Search Results - "Turner, Grenville"

Argon isotopic composition of Archaean atmosphere probes early Earth geodynamics by Pujol, Magali, Marty, Bernard, Burgess, Ray, Turner, Grenville, Philippot, Pascal

“…The analysis of the isotopic signature of argon in 3.5-billion-year-old hydrothermal quartz suggests an early development of the continental crust, with…”
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Trends in heavy metals, polychlorinated biphenyls and toxicity from sediment cores of the inner River Thames estuary, London, UK by Vane, Christopher H, Turner, Grenville H, Chenery, Simon R, Richardson, Martin, Cave, Mark C, Terrington, Ricky, Gowing, Charles J B, Moss-Hayes, Vicky

“…River islands (Ait or Eyot) within the inner tidal Thames serve as unique recorders of current and historical estuarine chemical pollution. Sediment cores from…”
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Chronology and shock history of the Bencubbin meteorite: A nitrogen, noble gas, and Ar–Ar investigation of silicates, metal and fluid inclusions by Marty, Bernard, Kelley, Simon, Turner, Grenville

“…We have investigated the distribution and isotopic composition of nitrogen and noble gases, and the Ar–Ar chronology of the Bencubbin meteorite. Gases were…”
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Pu–Xe, U–Xe, U–Pb chronology and isotope systematics of ancient zircons from Western Australia by Turner, Grenville, Busfield, Alli, Crowther, Sarah A., Harrison, Mark, Mojzsis, Stephen J., Gilmour, Jamie

“…The presence of xenon isotopes from in-situ spontaneous fission of short-lived 244Pu has been confirmed in a suite of 16 Hadean detrital zircons from Western…”
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40Ar-39Ar chronology of lunar meteorites Northwest Africa 032 and 773 by Fernandes, Vera A., Burgess, Ray, Turner, Grenville

“…— The 40Ar‐39Ar dating technique has been applied to the lunar meteorites Northwest Africa 032 (NWA 032), an unbrecciated mare basalt, and Northwest Africa 773…”
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Xenon systematics of individual lunar zircons, a new window on the history of the lunar surface by Crow, Carolyn A., Crowther, Sarah A., McKeegan, Kevin D., Turner, Grenville, Busemann, Henner, Gilmour, Jamie D.

“…We demonstrate a new way of investigating the processing of the lunar surface (and other planetary regoliths) that combines XeS-XeN ages (based on uranium…”
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Oxygen isotopes in chondrule olivine and isolated olivine grains from the CO3 chondrite Allan Hills A77307 by JONES, Rhian H., SAXTON, John M., LYON, Ian C., TURNER, Grenville

“…— We have measured O‐isotopic ratios in a variety of olivine grains in the CO3 chondrite Allan Hills (ALH) A77307 using secondary ion mass spectrometry in…”
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Determination of halogen abundances in terrestrial and extraterrestrial samples by the analysis of noble gases produced by neutron irradiation by Ruzié-Hamilton, Lorraine, Clay, Patricia L., Burgess, Ray, Joachim, Bastian, Ballentine, Christopher J., Turner, Grenville

“…The lack of a reliable database for heavy halogens (bromine and iodine) in terrestrial and extraterrestrial samples is mainly due to the analytical challenges…”
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Mantle-derived 40Ar in mid-ocean ridge hydrothermal fluids: implications for the source of volatiles and mantle degassing rates by Stuart, Finlay M., Turner, Grenville

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Organic pollutants, heavy metals and toxicity in oil spill impacted salt marsh sediment cores, Staten Island, New York City, USA by Vane, Christopher H., Kim, Alexander W., Moss-Hayes, Vicky, Turner, Grenville, Mills, Keely, Chenery, Simon R., Barlow, Thomas S., Kemp, Andrew C., Engelhart, Simon E., Hill, Troy D., Horton, Benjamin P., Brain, Matthew

“…Sediment cores from Staten Island's salt marsh contain multiple historical oil spill events that impact ecological health. Microtox solid phase bioassay…”
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Extinct$^{244}Pu$in Ancient Zircons by Turner, Grenville, Harrison, T. Mark, Holland, Greg, Mojzsis, Stephen J., Gilmour, Jamie

“…We have found evidence, in the form of fissiogenic xenon isotopes, for in situ decay of$^{244}Pu$in individual 4.1- to 4.2-billion-year-old zircons from the…”
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Vesicle-Specific Noble Gas Analyses of "Popping Rock": Implications for Primordial Noble Gases in Earth by Burnard, Pete, Graham, David, Turner, Grenville

“…Gases trapped in individual vesicles in the volatile-rich basaltic glass "popping rock" were found to have the same carbon dioxide, helium-4, and argon-40…”
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Extinct Pu-244 in ancient zircons by Turner, Grenville, Harrison, T Mark, Holland, Greg, Mojzsis, Stephen J, Gilmour, Jamie

“…We have found evidence, in the form of fissiogenic xenon isotopes, for in situ decay of Pu-244 in individual 4.1- to 4.2-billion-year-old zircons from the Jack…”
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John H. Reynolds (1923-2000) by Turner, Grenville

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Argon-40/Argon-39 Dating of Lunar Rock Samples by Turner, Grenville

“…Seven crystalline rock samples returned by Apollo 11 have been analyzed in detail by means of the $^{40}$Ar-$^{39}$Ar dating technique. The extent of…”
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Extinct (129)I in halite from a primitive meteorite: evidence for evaporite formation in the early solar system by Whitby, J, Burgess, R, Turner, G, Gilmour, J, Bridges, J

“…Halite crystals from the Zag H3-6 chondrite contain essentially pure (monoisotopic) xenon-129 ((129)Xe) produced in the early history of the solar system by…”
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Leonard Medal Acceptance Address. 1999 July 12, Johannesburg, South Africa by Turner, Grenville

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40 Ar‐ 39 Ar chronology of lunar meteorites Northwest Africa 032 and 773 by Fernandes, Vera A., Burgess, Ray, Turner, Grenville

“…Abstract— The 40 Ar‐ 39 Ar dating technique has been applied to the lunar meteorites Northwest Africa 032 (NWA 032), an unbrecciated mare basalt, and Northwest…”
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Extinct 244Pu in ancient zircons by TURNER, Grenville, HARRISON, T. Mark, HOLLAND, Greg, MOJZSIS, Stephen J, GILMOUR, Jamie

“…We have found evidence, in the form of fissiogenic xenon isotopes, for in situ decay of 244Pu in individual 4.1- to 4.2-billion-year-old zircons from the Jack…”
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Extinct super(244)Pu in Ancient Zircons by Turner, Grenville, Harrison, TMark, Holland, Greg, Mojzsis, Stephen J, Gilmour, Jamie

“…We have found evidence, in the form of fissiogenic xenon isotopes, for in situ decay of super(244)Pu in individual 4.1- to 4.2-billion-year-old zircons from…”
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