nonequilibrium clumped isotope signals in microbial methane

(2015) D. T. Wang et al.   SCIENCE

Active Microbial Communities Inhabit Sulphate-Methane Interphase in Deep Bedrock Fracture Fluids in Olkiluoto, Finland

(2015) Malin Bomberg et al.   Biomed Research International

The origin, source, and cycling of methane in deep crystalline rock biosphere

(2015) Riikka Kietäväinen   Frontiers in Microbiology

Measurement of a Doubly Substituted Methane Isotopologue, 13CH3D, by Tunable Infrared Laser Direct Absorption Spectroscopy

(2014) Shuhei Ono et al.   ANALYTICAL CHEMISTRY

The contribution of the Precambrian continental lithosphere to global H2 production

(2014) Barbara Sherwood Lollar et al.   NATURE

Carbon isotope equilibration during sulphate-limited anaerobic oxidation of methane

(2014) Marcos Y. Yoshinaga et al.   Nature Geoscience

Formation temperatures of thermogenic and biogenic methane

(2014) D. A. Stolper et al.   SCIENCE

Combined 13C–D and D–D clumping in methane: Methods and preliminary results

(2013) D.A. Stolper et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Position-Specific and Clumped Stable Isotope Studies: Comparison of the Urey and Path-Integral Approaches for Carbon Dioxide, Nitrous Oxide, Methane, and Propane

(2013) Michael A. Webb et al.   JOURNAL OF PHYSICAL CHEMISTRY A

Deep fracture fluids isolated in the crust since the Precambrian era

(2013) G. Holland et al.   NATURE

Laboratory Simulations of Abiotic Hydrocarbon Formation in Earth's Deep Subsurface

(2013) T. M. McCollom   Reviews in Mineralogy & Geochemistry

ABIOTIC METHANE ON EARTH

(2013) Giuseppe Etiope et al.   REVIEWS OF GEOPHYSICS

Influence of H2and O2on sulphate-reducing activity of a subterranean community and the coupled response in redox potential

(2012) Karsten Pedersen   FEMS MICROBIOLOGY ECOLOGY

Low temperature production and exhalation of methane from serpentinized rocks on Earth: A potential analog for methane production on Mars

(2012) Giuseppe Etiope et al.   ICARUS

Neon identifies two billion year old fluid component in Kaapvaal Craton

(2011) Johanna Lippmann-Pipke et al.   CHEMICAL GEOLOGY

Fluid sources and the role of abiogenic-CH4 in Archean gold mineralization: Constraints from noble gases and halogens

(2011) M.A. Kendrick et al.   PRECAMBRIAN RESEARCH

Carbon and sulfur back flux during anaerobic microbial oxidation of methane and coupled sulfate reduction

(2011) T. Holler et al.   PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA

The influence of carbon source on abiotic organic synthesis and carbon isotope fractionation under hydrothermal conditions

(2010) Thomas M. McCollom et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Depositional Gaps in Abitibi Greenstone Belt Stratigraphy: A Key to Exploration for Syngenetic Mineralization

(2009) P. C. Thurston et al.   ECONOMIC GEOLOGY

Substantial13C/12C and D/H fractionation during anaerobic oxidation of methane by marine consortia enrichedin vitro

(2009) Thomas Holler et al.   Environmental Microbiology Reports

Tracing the slow growth of anaerobic methane-oxidizing communities by 15N-labelling techniques

(2008) Martin Krüger et al.   FEMS MICROBIOLOGY ECOLOGY

Isotopic signatures of CH4 and higher hydrocarbon gases from Precambrian Shield sites: A model for abiogenic polymerization of hydrocarbons

(2008) B. Sherwood Lollar et al.   GEOCHIMICA ET COSMOCHIMICA ACTA

Formation and abundance of doubly-substituted methane isotopologues (13CH3D) in natural gas systems

(2008) Qisheng Ma et al.   GEOCHIMICA ET COSMOCHIMICA ACTA