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Ian A. Franchi
Researcher at Open University
Publications - 423
Citations - 12779
Ian A. Franchi is an academic researcher from Open University. The author has contributed to research in topics: Chondrite & Meteorite. The author has an hindex of 55, co-authored 388 publications receiving 11190 citations. Previous affiliations of Ian A. Franchi include Leiden University & Max Planck Society.
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Journal ArticleDOI
Further characterisation of the 91500 zircon crystal
Michael Wiedenbeck,John M. Hanchar,William H. Peck,Paul J. Sylvester,John W. Valley,Martin J. Whitehouse,Andreas Kronz,Yuichi Morishita,Lutz Nasdala,Jens Fiebig,Ian A. Franchi,J.-P. Girard,Richard C. Greenwood,R. W. Hinton,Noriko T. Kita,Paul R.D. Mason,Marc D. Norman,M. Ogasawara,Philip M. Piccoli,Dieter Rhede,Hisao Satoh,B. Schulz-Dobrick,Øyvind Skår,Mj. Spicuzza,Kentaro Terada,Andrew G. Tindle,Shigeko Togashi,Torsten Vennemann,Q. Xie,Yong-Fei Zheng +29 more
TL;DR: In this article, the results from a second characterisation of the 91500 zircon, including data from electron probe microanalysis, laser ablation inductively coupled plasma-mass spectrometer (LA-ICP-MS), secondary ion mass spectrometry (SIMS), and laser fluorination analyses, were reported.
Journal ArticleDOI
Comet 81P/Wild 2 under a microscope.
Donald E. Brownlee,Peter Tsou,Jérôme Aléon,Conel M. O'd. Alexander,Tohru Araki,Saša Bajt,G. A. Baratta,Ron K. Bastien,Phil Bland,Phil Bland,Pierre Bleuet,Janet Borg,John P. Bradley,Adrian J. Brearley,Frank E. Brenker,Sean Brennan,John Bridges,Nigel D. Browning,Nigel D. Browning,John Robert Brucato,Emma S. Bullock,Mark J. Burchell,Henner Busemann,Anna L. Butterworth,Marc Chaussidon,Allan Cheuvront,Miaofang Chi,Mark J. Cintala,Benton C. Clark,Simon J. Clemett,George D. Cody,Luigi Colangeli,George Cooper,Patrick Cordier,Charles P. Daghlian,Zu Rong Dai,Louis Le Sergeant d'Hendecourt,Zahia Djouadi,Gerardo Dominguez,Tom Duxbury,Jason P. Dworkin,Denton S. Ebel,Thanasis E. Economou,Sirine C. Fakra,Sam A. J. Fairey,Stewart Fallon,G. Ferrini,T. Ferroir,Holger Fleckenstein,Christine Floss,George J. Flynn,Ian A. Franchi,Marc Fries,Zack Gainsforth,J-P Gallien,M. J. Genge,Mary K. Gilles,Philipe Gillet,Jamie Gilmour,Daniel P. Glavin,Matthieu Gounelle,Monica M. Grady,Giles A. Graham,Patrick G. Grant,Simon F. Green,F. Grossemy,Lawrence Grossman,Jeffrey N. Grossman,Yunbin Guan,Kenji Hagiya,Ralph P. Harvey,Philipp R. Heck,Gregory F. Herzog,Peter Hoppe,Friedrich Hörz,Joachim Huth,Ian D. Hutcheon,Konstantin Ignatyev,Hope A. Ishii,Motoo Ito,Damien Jacob,Chris Jacobsen,Stein B. Jacobsen,Steven Jones,David J. Joswiak,A. J. G. Jurewicz,Anton T. Kearsley,Lindsay P. Keller,H Khodja,A. L. David Kilcoyne,Jochen Kissel,Alexander N. Krot,Falko Langenhorst,Antonio Lanzirotti,Loan Le,Laurie A. Leshin,Jan Leitner,Laurence Lemelle,Hugues Leroux,Ming-Chang Liu,K. Luening,Ian C. Lyon,G. J. MacPherson,Matthew A. Marcus,Kuljeet K. Marhas,Bernard Marty,Graciela Matrajt,Kevin D. McKeegan,Anders Meibom,Vito Mennella,Keiko Messenger,Scott Messenger,Takashi Mikouchi,Smail Mostefaoui,Tomoki Nakamura,T Nakano,Matthew Newville,Larry R. Nittler,Ichiro Ohnishi,Kazumasa Ohsumi,Kyoko Okudaira,D. A. Papanastassiou,Russ Palma,Russ Palma,Maria Elisabetta Palumbo,Robert O. Pepin,David Perkins,Murielle C. Perronnet,Piero Pianetta,William Rao,Frans J. M. Rietmeijer,François Robert,Detlef Rost,Alessandra Rotundi,R. E. Ryan,Scott A. Sandford,Craig S. Schwandt,Thomas H. See,D. J. Schlutter,J. Sheffield-Parker,Alexandre Simionovici,Steven B. Simon,I Sitnitsky,Christopher J. Snead,Maegan K. Spencer,Frank J. Stadermann,Andrew Steele,Thomas Stephan,Rhonda M. Stroud,Jean Susini,Stephen R. Sutton,Y Suzuki,Mitra L. Taheri,Susan Taylor,Nick Teslich,Kazu Tomeoka,Naotaka Tomioka,Alice Toppani,Josep M. Trigo-Rodríguez,David Troadec,Akira Tsuchiyama,Anthony J. Tuzzolino,Tolek Tyliszczak,Kentaro Uesugi,Michael A. Velbel,Joe Vellenga,Edward P. Vicenzi,Laszlo Vincze,J. Warren,Iris Weber,M. K. Weisberg,Andrew J. Westphal,Sue Wirick,Diane H. Wooden,Brigitte Wopenka,Penelope J. Wozniakiewicz,Ian Wright,Hikaru Yabuta,Hajime Yano,Edward D. Young,Richard N. Zare,Thomas J. Zega,Karen Ziegler,Laurent Zimmerman,Ernst Zinner,Michael E. Zolensky +185 more
TL;DR: The Stardust spacecraft collected thousands of particles from comet 81P/Wild 2 and returned them to Earth for laboratory study, and preliminary examination shows that the nonvolatile portion of the comet is an unequilibrated assortment of materials that have both presolar and solar system origin.
Journal ArticleDOI
Organics captured from comet 81P/Wild 2 by the Stardust spacecraft.
Scott A. Sandford,Jérôme Aléon,Conel M. O'd. Alexander,Tohru Araki,Sašaǎ Bajt,G. A. Baratta,Janet Borg,John P. Bradley,Donald E. Brownlee,John Robert Brucato,Mark J. Burchell,Henner Busemann,Anna L. Butterworth,Simon J. Clemett,George D. Cody,Luigi Colangeli,George Cooper,Louis Le Sergeant d'Hendecourt,Zahia Djouadi,Jason P. Dworkin,G. Ferrini,Holger Fleckenstein,George J. Flynn,Ian A. Franchi,Marc Fries,Mary K. Gilles,Daniel P. Glavin,Matthieu Gounelle,F. Grossemy,Chris Jacobsen,Lindsay P. Keller,A. L. David Kilcoyne,Jan Leitner,Graciela Matrajt,Anders Meibom,Vito Mennella,Smail Mostefaoui,Larry R. Nittler,Maria Elisabetta Palumbo,D. A. Papanastassiou,François Robert,Alessandra Rotundi,Christopher J. Snead,Maegan K. Spencer,Frank J. Stadermann,Andrew Steele,Thomas Stephan,Peter Tsou,Tolek Tyliszczak,Andrew J. Westphal,Sue Wirick,Brigitte Wopenka,Hikaru Yabuta,Richard N. Zare,Michael E. Zolensky +54 more
TL;DR: The presence of deuterium and nitrogen-15 excesses suggest that some organics have an interstellar/protostellar heritage and a diverse suite of organic compounds is present and identifiable within the returned samples.
Journal ArticleDOI
Widespread magma oceans on asteroidal bodies in the early Solar System
TL;DR: It is shown that magma oceans were present on all the differentiated Solar System bodies so far sampled, and the modification of such bodies before incorporation into larger objects can explain some anomalous planetary features, such as Earth's high Mg/Si ratio.
Journal ArticleDOI
Impact features on Stardust : implications for Comet 81P/Wild 2 dust
Friedrich Hörz,Ron K. Bastien,Janet Borg,John P. Bradley,John Bridges,Donald E. Brownlee,Mark J. Burchell,Miaofang Chi,Mark J. Cintala,Zu Rong Dai,Zahia Djouadi,Gerardo Dominguez,Thanasis E. Economou,Sam A. J. Fairey,Christine Floss,Ian A. Franchi,Giles A. Graham,Simon F. Green,Philipp R. Heck,Peter Hoppe,Joachim Huth,Hope A. Ishii,Anton T. Kearsley,Jochen Kissel,Jan Leitner,Hugues Leroux,Kuljeet K. Marhas,Keiko Messenger,Craig S. Schwandt,Thomas A. See,Christopher J. Snead,Frank J. Stadermann,Thomas Stephan,Rhonda M. Stroud,Nicholas Teslich,Josep M. Trigo-Rodríguez,Anthony J. Tuzzolino,David Troadec,Peter Tsou,J. Warren,Andrew J. Westphal,Penelope J. Wozniakiewicz,Ian Wright,Ernst Zinner +43 more
TL;DR: Particles emanating from comet 81P/Wild 2 collided with the Stardust spacecraft at 6.1 kilometers per second, producing hypervelocity impact features on the collector surfaces that were returned to Earth.