Search Results - "Matthewman, Richard"

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  1. 1

    Pumice from the ∼3460Ma Apex Basalt, Western Australia: A natural laboratory for the early biosphere by Brasier, Martin D., Matthewman, Richard, McMahon, Sean, Kilburn, Matt R., Wacey, David

    Published in Precambrian research (01-01-2013)
    “…► Abundant pumice clasts are found in the ∼3460Ma Apex Basalt. ► This discovery enables the testing of the hypothesis that pumice provided a cradle for early…”
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    Journal Article
  2. 2

    The Moon as a recorder of organic evolution in the early solar system: a lunar regolith analog study by Matthewman, Richard, Court, Richard W, Crawford, Ian A, Jones, Adrian P, Joy, Katherine H, Sephton, Mark A

    Published in Astrobiology (01-02-2015)
    “…The organic record of Earth older than ∼3.8 Ga has been effectively erased. Some insight is provided to us by meteorites as well as remote and direct…”
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    Journal Article
  3. 3

    Pumice as a remarkable substrate for the origin of life by Brasier, Martin D, Matthewman, Richard, McMahon, Sean, Wacey, David

    Published in Astrobiology (01-09-2011)
    “…The context for the emergence of life on Earth sometime prior to 3.5 billion years ago is almost as big a puzzle as the definition of life itself. Hitherto,…”
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    Journal Article
  4. 4

    Type IV kerogens as analogues for organic macromolecular materials in aqueously altered carbonaceous chondrites by Matthewman, Richard, Martins, Zita, Sephton, Mark A

    Published in Astrobiology (01-04-2013)
    “…Understanding the processes involved in the evolution of organic matter in the early Solar System requires extensive experimental work. The scientifically…”
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    Journal Article
  5. 5

    A new search for life on Mars by Matthewman, Richard

    Published in Geology today (01-09-2009)
    “…Developments in spacecraft technology are allowing us to examine the Solar System ever more closely. A European mission is currently being prepared to send a…”
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    Journal Article
  6. 6

    Biomass preservation in impact melt ejecta by Howard, Kieren Torres, Bailey, Melanie J., Berhanu, Deborah, Bland, Phil A., Cressey, Gordon, Howard, Lauren E., Jeynes, Chris, Matthewman, Richard, Martins, Zita, Sephton, Mark A., Stolojan, Vlad, Verchovsky, Sasha

    Published in Nature geoscience (01-12-2013)
    “…The pressures and temperatures experienced by material flung from craters following impact events are expected to preclude survival of organics. The…”
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    Journal Article
  7. 7

    Organic geochemistry of late Jurassic paleosols (Dirt Beds) of Dorset, UK by Matthewman, Richard, Cotton, Laura J., Martins, Zita, Sephton, Mark A.

    Published in Marine and petroleum geology (01-11-2012)
    “…Paleosols from the lower part of the Purbeck Limestone Group, which crops out extensively in Dorset, southern England, are shown to contain type IV kerogens…”
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    Journal Article
  8. 8

    Organic Matter Responses to Radiation under Lunar Conditions by Matthewman, Richard, Crawford, Ian A, Jones, Adrian P, Joy, Katherine H, Sephton, Mark A

    Published in Astrobiology (01-11-2016)
    “…Large bodies, such as the Moon, that have remained relatively unaltered for long periods of time have the potential to preserve a record of organic chemical…”
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    Journal Article
  9. 9

    Hydrocarbons as recorders of cosmic environments by Matthewman, Richard

    Published 01-01-2012
    “…Hydrocarbons are ubiquitous in the Cosmos. Carbon stars jettison large amounts of hydrocarbons into interstellar space and these are incorporated into forming…”
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    Dissertation
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