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The Winchcombe meteorite, a unique and pristine witness from the outer solar system.


ABSTRACT: Direct links between carbonaceous chondrites and their parent bodies in the solar system are rare. The Winchcombe meteorite is the most accurately recorded carbonaceous chondrite fall. Its pre-atmospheric orbit and cosmic-ray exposure age confirm that it arrived on Earth shortly after ejection from a primitive asteroid. Recovered only hours after falling, the composition of the Winchcombe meteorite is largely unmodified by the terrestrial environment. It contains abundant hydrated silicates formed during fluid-rock reactions, and carbon- and nitrogen-bearing organic matter including soluble protein amino acids. The near-pristine hydrogen isotopic composition of the Winchcombe meteorite is comparable to the terrestrial hydrosphere, providing further evidence that volatile-rich carbonaceous asteroids played an important role in the origin of Earth's water.

SUBMITTER: King AJ 

PROVIDER: S-EPMC9668287 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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The Winchcombe meteorite, a unique and pristine witness from the outer solar system.

King Ashley J AJ   Daly Luke L   Rowe James J   Joy Katherine H KH   Greenwood Richard C RC   Devillepoix Hadrien A R HAR   Suttle Martin D MD   Chan Queenie H S QHS   Russell Sara S SS   Bates Helena C HC   Bryson James F J JFJ   Clay Patricia L PL   Vida Denis D   Lee Martin R MR   O'Brien Áine Á   Hallis Lydia J LJ   Stephen Natasha R NR   Tartèse Romain R   Sansom Eleanor K EK   Towner Martin C MC   Cupak Martin M   Shober Patrick M PM   Bland Phil A PA   Findlay Ross R   Franchi Ian A IA   Verchovsky Alexander B AB   Abernethy Feargus A J FAJ   Grady Monica M MM   Floyd Cameron J CJ   Van Ginneken Matthias M   Bridges John J   Hicks Leon J LJ   Jones Rhian H RH   Mitchell Jennifer T JT   Genge Matthew J MJ   Jenkins Laura L   Martin Pierre-Etienne PE   Sephton Mark A MA   Watson Jonathan S JS   Salge Tobias T   Shirley Katherine A KA   Curtis Rowan J RJ   Warren Tristram J TJ   Bowles Neil E NE   Stuart Finlay M FM   Di Nicola Luigia L   Györe Domokos D   Boyce Adrian J AJ   Shaw Kathryn M M KMM   Elliott Tim T   Steele Robert C J RCJ   Povinec Pavel P   Laubenstein Matthias M   Sanderson David D   Cresswell Alan A   Jull Anthony J T AJT   Sýkora Ivan I   Sridhar Sanjana S   Harrison Richard J RJ   Willcocks Francesca M FM   Harrison Catherine S CS   Hallatt Daniel D   Wozniakiewicz Penny J PJ   Burchell Mark J MJ   Alesbrook Luke S LS   Dignam Aishling A   Almeida Natasha V NV   Smith Caroline L CL   Clark Brett B   Humphreys-Williams Emma R ER   Schofield Paul F PF   Cornwell Luke T LT   Spathis Vassilia V   Morgan Geraint H GH   Perkins Mark J MJ   Kacerek Richard R   Campbell-Burns Peter P   Colas Francois F   Zanda Brigitte B   Vernazza Pierre P   Bouley Sylvain S   Jeanne Simon S   Hankey Mike M   Collins Gareth S GS   Young John S JS   Shaw Clive C   Horak Jana J   Jones Dave D   James Nick N   Bosley Steve S   Shuttleworth Alan A   Dickinson Paul P   McMullan Ian I   Robson Derek D   Smedley Andrew R D ARD   Stanley Ben B   Bassom Richard R   McIntyre Mark M   Suttle Adam A AA   Fleet Richard R   Bastiaens Luc L   Ihász Míra B MB   McMullan Sarah S   Boazman Sarah J SJ   Dickeson Zach I ZI   Grindrod Peter M PM   Pickersgill Annemarie E AE   Weir Colin J CJ   Suttle Fiona M FM   Farrelly Sarah S   Spencer Ieun I   Naqvi Sheeraz S   Mayne Ben B   Skilton Dan D   Kirk Dan D   Mounsey Ann A   Mounsey Sally E SE   Mounsey Sarah S   Godfrey Pamela P   Bond Lachlan L   Bond Victoria V   Wilcock Cathryn C   Wilcock Hannah H   Wilcock Rob R  

Science advances 20221116 46


Direct links between carbonaceous chondrites and their parent bodies in the solar system are rare. The Winchcombe meteorite is the most accurately recorded carbonaceous chondrite fall. Its pre-atmospheric orbit and cosmic-ray exposure age confirm that it arrived on Earth shortly after ejection from a primitive asteroid. Recovered only hours after falling, the composition of the Winchcombe meteorite is largely unmodified by the terrestrial environment. It contains abundant hydrated silicates form  ...[more]

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