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Environmental Sciences

D-Index
55
Citations
11282
World Ranking
3847
National Ranking
294

Overview

Mark A. Sephton is affiliated with Imperial College London in the United Kingdom. Their research primarily focuses on the fields of Physics and Astronomy, with particular specialization in subfields such as Astronomy and Astrophysics, Ecology, Mechanics of Materials, Aerospace Engineering, and Biomedical Engineering.

The scientist's work covers several main topics related to planetary and space sciences, including:

  • Planetary Science and Exploration
  • Astro and Planetary Science
  • Isotope Analysis in Ecology
  • Hydrocarbon exploration and reservoir analysis
  • Space Science and Extraterrestrial Life
  • Space Exploration and Technology
  • Paleontology and Stratigraphy of Fossils

Mark A. Sephton has been published extensively in various scientific venues. Frequent publication outlets include:

  • Astrobiology
  • Journal of Geophysical Research Planets
  • Zenodo (CERN European Organization for Nuclear Research)
  • Science
  • Science Advances

Among their recent papers are several contributions focused on planetary geology, geochemistry, and exploration missions:

  • Aqueous alteration processes in Jezero crater, Mars-implications for organic geochemistry, 2022, Science
  • Samples Collected From the Floor of Jezero Crater With the Mars 2020 Perseverance Rover, 2023, Journal of Geophysical Research Planets
  • The Winchcombe meteorite, a unique and pristine witness from the outer solar system, 2022, Science Advances
  • Investigating Europa's Habitability with the Europa Clipper, 2023, Space Science Reviews
  • Evidence of Sulfate-Rich Fluid Alteration in Jezero Crater Floor, Mars, 2024, Journal of Geophysical Research Planets

The scientist collaborates frequently with other researchers. Common coauthors include:

  • Jonathan S. Watson
  • Sandra Siljeström
  • Kathleen C. Benison
  • A. J. Brown
  • A. Steele

Best Publications

  • Organic compounds in carbonaceous meteorites

    Mark A. Sephton

  • Lunar and Planetary Science Conference

    R. Quinn;A. Elsaesser;P. Ehrenfreund;A. Ricco

  • Extraterrestrial nucleobases in the Murchison meteorite

    Zita Martins;Oliver Botta;Oliver Botta;Marilyn L. Fogel;Mark A. Sephton

  • Catastrophic soil erosion during the end-Permian biotic crisis

    Mark A. Sephton;Cindy V. Looy;Henk Brinkhuis;Paul B. Wignall

  • Environmental mutagenesis during the end-Permian ecological crisis

    Henk Visscher;Cindy V. Looy;Margaret E. Collinson;Henk Brinkhuis

  • Transitory microbial habitat in the hyperarid Atacama Desert

    Dirk Schulze-Makuch;Dirk Schulze-Makuch;Dirk Wagner;Samuel P Kounaves;Samuel P Kounaves;Kai Mangelsdorf

  • Aqueously altered igneous rocks sampled on the floor of Jezero crater, Mars

    Unknown

  • Weathering of Chondritic Meteorites

    P. A. Bland;M. E. Zolensky;G. K. Benedix;M. A. Sephton

  • Carbon and nitrogen in carbonaceous chondrites: Elemental abundances and stable isotopic compositions

    V. K. Pearson;M. A. Sephton;I. A. Franchi;J. M. Gibson

  • Searching for life on Mars: selection of molecular targets for ESA's aurora ExoMars mission

    John Parnell;David Cullen;Mark R. Sims;Stephen Alan Bowden

  • Shock synthesis of amino acids from impacting cometary and icy planet surface analogues

    Zita Martins;Mark C. Price;Nir Goldman;Mark A. Sephton

  • Aqueous alteration processes in Jezero crater, Mars−implications for organic geochemistry

    Unknown

  • Defining biominerals and organominerals: direct and indirect indicators of life

    Randall S. Perry;Randall S. Perry;Nicola Mcloughlin;Bridget Y. Lynne;Mark A. Sephton

  • Investigating the variations in carbon and nitrogen isotopes in carbonaceous chondrites

    M.A. Sephton;A.B. Verchovsky;P.A. Bland;I. Gilmour

  • Clay mineral‐organic matter relationships in the early solar system

    Victoria K. Pearson;Mark A. Sephton;Anton T. Kearsley;Philip A. Bland

  • δ13C of free and macromolecular aromatic structures in the murchison meteorite

    M.A. Sephton;C.T. Pillinger;I. Gilmour

  • Aromatic moieties in meteoritic macromolecular materials: analyses by hydrous pyrolysis and δ13C of individual compounds

    M.A Sephton;C.T Pillinger;I Gilmour

  • Carbon molecules in space: from astrochemistry to astrobiology

    Pascale Ehrenfreund;Mark A. Sephton

  • Hydropyrolysis of insoluble carbonaceous matter in the Murchison meteorite: New insights into its macromolecular structure

    M.A Sephton;G.D Love;J.S Watson;A.B Verchovsky

  • On the Origins of Deep Hydrocarbons

    Mark A. Sephton;Robert M. Hazen

  • The end Triassic mass extinction record of Williston Lake, British Columbia

    P.B. Wignall;J.-P. Zonneveld;R.J. Newton;K. Amor

  • Baking black opal in the desert sun: The importance of silica in desert varnish

    Randall S. Perry;Bridget Y. Lynne;Mark A. Sephton;Vera M. Kolb

  • Carbon and nitrogen isotope disturbances and an end-Norian (Late Triassic) extinction event

    Mark A. Sephton;Ken Amor;Ian A. Franchi;Paul B. Wignall

  • Geochemistry of the end-Permian extinction event in Austria and Italy: No evidence for an extraterrestrial component

    Christian Koeberl;Kenneth A. Farley;Bernhard Peucker-Ehrenbrink;Mark A. Sephton

  • Adsorption of l-lysine on montmorillonite

    Anita Parbhakar;Javier Cuadros;Mark A. Sephton;William Dubbin

Frequent Co-Authors

Scott M. McLennan
Scott M. McLennan Stony Brook University
Christopher D. K. Herd
Christopher D. K. Herd University of Alberta
Harry Y. McSween
Harry Y. McSween University of Tennessee at Knoxville
Monica M. Grady
Monica M. Grady The Open University
Munir Humayun
Munir Humayun Florida State University
Jack D. Farmer
Jack D. Farmer Arizona State University
Kathleen A. Campbell
Kathleen A. Campbell University of Auckland
Andrew Steele
Andrew Steele Carnegie Institution for Science
Mahesh Anand
Mahesh Anand The Open University

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