Search filters

List of works by Tullis Onstott

14C in Methane and DIC in the Deep Terrestrial Subsurface: Implications for Microbial Methanogenesis

scientific article

39Ar recoil artifacts in chloritized biotite

scientific article

40Ar/39Ar and Pb-Pb study of individual hornblende and feldspar grains from southeastern Baffin Island glacial sediments: implications for the provenance of the Heinrich layers

scientific article published in 2000

40Ar/39Ar and U-Pb evidence for late proterozoic (Grenville-age) continental crust in north-central Cuba and regional tectonic implications

scientific article

40Ar/39Ar constraints on the emplacement, uplift, and cooling of the Coast Plutonic Complex sill, southeastern Alaska

scientific article published in July 1991

40Ar/39Ar dating of 1.0–1.1 Ga magnetizations from the Sa˜o Francisco and Kalahari cratons: tectonic implications for Pan-African and Brasiliano mobile belts

scientific article

40Ar/39Ar laser-probe dating of diamond inclusions from the Premier kimberlite

scientific article published in Nature

40Ar/39Ar thermochronometry of the Imataca Complex, Venezuela

scientific article

A carbon free filter for collection of large volume samples of cellular biomass from oligotrophic waters.

scientific article published on 3 May 2012

A high-resolution chemical and structural study of framboidal pyrite formed within a low-temperature bacterial biofilm.

scientific article

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

scientific article published on September 2015

A modular injection system, multilevel sampler, and manifold for tracer tests

scientific article published in November 2003

A scalable model for methane consumption in arctic mineral soils

article

Alkaliphilus transvaalensis gen. nov., sp. nov., an extremely alkaliphilic bacterium isolated from a deep South African gold mine

scientific article

Alumina ceramic as a mounting medium for electron microprobe analysis and 40Ar/39Ar laser microprobe dating of mineral grains

scholarly article

An 40Ar/39Ar investigation of the contact effects of a dyke intrusion, Kapuskasing Structural Zone, Ontario

scientific article

An active atmospheric methane sink in high Arctic mineral cryosols

scientific article published on 14 April 2015

An active atmospheric methane sink in high Arctic mineral cryosols

scientific article published on 01 August 2015

An assessment of 40Ar39Ar dating for the whole-rock volcanic samples from the Luzon Arc near Taiwan

scholarly article

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

scientific article

Ancestral Absence of Electron Transport Chains in Patescibacteria and DPANN

scientific article published on 17 August 2020

Application of 40Ar39Ar laser-probe and step-heating techniques to the dating of diagenetic K-feldspar overgrowths

scientific article

Application of a vital fluorescent staining method for simultaneous, near-real-time concentration monitoring of two bacterial strains in an Atlantic coastal plain aquifer in Oyster, Virginia

scientific article published on March 2004

Application of the Bingham distribution function in paleomagnetic studies

scientific article published on 10 March 1980

Archaeal diversity in waters from deep South African gold mines

scientific article

Argon composition of metamorphic fluids: Implications for 40Ar/39Ar geochronology

scientific article

Argon isotopic zoning in mantle phlogopite

scholarly article

Argon release mechanisms of biotite in vacuo and the role of short-circuit diffusion and recoil

scholarly article

Aspartic acid racemization constrains long-term viability and longevity of endospores

scientific article published on 01 October 2019

Atmospheric CH4 oxidation by Arctic permafrost and mineral cryosols as a function of water saturation and temperature.

scientific article published on 29 July 2016

Backscattered 39Ar loss in fine-grained minerals: Implications for 40Ar/39Ar geochronology of clay

scientific article

Biogenic iron mineralization accompanying the dissimilatory reduction of hydrous ferric oxide by a groundwater bacterium

scientific article (publication date: October 1998)

Breakthroughs in field-scale bacterial transport

scientific article

Capture of Planktonic Microbial Diversity in Fractures by Long-Term Monitoring of Flowing Boreholes, Evander Basin, South Africa

scientific article

Challenges for coring deep permafrost on Earth and Mars.

scientific article published on June 2008

Characterization of lattice strain induced by neutron irradiation

scientific article

Commercial DNA extraction kits impact observed microbial community composition in permafrost samples

scientific article published on 17 October 2013

Comparison of methods for monitoring bacterial transport in the subsurface

scientific article published in November 2001

Comparisons of the composition and biogeographic distribution of the bacterial communities occupying South African thermal springs with those inhabiting deep subsurface fracture water

scientific article

Constraints on the thermal history of Taylorsville Basin, Virginia, U.S.A., from fluid-inclusion and fission-track analyses: implications for subsurface geomicrobiology experiments

scholarly article

Coupling hydrocarbon degradation to anaerobic respiration and mineral diagenesis: theoretical constraints

scientific article published in January 2010

Cretaceous dinosaur bone contains recent organic material and provides an environment conducive to microbial communities

scientific article

Cretaceous dinosaur bone contains recent organic material and provides an environment conducive to microbial communities.

scientific article published on 18 June 2019

Dating ultra-deep mine waters with noble gases and 36Cl, Witwatersrand Basin, South Africa

scientific article

Deep Subsurface Microbial Biomass and Community Structure in Witwatersrand Basin Mines

scientific article

Deep gold mines of South Africa: windows into the subsurface biosphere

scientific article

Deep subsurface mine stalactites trap endemic fissure fluid Archaea, Bacteria, and Nematoda possibly originating from ancient seas

scientific article

Denitrifiers, nitrogen-fixing bacteria and N2O soil gas flux in high Arctic ice-wedge polygon cryosols

scientific article published on 01 May 2019

Desulfotomaculum and Methanobacterium spp. dominate a 4- to 5-kilometer-deep fault

scientific article

Development of a vital fluorescent staining method for monitoring bacterial transport in subsurface environments

scientific article

Development of radiographic and microscopic techniques for the characterization of bacterial transport in intact sediment cores from Oyster, Virginia

scientific article published in August 1999

Direct measurements of methane emissions from abandoned oil and gas wells in Pennsylvania

scientific article

Dissimilatory reduction of Fe(III) and other electron acceptors by a Thermus isolate

scientific article

Dissolved organic matter compositions in 0.6–3.4 km deep fracture waters, Kaapvaal Craton, South Africa

scientific article

Does aspartic acid racemization constrain the depth limit of the subsurface biosphere?

scientific article published on 2 December 2013

Draft Genome Sequence of " Bathyarchaeota" Archaeon BE326-BA-RLH, an Uncultured Denitrifier and Putative Anaerobic Methanotroph from South Africa's Deep Continental Biosphere

scientific article published on 21 November 2018

Draft Genome Sequence of Uncultured Upland Soil Cluster Gammaproteobacteria Gives Molecular Insights into High-Affinity Methanotrophy

scientific article

Effects of simulated spring thaw of permafrost from mineral cryosol on CO 2 emissions and atmospheric CH 4 uptake

scientific article

Eight Metagenome-Assembled Genomes Provide Evidence for Microbial Adaptation in 20,000- to 1,000,000-Year-Old Siberian Permafrost

scientific article published on 10 September 2021

Environmental genomics reveals a single-species ecosystem deep within Earth

scientific article

Erratum for Edwards et al., "Draft Genome Sequence of Uncultured Upland Soil Cluster Gammaproteobacteria Gives Molecular Insights into High-Affinity Methanotrophy".

scientific article published on 7 September 2017

Eukaryotic opportunists dominate the deep-subsurface biosphere in South Africa

scientific article

Evolutionary stasis of a deep subsurface microbial lineage

scientific article published in October 2021

Examining bacterial transport in intact cores from Oyster, Virginia: Effect of sedimentary facies type on bacterial breakthrough and retention

scientific article

Ferrographic tracking of bacterial transport in the field at the narrow channel focus area, Oyster, VA.

scientific article published in January 2001

Fitting straight lines and planes with an application to radiometric dating

scientific article

Fluctuations in populations of subsurface methane oxidizers in coordination with changes in electron acceptor availability

scientific article published on 01 July 2018

Formation of magnetite and iron-rich carbonates by thermophilic iron-reducing bacteria

Genome-centric resolution of novel microbial lineages in an excavated Centrosaurus dinosaur fossil bone from the Late Cretaceous of North America

scientific article

Genomic reconstruction of fossil and living microorganisms in ancient Siberian permafrost

scientific article published on 17 May 2021

Geochemically Generated, Energy-Rich Substrates and Indigenous Microorganisms in Deep, Ancient Groundwater

Geology, genesis, and metamorphic history of the Namew Lake Ni-Cu deposit, Manitoba

article

Ground surface temperature reconstructions: Using in situ estimates for thermal conductivity acquired with a fiber-optic distributed thermal perturbation sensor

scientific article

High Lake gossan deposit: An Arctic analogue for ancient Martian surficial processes?

scientific article

Hydrogen Isotopic Composition of Arctic and Atmospheric CH4 Determined by a Portable Near-Infrared Cavity Ring-Down Spectrometer with a Cryogenic Pre-Concentrator.

scientific article

Hydrogeochemistry of groundwaters in and below the base of thick permafrost at Lupin, Nunavut, Canada

scientific article

Hydrogeologic Constraint on the origin of deep subsurface microorganisms within a Triassic Basin

scientific article

Hydrogeologic controls on episodic H2 release from precambrian fractured rocks--energy for deep subsurface life on earth and mars.

scientific article published on December 2007

Hydrogeology of the vicinity of Homestake mine, South Dakota, USA

scientific article

Hydrogeology, chemical and microbial activity measurement through deep permafrost

scientific article published on May 2011

Identification of iron-reducing Thermus strains as Thermus scotoductus

scientific article published on 11 October 2003

In Situ Enrichment of a Diverse Community of Bacteria from a 4–5 km Deep Fault Zone in South Africa

scientific article

In SituCultivation of Subsurface Microorganisms in a Deep Mafic Sill: Implications for SLiMEs

scientific article

In situ imaging of microorganisms in geologic material

scientific article published in September 1999

Incremental heating of hornblende in vacuo: Implications for 40Ar/39Ar geochronology and the interpretation of thermal histories

scholarly article by J.K.W. Lee et al published 1991 in Geology

Indigenous and contaminant microbes in ultradeep mines

scientific article

Isolation and characterization of a Geobacillus thermoleovorans strain from an ultra-deep South African gold mine.

scientific article published on 18 May 2006

Isolation of Halobacterium salinarum retrieved directly from halite brine inclusions.

scientific article

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

scientific article

LUCI: A facility at DUSEL for large-scale experimental study of geologic carbon sequestration

scholarly article by Catherine A. Peters et al published 2011 in Energy Procedia

Laser microprobe measurement of chlorine and argon zonation in biotite

scholarly article

Laser-selective demagnetization: a new technique in paleomagnetism and rock magnetism

scientific article

Lessons learned from bacterial transport research at the South Oyster Site

scientific article published on 15 June 2011

Long-term sustainability of a high-energy, low-diversity crustal biome

scientific article

Mars Trace Gas Fluxes: Critical Strategies and Implications for the Upcoming Decade

scientific article

Martian CH(4): sources, flux, and detection.

scientific article published on April 2006

Measurement of the 13C/12C of atmospheric CH4 using near-infrared (NIR) cavity ring-down spectroscopy

scientific article

Metabolic promiscuity from the deep subsurface: a story of survival or superiority

scientific article

Metagenome-Assembled Genome of USCα AHI, a Potential High-Affinity Methanotroph from Axel Heiberg Island, Canadian High Arctic

scientific article published on 14 November 2019

Metagenomes from thawing low-soil-organic-carbon mineral cryosols and permafrost of the canadian high arctic

scientific article

Methanogen community composition and rates of methane consumption in Canadian High Arctic permafrost soils

scientific article

Microbes deep inside the earth

scientific article

Microbes in thawing permafrost: the unknown variable in the climate change equation

scientific article

Microbial communities in subpermafrost saline fracture water at the Lupin Au mine, Nunavut, Canada

scientific article

Microbial hydrocarbon gases in the Witwatersrand Basin, South Africa: Implications for the deep biosphere

scientific article

Microbiologists meet geologists in Bath

scientific article

Microbiome assembly in thawing permafrost and its feedbacks to climate

scientific article published in 2022

Mineral transformations associated with the microbial reduction of magnetite

scholarly article

Mineralogical, Chemical and Biological Characterization of an Anaerobic Biofilm Collected from a Borehole in a Deep Gold Mine in South Africa

scientific article

Mobile hydrocarbon microspheres from >2-billion-year-old carbon-bearing seams in the South African deep subsurface.

scientific article published on 20 August 2012

Near infrared cavity ring-down spectroscopy for isotopic analyses of CH4 on future Martian surface missions

scientific article published in January 2015

Nematoda from the terrestrial deep subsurface of South Africa

scientific article (publication date: 2 June 2011)

Neon identifies two billion year old fluid component in Kaapvaal Craton

scholarly article

New ecosystems in the deep subsurface follow the flow of water driven by geological activity

scientific article published on 01 March 2019

Novel method of regolith sample return from extraterrestrial body using a puff of gas

scientific article

Observations pertaining to the origin and ecology of microorganisms recovered from the deep subsurface of Taylorsville Basin, Virginia

scientific article

P-T-time characterization of the Trans-Amazonian Orogeny in the Imataca Complex, Venezuela

scientific article

Paleo-Rock-Hosted Life on Earth and the Search on Mars: A Review and Strategy for Exploration

scientific article published on 25 June 2019

Paleofluid-flow circulation within a Triassic rift basin: Evidence from oil inclusions and thermal histories

scientific article

Paleomagnetic evidence for the evolution of Meso- to Neo-proterozoic glaciogenic rocks in central-eastern Brazil

article

Paleomagnetism and 40Ar/39Ar ages of mafic dikes from Salvador (Brazil): new constraints on the São Francisco craton APW path between 1080 and 1010 Ma

article

Paleomagnetism and40Ar/39Ar geochronology of gabbro sills at Mariscal Mountain anticline, southern Big Bend National Park, Texas: Implications for the timing of Laramide tectonism and vertical axis rotations in the southern Cordilleran orogenic belt

scientific article

Paleomagnetism of Middle Proterozoic (1.01 to 1.08 Ga) mafic dykes in southeastern Bahia State—São Francisco Craton, Brazil

article

Paleomagnetism of the Late Triassic Hound Island Volcanics: Revisited

scientific article published in 1992

Phylogeny and phylogeography of functional genes shared among seven terrestrial subsurface metagenomes reveal N-cycling and microbial evolutionary relationships

scientific article

Physical versus chemical effects on bacterial and bromide transport as determined from on site sediment column pulse experiments

scientific article published on 11 January 2005

Planetary sample sealing for caching

scientific article

Planktonic Microbial Communities Associated with Fracture-Derived Groundwater in a Deep Gold Mine of South Africa

scientific article

Pore‐size constraints on the activity and survival of subsurface bacteria in a late cretaceous shale‐sandstone sequence, northwestern New Mexico

scientific article

Potential for preservation of halobacteria and their macromolecular constituents in brine inclusions from bedded salt deposits

scientific article

Precipitation of arsenic under sulfate reducing conditions and subsequent leaching under aerobic conditions

scientific article

Precision Subsampling System for Mars and Beyond

scientific article

Predominance of Anaerobic, Spore-Forming Bacteria in Metabolically Active Microbial Communities from Ancient Siberian Permafrost

scientific article published on 18 July 2019

Preface

Pseudotachylites of the Beaverhead impact structure: Geochemicaly geochronological, petrographic, and field investigations

scientific article

Radiolytic H2in continental crust: Nuclear power for deep subsurface microbial communities

scientific article

Recent calcite spar in an aquifer waste plume: a possible example of contamination driven calcite precipitation

scholarly article

Recoil refinements: Implications for the 40Ar/39Ar dating technique

scientific article

Reduced net methane emissions due to microbial methane oxidation in a warmer Arctic

scientific article

Regulatory responses of Methanosarcina barkeri to freezing temperatures and perchlorates: Transcriptomic insights into the potential for biological Martian methanogenesis

scientific article

Rejuvenation of KAr systems for minerals in the Taiwan Mountain Belt

scientific article

Related assemblages of sulphate-reducing bacteria associated with ultradeep gold mines of South Africa and deep basalt aquifers of Washington State

scientific article published in April 2003

Relative dominance of physical versus chemical effects on the transport of adhesion-deficient bacteria in intact cores from South Oyster, Virginia.

scientific article published in March 2002

Report of the Mars 2020 Science Definition Team ⬇️

Rokubacteria: Genomic Giants among the Uncultured Bacterial Phyla

scientific article published on 28 November 2017

Salinity-induced hydrate dissociation: A mechanism for recent CH4release on Mars

scientific article

Simultaneous transport of two bacterial strains in intact cores from Oyster, Virginia: biological effects and numerical modeling

scientific article published on May 2002

Single cell genomics indicates horizontal gene transfer and viral infections in a deep subsurface Firmicutes population

scientific article published on 22 April 2015

South African crustal fracture fluids preserve paleometeoric water signatures for up to tens of millions of years

scholarly article

Stars of the terrestrial deep subsurface: a novel 'star-shaped' bacterial morphotype from a South African platinum mine

scientific article

Structural and Chemical Characterization of a Natural Fracture Surface from 2.8 Kilometers Below Land Surface: Biofilms in the Deep Subsurface

scientific article

Sulfur isotope enrichment during maintenance metabolism in the thermophilic sulfate-reducing bacterium Desulfotomaculum putei.

scientific article published on 26 June 2009

Survivability of Psychrobacter cryohalolentis K5 under simulated martian surface conditions

scientific article

Taxonomic and Functional Compositions Impacted by the Quality of Metatranscriptomic Assemblies.

scientific article published on 20 June 2018

Tectonic Interpretation of40Ar/39Ar Ages on Country Rocks from the Central Sector of the Río Negro-Juruena Province, Southwest Amazonian Craton

scientific article

Temporal Shifts in the Geochemistry and Microbial Community Structure of an Ultradeep Mine Borehole Following Isolation

scholarly article by D. P. Moser et al published November 2003 in Geomicrobiology Journal

Thaumarchaea Genome Sequences from a High Arctic Active Layer

scientific article published on 21 May 2020

The Distribution of Microbial Taxa in the Subsurface Water of the Kalahari Shield, South Africa

scientific article

The Effect of the Instability of Muscovite During In Vacuo Heating on 40Ar/39Ar Step-Heating Spectra

scientific article

The Factors Controlling Microbial Distribution and Activity in the Shallow Subsurface

scientific article

The Martian subsurface as a potential window into the origin of life

scientific article

The Origin and Age of Biogeochemical Trends in Deep Fracture Water of the Witwatersrand Basin, South Africa

article

The biomass and biodiversity of the continental subsurface

scientific article

The contribution of the Precambrian continental lithosphere to global H2 production.

scientific article published on December 2014

The genome of a subterrestrial nematode reveals adaptations to heat

scientific article published on 21 November 2019

The limited role of aquifer heterogeneity on metal reduction in an Atlantic coastal plain determined by push-pull tests

scientific article

The next frontier for planetary and human exploration

scientific article published on 14 January 2019

The origin of NO3− and N2 in deep subsurface fracture water of South Africa

scholarly article

The origin of deep subsurface microbial communities in the Witwatersrand Basin, South Africa as deduced from apatite fission track analyses

scientific article

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

scholarly article

The role of low-temperature 18O exchange in the isotopic evolution of deep subsurface fluids

scholarly article

The role of physical, chemical, and microbial heterogeneity on the field-scale transport and attachment of bacteria

scientific article

The yield and isotopic composition of radiolytic H2, a potential energy source for the deep subsurface biosphere

article

Theoretical prediction of collision efficiency between adhesion-deficient bacteria and sediment grain surface

scientific article

Thermoanaerosceptrum fracticalcis gen. nov. sp. nov., a Novel Fumarate-Fermenting Microorganism From a Deep Fractured Carbonate Aquifer of the US Great Basin

scientific article published on 27 September 2019

Time of emplacement and metamorphism of Late Precambrian mafic dykes associated with the Pan-African Gariep orogeny, Southern Africa: implications for the age of the Nama Group

scholarly article

Trends and future challenges in sampling the deep terrestrial biosphere

scientific article

Unravelling abiogenic and biogenic sources of methane in the Earth's deep subsurface

scholarly article

Utility of high performance liquid chromatography/electrospray/mass spectrometry of polar lipids in specifically Per-13C labeled Gram-negative bacteria DA001 as a tracer for acceleration of bioremediation in the subsurface

scientific article

Valuing Life-Detection Missions

scientific article published on 01 July 2018

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

scientific article

Viable Nematodes from Late Pleistocene Permafrost of the Kolyma River Lowland

scholarly article by A. V. Shatilovich et al published May 2018 in Doklady. Biological sciences

What's up down there?

scientific article

Workshop to develop deep-life continental scientific drilling projects

scientific article published in 2015

“Follow the Water”: Steve Squyres and the Mars Exploration Rovers

scientific article

Paulina is supported by:

About Paulina

Help