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Disponibilidad
| Institución detectada | Período | Navegá | Descargá | Solicitá |
|---|---|---|---|---|
| No detectada | desde mar. 1997 / hasta dic. 2023 | Science Journals |
Información
Tipo de recurso:
revistas
ISSN impreso
0036-8075
ISSN electrónico
1095-9203
Editor responsable
American Association for the Advancement of Science (AAAS)
País de edición
Estados Unidos
Fecha de publicación
1880-
Cobertura temática
Tabla de contenidos
Volatile and Organic Compositions of Sedimentary Rocks in Yellowknife Bay, Gale Crater, Mars
D. W. Ming; P. D. Archer; D. P. Glavin; J. L. Eigenbrode; H. B. Franz; B. Sutter; A. E. Brunner; J. C. Stern; C. Freissinet; A. C. McAdam; P. R. Mahaffy; M. Cabane; P. Coll; J. L. Campbell; S. K. Atreya; P. B. Niles; J. F. Bell; D. L. Bish; W. B. Brinckerhoff; A. Buch; P. G. Conrad; D. J. Des Marais; B. L. Ehlmann; A. G. Fairén; K. Farley; G. J. Flesch; P. Francois; R. Gellert; J. A. Grant; J. P. Grotzinger; S. Gupta; K. E. Herkenhoff; J. A. Hurowitz; L. A. Leshin; K. W. Lewis; S. M. McLennan; K. E. Miller; J. Moersch; R. V. Morris; R. Navarro-González; A. A. Pavlov; G. M. Perrett; I. Pradler; S. W. Squyres; R. E. Summons; A. Steele; E. M. Stolper; D. Y. Sumner; C. Szopa; S. Teinturier; M. G. Trainer; A. H. Treiman; D. T. Vaniman; A. R. Vasavada; C. R. Webster; J. J. Wray; R. A. Yingst; Osku Kemppinen; Nathan Bridges; Jeffrey R. Johnson; Michelle Minitti; David Cremers; Lauren Edgar; Jack Farmer; Austin Godber; Meenakshi Wadhwa; Danika Wellington; Ian McEwan; Claire Newman; Mark Richardson; Antoine Charpentier; Laurent Peret; Penelope King; Jennifer Blank; Gerald Weigle; Mariek Schmidt; Shuai Li; Ralph Milliken; Kevin Robertson; Vivian Sun; Michael Baker; Christopher Edwards; Bethany Ehlmann; Jennifer Griffes; Megan Newcombe; Cedric Pilorget; Melissa Rice; Kirsten Siebach; Katie Stack; Claude Brunet; Victoria Hipkin; Richard Léveillé; Geneviève Marchand; Pablo Sobrón Sánchez; Laurent Favot; George Cody; Lorenzo Flückiger; David Lees; Ara Nefian; Mildred Martin; Marc Gailhanou; Frances Westall; Guy Israël; Christophe Agard; Julien Baroukh; Christophe Donny; Alain Gaboriaud; Philippe Guillemot; Vivian Lafaille; Eric Lorigny; Alexis Paillet; René Pérez; Muriel Saccoccio; Charles Yana; Carlos Armiens‐Aparicio; Javier Caride Rodríguez; Isaías Carrasco Blázquez; Felipe Gómez Gómez; Javier Gómez-Elvira; Sebastian Hettrich; Alain Lepinette Malvitte; Mercedes Marín Jiménez; Jesús Martínez-Frías; Javier Martín-Soler; F. Javier Martín-Torres; Antonio Molina Jurado; Luis Mora-Sotomayor; Guillermo Muñoz Caro; Sara Navarro López; Verónica Peinado-González; Jorge Pla-García; José Antonio Rodriguez Manfredi; Julio José Romeral-Planelló; Sara Alejandra Sans Fuentes; Eduardo Sebastian Martinez; Josefina Torres Redondo; Roser Urqui-O'Callaghan; María-Paz Zorzano Mier; Steve Chipera; Jean-Luc Lacour; Patrick Mauchien; Jean-Baptiste Sirven; Heidi Manning; Alexander Hayes; Jonathan Joseph; Robert Sullivan; Peter Thomas; Audrey Dupont; Angela Lundberg; Noureddine Melikechi; Alissa Mezzacappa; Julia DeMarines; David Grinspoon; Günther Reitz; Benito Prats; Evgeny Atlaskin; Maria Genzer; Ari-Matti Harri; Harri Haukka; Henrik Kahanpää; Janne Kauhanen; Osku Kemppinen; Mark Paton; Jouni Polkko; Walter Schmidt; Tero Siili; Cécile Fabre; Mary Beth Wilhelm; Franck Poitrasson; Kiran Patel; Stephen Gorevan; Stephen Indyk; Gale Paulsen; Juergen Schieber; Brigitte Gondet; Yves Langevin; Claude Geffroy; David Baratoux; Gilles Berger; Alain Cros; Claude d’Uston; Olivier Forni; Olivier Gasnault; Jérémie Lasue; Qiu-Mei Lee; Sylvestre Maurice; Pierre-Yves Meslin; Etienne Pallier; Yann Parot; Patrick Pinet; Susanne Schröder; Mike Toplis; Éric Lewin; Will Brunner; Ezat Heydari; Cherie Achilles; Dorothy Oehler; David Coscia; Guy Israël; Gilles Dromart; François Robert; Violaine Sautter; Stéphane Le Mouélic; Nicolas Mangold; Marion Nachon; Fabien Stalport; François Raulin; James Cameron; Sam Clegg; Agnès Cousin; Dorothea DeLapp; Robert Dingler; Ryan Steele Jackson; Stephen Johnstone; Nina Lanza; Cynthia Little; Tony Nelson; Roger C. Wiens; Richard B. Williams; Andrea Jones; Laurel Kirkland; Burt Baker; Bruce Cantor; Michael Caplinger; Scott Davis; Brian Duston; Kenneth Edgett; Donald Fay; Craig Hardgrove; David Harker; Paul Herrera; Elsa Jensen; Megan R. Kennedy; Gillian Krezoski; Daniel Krysak; Leslie Lipkaman; Michael Malin; Elaina McCartney; Sean McNair; Brian Nixon; Liliya Posiolova; Michael Ravine; Andrew Salamon; Lee Saper; Kevin Stoiber; Kimberley Supulver; Jason Van Beek; Tessa Van Beek; Robert Zimdar; Katherine Louise French; Karl Iagnemma; Kristen Miller; Fred Goesmann; Walter Goetz; Stubbe Hviid; Micah Johnson; Matthew Lefavor; Eric Lyness; Elly Breves; M. Darby Dyar; Caleb Fassett; David F. Blake; Thomas Bristow; Laurence Edwards; Robert Haberle; Tori Hoehler; Jeff Hollingsworth; Melinda Kahre; Leslie Keely; Christopher McKay; Mary Beth Wilhelm; Lora Bleacher; David Choi; Jason P. Dworkin; Melissa Floyd; James Garvin; Daniel Harpold; Andrea Jones; David K. Martin; Eric Raaen; Michael D. Smith; Florence Tan; Michael Meyer; Arik Posner; Mary Voytek; Robert C. Anderson; Andrew Aubrey; Luther W. Beegle; Alberto Behar; Diana Blaney; David Brinza; Fred Calef; Lance Christensen; Joy A. Crisp; Lauren DeFlores; Jason Feldman; Sabrina Feldman; Insoo Jun; Didier Keymeulen; Justin Maki; Michael Mischna; John Michael Morookian; Timothy Parker; Betina Pavri; Marcel Schoppers; Aaron Sengstacken; John J. Simmonds; Nicole Spanovich; Manuel de la Torre Juarez; Albert Yen; Francis Cucinotta; John H. Jones; Elizabeth Rampe; Thomas Nolan; Martin Fisk; Leon Radziemski; Bruce Barraclough; Steve Bender; Daniel Berman; Eldar Noe Dobrea; Robert Tokar; Rebecca M. E. Williams; Timothy Cleghorn; Wesley Huntress; Gérard Manhès; Judy Hudgins; Timothy Olson; Noel Stewart; Philippe Sarrazin; Edward Vicenzi; Sharon A. Wilson; Mark Bullock; Bent Ehresmann; Victoria Hamilton; Donald Hassler; Joseph Peterson; Scot Rafkin; Cary Zeitlin; Fedor Fedosov; Dmitry Golovin; Natalya Karpushkina; Alexander Kozyrev; Maxim Litvak; Alexey Malakhov; Igor Mitrofanov; Maxim Mokrousov; Sergey Nikiforov; Vasily Prokhorov; Anton Sanin; Vladislav Tretyakov; Alexey Varenikov; Andrey Vostrukhin; Ruslan Kuzmin; Benton Clark; Michael Wolff; Oliver Botta; Darrell Drake; Keri Bean; Mark Lemmon; Susanne P. Schwenzer; Ryan B. Anderson; Ella Mae Lee; Robert Sucharski; Miguel Ángel de Pablo Hernández; Juan José Blanco Ávalos; Miguel Ramos; Myung-Hee Kim; Charles Malespin; Ianik Plante; Jan-Peter Muller; Ryan Ewing; William Boynton; Robert Downs; Mike Fitzgibbon; Karl Harshman; Shaunna Morrison; William Dietrich; Onno Kortmann; Marisa Palucis; Amy Williams; Günter Lugmair; Michael A. Wilson; David Rubin; Bruce Jakosky; Tonci Balic-Zunic; Jens Frydenvang; Jaqueline Kløvgaard Jensen; Kjartan Kinch; Asmus Koefoed; Morten Bo Madsen; Susan Louise Svane Stipp; Nick Boyd; Scott VanBommel; Samantha Jacob; Tobias Owen; Scott Rowland; Evgeny Atlaskin; Hannu Savijärvi; Eckart Boehm; Stephan Böttcher; Sönke Burmeister; Jingnan Guo; Jan Köhler; César Martín García; Reinhold Mueller-Mellin; Robert Wimmer-Schweingruber; John C. Bridges; Timothy McConnochie; Mehdi Benna; Hannah Bower; Hannah Blau; Thomas Boucher; Marco Carmosino; Harvey Elliott; Douglas Halleaux; Nilton Rennó; Michael Wong; Robert Pepin; Beverley Elliott; John Spray; Lucy Thompson; Suzanne Gordon; Horton Newsom; Ann Ollila; Joshua Williams; Paulo Vasconcelos; Jennifer Bentz; Kenneth Nealson; Radu Popa; Linda C. Kah; Christopher Tate; Mackenzie Day; Gary Kocurek; Bernard Hallet; Ronald Sletten; Raymond Francis; Emily McCullough; Ed Cloutis; Inge Loes ten Kate; Ruslan Kuzmin; Raymond Arvidson; Abigail Fraeman; Daniel Scholes; Susan Slavney; Thomas Stein; Jennifer Ward; Jeffrey Berger; John E. Moores;
<jats:p> H <jats:sub>2</jats:sub> O, CO <jats:sub>2</jats:sub> , SO <jats:sub>2</jats:sub> , O <jats:sub>2</jats:sub> , H <jats:sub>2</jats:sub> , H <jats:sub>2</jats:sub> S, HCl, chlorinated hydrocarbons, NO, and other trace gases were evolved during pyrolysis of two mudstone samples acquired by the Curiosity rover at Yellowknife Bay within Gale crater, Mars. H <jats:sub>2</jats:sub> O/OH-bearing phases included 2:1 phyllosilicate(s), bassanite, akaganeite, and amorphous materials. Thermal decomposition of carbonates and combustion of organic materials are candidate sources for the CO <jats:sub>2</jats:sub> . Concurrent evolution of O <jats:sub>2</jats:sub> and chlorinated hydrocarbons suggests the presence of oxychlorine phase(s). Sulfides are likely sources for sulfur-bearing species. Higher abundances of chlorinated hydrocarbons in the mudstone compared with Rocknest windblown materials previously analyzed by Curiosity suggest that indigenous martian or meteoritic organic carbon sources may be preserved in the mudstone; however, the carbon source for the chlorinated hydrocarbons is not definitively of martian origin. </jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible
A Paleogenomic Perspective on Evolution and Gene Function: New Insights from Ancient DNA
B. Shapiro; M. Hofreiter
<jats:sec> <jats:title>Background</jats:title> <jats:p>After three decades of research aimed at recovering DNA from preserved remains, the field of ancient DNA is moving rapidly toward the sequencing and analysis of complete paleogenomes. These data provide a means to better understand evolutionary processes through time, including inference of ancient demography and admixture between lineages, as well as adaptive evolution within populations.</jats:p> </jats:sec> <jats:sec> <jats:title>Advances</jats:title> <jats:p>Key advances enabling a paleogenomic perspective include improvements in DNA extraction and library preparation, as well as methods to enrich ancient libraries for targeted loci. These methods have made it possible to isolate ancient DNA from a far wider range of preservation environments than has been assumed to be attainable, including extending the temporal reach of ancient DNA back to nearly 1 million years.</jats:p> </jats:sec> <jats:sec> <jats:title>Outlook</jats:title> <jats:p>Although relatively few paleogenomes have been published to date, their number is rising rapidly, and it is increasingly clear that the range of specimens from which paleogenomes could be produced is much larger than has been assumed previously. As more data become available, including genomic data from living organisms, the capacity to use paleogenomic data to infer evolutionary change through time will continue to expand, particularly with respect to the evolution of populations and the link between genotype and phenotype.</jats:p> </jats:sec>
Palabras clave: Multidisciplinary.
Pp. No disponible
In Situ Radiometric and Exposure Age Dating of the Martian Surface
K. A. Farley; C. Malespin; P. Mahaffy; J. P. Grotzinger; P. M. Vasconcelos; R. E. Milliken; M. Malin; K. S. Edgett; A. A. Pavlov; J. A. Hurowitz; J. A. Grant; H. B. Miller; R. Arvidson; L. Beegle; F. Calef; P. G. Conrad; W. E. Dietrich; J. Eigenbrode; R. Gellert; S. Gupta; V. Hamilton; D. M. Hassler; K.W. Lewis; S. M. McLennan; D. Ming; R. Navarro-González; S. P. Schwenzer; A. Steele; E. M. Stolper; D. Y. Sumner; D. Vaniman; A. Vasavada; K. Williford; R. F. Wimmer-Schweingruber; David F. Blake; Thomas Bristow; David DesMarais; Laurence Edwards; Robert Haberle; Tori Hoehler; Jeff Hollingsworth; Melinda Kahre; Leslie Keely; Christopher McKay; Mary Beth Wilhelm; Lora Bleacher; William Brinckerhoff; David Choi; Jason P. Dworkin; Melissa Floyd; Caroline Freissinet; James Garvin; Daniel Glavin; Daniel Harpold; David K. Martin; Amy McAdam; Eric Raaen; Michael D. Smith; Jennifer Stern; Florence Tan; Melissa Trainer; Michael Meyer; Arik Posner; Mary Voytek; Robert C. Anderson; Andrew Aubrey; Alberto Behar; Diana Blaney; David Brinza; Lance Christensen; Joy A. Crisp; Lauren DeFlores; Jason Feldman; Sabrina Feldman; Gregory Flesch; Joel Hurowitz; Insoo Jun; Didier Keymeulen; Justin Maki; Michael Mischna; John Michael Morookian; Timothy Parker; Betina Pavri; Marcel Schoppers; Aaron Sengstacken; John J. Simmonds; Nicole Spanovich; Manuel de la Torre Juarez; Christopher R. Webster; Albert Yen; Paul Douglas Archer; Francis Cucinotta; John H. Jones; Richard V. Morris; Paul Niles; Elizabeth Rampe; Thomas Nolan; Martin Fisk; Leon Radziemski; Bruce Barraclough; Steve Bender; Daniel Berman; Eldar Noe Dobrea; Robert Tokar; Rebecca M. E. Williams; Aileen Yingst; Laurie Leshin; Timothy Cleghorn; Wesley Huntress; Gérard Manhès; Judy Hudgins; Timothy Olson; Noel Stewart; Philippe Sarrazin; Edward Vicenzi; Sharon A. Wilson; Mark Bullock; Bent Ehresmann; Joseph Peterson; Scot Rafkin; Cary Zeitlin; Fedor Fedosov; Dmitry Golovin; Natalya Karpushkina; Alexander Kozyrev; Maxim Litvak; Alexey Malakhov; Igor Mitrofanov; Maxim Mokrousov; Sergey Nikiforov; Vasily Prokhorov; Anton Sanin; Vladislav Tretyakov; Alexey Varenikov; Andrey Vostrukhin; Ruslan Kuzmin; Benton Clark; Michael Wolff; Oliver Botta; Darrell Drake; Keri Bean; Mark Lemmon; Ryan B. Anderson; Kenneth Herkenhoff; Ella Mae Lee; Robert Sucharski; Miguel Ángel de Pablo Hernández; Juan José Blanco Ávalos; Miguel Ramos; Myung-Hee Kim; Ianik Plante; Jan-Peter Muller; Ryan Ewing; William Boynton; Robert Downs; Mike Fitzgibbon; Karl Harshman; Shaunna Morrison; Onno Kortmann; Marisa Palucis; Amy Williams; Günter Lugmair; Michael A. Wilson; David Rubin; Bruce Jakosky; Tonci Balic-Zunic; Jens Frydenvang; Jaqueline Kløvgaard Jensen; Kjartan Kinch; Asmus Koefoed; Morten Bo Madsen; Susan Louise Svane Stipp; Nick Boyd; John L. Campbell; Glynis Perrett; Irina Pradler; Scott VanBommel; Samantha Jacob; Tobias Owen; Scott Rowland; Hannu Savijärvi; Eckart Boehm; Stephan Böttcher; Sönke Burmeister; Jingnan Guo; Jan Köhler; César Martín García; Reinhold Mueller-Mellin; John C. Bridges; Timothy McConnochie; Mehdi Benna; Heather Franz; Hannah Bower; Anna Brunner; Hannah Blau; Thomas Boucher; Marco Carmosino; Sushil Atreya; Harvey Elliott; Douglas Halleaux; Nilton Rennó; Michael Wong; Robert Pepin; Beverley Elliott; John Spray; Lucy Thompson; Suzanne Gordon; Horton Newsom; Ann Ollila; Joshua Williams; Jennifer Bentz; Kenneth Nealson; Radu Popa; Linda C. Kah; Jeffrey Moersch; Christopher Tate; Mackenzie Day; Gary Kocurek; Bernard Hallet; Ronald Sletten; Raymond Francis; Emily McCullough; Ed Cloutis; Inge Loes ten Kate; Ruslan Kuzmin; Abigail Fraeman; Daniel Scholes; Susan Slavney; Thomas Stein; Jennifer Ward; Jeffrey Berger; John E. Moores;
<jats:p> We determined radiogenic and cosmogenic noble gases in a mudstone on the floor of Gale Crater. A K-Ar age of 4.21 ± 0.35 billion years represents a mixture of detrital and authigenic components and confirms the expected antiquity of rocks comprising the crater rim. Cosmic-ray–produced <jats:sup>3</jats:sup> He, <jats:sup>21</jats:sup> Ne, and <jats:sup>36</jats:sup> Ar yield concordant surface exposure ages of 78 ± 30 million years. Surface exposure occurred mainly in the present geomorphic setting rather than during primary erosion and transport. Our observations are consistent with mudstone deposition shortly after the Gale impact or possibly in a later event of rapid erosion and deposition. The mudstone remained buried until recent exposure by wind-driven scarp retreat. Sedimentary rocks exposed by this mechanism may thus offer the best potential for organic biomarker preservation against destruction by cosmic radiation. </jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible
A Habitable Fluvio-Lacustrine Environment at Yellowknife Bay, Gale Crater, Mars
J. P. Grotzinger; D. Y. Sumner; L. C. Kah; K. Stack; S. Gupta; L. Edgar; D. Rubin; K. Lewis; J. Schieber; N. Mangold; R. Milliken; P. G. Conrad; D. DesMarais; J. Farmer; K. Siebach; F. Calef; J. Hurowitz; S. M. McLennan; D. Ming; D. Vaniman; J. Crisp; A. Vasavada; K. S. Edgett; M. Malin; D. Blake; R. Gellert; P. Mahaffy; R. C. Wiens; S. Maurice; J. A. Grant; S. Wilson; R. C. Anderson; L. Beegle; R. Arvidson; B. Hallet; R. S. Sletten; M. Rice; J. Bell; J. Griffes; B. Ehlmann; R. B. Anderson; T. F. Bristow; W. E. Dietrich; G. Dromart; J. Eigenbrode; A. Fraeman; C. Hardgrove; K. Herkenhoff; L. Jandura; G. Kocurek; S. Lee; L. A. Leshin; R. Leveille; D. Limonadi; J. Maki; S. McCloskey; M. Meyer; M. Minitti; H. Newsom; D. Oehler; A. Okon; M. Palucis; T. Parker; S. Rowland; M. Schmidt; S. Squyres; A. Steele; E. Stolper; R. Summons; A. Treiman; R. Williams; A. Yingst; MSL Science Team; Osku Kemppinen; Nathan Bridges; Jeffrey R. Johnson; David Cremers; Austin Godber; Meenakshi Wadhwa; Danika Wellington; Ian McEwan; Claire Newman; Mark Richardson; Antoine Charpentier; Laurent Peret; Penelope King; Jennifer Blank; Gerald Weigle; Shuai Li; Kevin Robertson; Vivian Sun; Michael Baker; Christopher Edwards; Kenneth Farley; Hayden Miller; Megan Newcombe; Cedric Pilorget; Claude Brunet; Victoria Hipkin; Richard Léveillé; Geneviève Marchand; Pablo Sobrón Sánchez; Laurent Favot; George Cody; Lorenzo Flückiger; David Lees; Ara Nefian; Mildred Martin; Marc Gailhanou; Frances Westall; Guy Israël; Christophe Agard; Julien Baroukh; Christophe Donny; Alain Gaboriaud; Philippe Guillemot; Vivian Lafaille; Eric Lorigny; Alexis Paillet; René Pérez; Muriel Saccoccio; Charles Yana; Carlos Armiens-Aparicio; Javier Caride Rodríguez; Isaías Carrasco Blázquez; Felipe Gómez Gómez; Javier Gómez-Elvira; Sebastian Hettrich; Alain Lepinette Malvitte; Mercedes Marín Jiménez; Jesús Martínez-Frías; Javier Martín-Soler; F. Javier Martín-Torres; Antonio Molina Jurado; Luis Mora-Sotomayor; Guillermo Muñoz Caro; Sara Navarro López; Verónica Peinado-González; Jorge Pla-García; José Antonio Rodriguez Manfredi; Julio José Romeral-Planelló; Sara Alejandra Sans Fuentes; Eduardo Sebastian Martinez; Josefina Torres Redondo; Roser Urqui-O’Callaghan; María-Paz Zorzano Mier; Steve Chipera; Jean-Luc Lacour; Patrick Mauchien; Jean-Baptiste Sirven; Heidi Manning; Alberto Fairén; Alexander Hayes; Jonathan Joseph; Robert Sullivan; Peter Thomas; Audrey Dupont; Angela Lundberg; Noureddine Melikechi; Alissa Mezzacappa; Julia DeMarines; David Grinspoon; Günther Reitz; Benito Prats; Evgeny Atlaskin; Maria Genzer; Ari-Matti Harri; Harri Haukka; Henrik Kahanpää; Janne Kauhanen; Mark Paton; Jouni Polkko; Walter Schmidt; Tero Siili; Cécile Fabre; James Wray; Mary Beth Wilhelm; Franck Poitrasson; Kiran Patel; Stephen Gorevan; Stephen Indyk; Gale Paulsen; David Bish; Brigitte Gondet; Yves Langevin; Claude Geffroy; David Baratoux; Gilles Berger; Alain Cros; Claude d’Uston; Olivier Forni; Olivier Gasnault; Jérémie Lasue; Qiu-Mei Lee; Pierre-Yves Meslin; Etienne Pallier; Yann Parot; Patrick Pinet; Susanne Schröder; Mike Toplis; Éric Lewin; Will Brunner; Ezat Heydari; Cherie Achilles; Brad Sutter; Michel Cabane; David Coscia; Cyril Szopa; François Robert; Violaine Sautter; Stéphane Le Mouélic; Marion Nachon; Arnaud Buch; Fabien Stalport; Patrice Coll; Pascaline François; François Raulin; Samuel Teinturier; James Cameron; Sam Clegg; Agnès Cousin; Dorothea DeLapp; Robert Dingler; Ryan Steele Jackson; Stephen Johnstone; Nina Lanza; Cynthia Little; Tony Nelson; Richard B. Williams; Andrea Jones; Laurel Kirkland; Burt Baker; Bruce Cantor; Michael Caplinger; Scott Davis; Brian Duston; Donald Fay; David Harker; Paul Herrera; Elsa Jensen; Megan R. Kennedy; Gillian Krezoski; Daniel Krysak; Leslie Lipkaman; Elaina McCartney; Sean McNair; Brian Nixon; Liliya Posiolova; Michael Ravine; Andrew Salamon; Lee Saper; Kevin Stoiber; Kimberley Supulver; Jason Van Beek; Tessa Van Beek; Robert Zimdar; Katherine Louise French; Karl Iagnemma; Kristen Miller; Fred Goesmann; Walter Goetz; Stubbe Hviid; Micah Johnson; Matthew Lefavor; Eric Lyness; Elly Breves; M. Darby Dyar; Caleb Fassett; Laurence Edwards; Robert Haberle; Tori Hoehler; Jeff Hollingsworth; Melinda Kahre; Leslie Keely; Christopher McKay; Lora Bleacher; William Brinckerhoff; David Choi; Jason P. Dworkin; Melissa Floyd; Caroline Freissinet; James Garvin; Daniel Glavin; Daniel Harpold; David K. Martin; Amy McAdam; Alexander Pavlov; Eric Raaen; Michael D. Smith; Jennifer Stern; Florence Tan; Melissa Trainer; Arik Posner; Mary Voytek; Andrew Aubrey; Alberto Behar; Diana Blaney; David Brinza; Lance Christensen; Lauren DeFlores; Jason Feldman; Sabrina Feldman; Gregory Flesch; Insoo Jun; Didier Keymeulen; Michael Mischna; John Michael Morookian; Betina Pavri; Marcel Schoppers; Aaron Sengstacken; John J. Simmonds; Nicole Spanovich; Manuel de la Torre Juarez; Christopher R. Webster; Albert Yen; Paul Douglas Archer; Francis Cucinotta; John H. Jones; Richard V. Morris; Paul Niles; Elizabeth Rampe; Thomas Nolan; Martin Fisk; Leon Radziemski; Bruce Barraclough; Steve Bender; Daniel Berman; Eldar Noe Dobrea; Robert Tokar; Timothy Cleghorn; Wesley Huntress; Gérard Manhès; Judy Hudgins; Timothy Olson; Noel Stewart; Philippe Sarrazin; Edward Vicenzi; Mark Bullock; Bent Ehresmann; Victoria Hamilton; Donald Hassler; Joseph Peterson; Scot Rafkin; Cary Zeitlin; Fedor Fedosov; Dmitry Golovin; Natalya Karpushkina; Alexander Kozyrev; Maxim Litvak; Alexey Malakhov; Igor Mitrofanov; Maxim Mokrousov; Sergey Nikiforov; Vasily Prokhorov; Anton Sanin; Vladislav Tretyakov; Alexey Varenikov; Andrey Vostrukhin; Ruslan Kuzmin; Benton Clark; Michael Wolff; Oliver Botta; Darrell Drake; Keri Bean; Mark Lemmon; Susanne P. Schwenzer; Ella Mae Lee; Robert Sucharski; Miguel Ángel de Pablo Hernández; Juan José Blanco Ávalos; Miguel Ramos; Myung-Hee Kim; Charles Malespin; Ianik Plante; Jan-Peter Muller; Rafael Navarro-González; Ryan Ewing; William Boynton; Robert Downs; Mike Fitzgibbon; Karl Harshman; Shaunna Morrison; Onno Kortmann; Amy Williams; Günter Lugmair; Michael A. Wilson; Bruce Jakosky; Tonci Balic-Zunic; Jens Frydenvang; Jaqueline Kløvgaard Jensen; Kjartan Kinch; Asmus Koefoed; Morten Bo Madsen; Susan Louise Svane Stipp; Nick Boyd; John L. Campbell; Glynis Perrett; Irina Pradler; Scott VanBommel; Samantha Jacob; Tobias Owen; Hannu Savijärvi; Eckart Boehm; Stephan Böttcher; Sönke Burmeister; Jingnan Guo; Jan Köhler; César Martín García; Reinhold Mueller-Mellin; Robert Wimmer-Schweingruber; John C. Bridges; Timothy McConnochie; Mehdi Benna; Heather Franz; Hannah Bower; Anna Brunner; Hannah Blau; Thomas Boucher; Marco Carmosino; Sushil Atreya; Harvey Elliott; Douglas Halleaux; Nilton Rennó; Michael Wong; Robert Pepin; Beverley Elliott; John Spray; Lucy Thompson; Suzanne Gordon; Ann Ollila; Joshua Williams; Paulo Vasconcelos; Jennifer Bentz; Kenneth Nealson; Radu Popa; Jeffrey Moersch; Christopher Tate; Mackenzie Day; Raymond Francis; Emily McCullough; Ed Cloutis; Inge Loes ten Kate; Daniel Scholes; Susan Slavney; Thomas Stein; Jennifer Ward; Jeffrey Berger; John E. Moores
<jats:p>The Curiosity rover discovered fine-grained sedimentary rocks, which are inferred to represent an ancient lake and preserve evidence of an environment that would have been suited to support a martian biosphere founded on chemolithoautotrophy. This aqueous environment was characterized by neutral pH, low salinity, and variable redox states of both iron and sulfur species. Carbon, hydrogen, oxygen, sulfur, nitrogen, and phosphorus were measured directly as key biogenic elements; by inference, phosphorus is assumed to have been available. The environment probably had a minimum duration of hundreds to tens of thousands of years. These results highlight the biological viability of fluvial-lacustrine environments in the post-Noachian history of Mars.</jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible
Ancient Aqueous Environments at Endeavour Crater, Mars
R. E. Arvidson; S. W. Squyres; J. F. Bell; J. G. Catalano; B. C. Clark; L. S. Crumpler; P. A. de Souza; A. G. Fairén; W. H. Farrand; V. K. Fox; R. Gellert; A. Ghosh; M. P. Golombek; J. P. Grotzinger; E. A. Guinness; K. E. Herkenhoff; B. L. Jolliff; A. H. Knoll; R. Li; S. M. McLennan; D. W. Ming; D. W. Mittlefehldt; J. M. Moore; R. V. Morris; S. L. Murchie; T. J. Parker; G. Paulsen; J. W. Rice; S. W. Ruff; M. D. Smith; M. J. Wolff
<jats:p> Opportunity has investigated in detail rocks on the rim of the Noachian age Endeavour crater, where orbital spectral reflectance signatures indicate the presence of Fe <jats:sup>+3</jats:sup> -rich smectites. The signatures are associated with fine-grained, layered rocks containing spherules of diagenetic or impact origin. The layered rocks are overlain by breccias, and both units are cut by calcium sulfate veins precipitated from fluids that circulated after the Endeavour impact. Compositional data for fractures in the layered rocks suggest formation of Al-rich smectites by aqueous leaching. Evidence is thus preserved for water-rock interactions before and after the impact, with aqueous environments of slightly acidic to circum-neutral pH that would have been more favorable for prebiotic chemistry and microorganisms than those recorded by younger sulfate-rich rocks at Meridiani Planum. </jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible
Mars’ Surface Radiation Environment Measured with the Mars Science Laboratory’s Curiosity Rover
Donald M. Hassler; Cary Zeitlin; Robert F. Wimmer-Schweingruber; Bent Ehresmann; Scot Rafkin; Jennifer L. Eigenbrode; David E. Brinza; Gerald Weigle; Stephan Böttcher; Eckart Böhm; Soenke Burmeister; Jingnan Guo; Jan Köhler; Cesar Martin; Guenther Reitz; Francis A. Cucinotta; Myung-Hee Kim; David Grinspoon; Mark A. Bullock; Arik Posner; Javier Gómez-Elvira; Ashwin Vasavada; John P. Grotzinger; MSL Science Team; Osku Kemppinen; David Cremers; James F. Bell; Lauren Edgar; Jack Farmer; Austin Godber; Meenakshi Wadhwa; Danika Wellington; Ian McEwan; Claire Newman; Mark Richardson; Antoine Charpentier; Laurent Peret; Penelope King; Jennifer Blank; Mariek Schmidt; Shuai Li; Ralph Milliken; Kevin Robertson; Vivian Sun; Michael Baker; Christopher Edwards; Bethany Ehlmann; Kenneth Farley; Jennifer Griffes; Hayden Miller; Megan Newcombe; Cedric Pilorget; Melissa Rice; Kirsten Siebach; Katie Stack; Edward Stolper; Claude Brunet; Victoria Hipkin; Richard Léveillé; Geneviève Marchand; Pablo Sobrón Sánchez; Laurent Favot; George Cody; Andrew Steele; Lorenzo Flückiger; David Lees; Ara Nefian; Mildred Martin; Marc Gailhanou; Frances Westall; Guy Israël; Christophe Agard; Julien Baroukh; Christophe Donny; Alain Gaboriaud; Philippe Guillemot; Vivian Lafaille; Eric Lorigny; Alexis Paillet; René Pérez; Muriel Saccoccio; Charles Yana; Carlos Armiens‐Aparicio; Javier Caride Rodríguez; Isaías Carrasco Blázquez; Felipe Gómez Gómez; Sebastian Hettrich; Alain Lepinette Malvitte; Mercedes Marín Jiménez; Jesús Martínez-Frías; Javier Martín-Soler; F. Javier Martín-Torres; Antonio Molina Jurado; Luis Mora-Sotomayor; Guillermo Muñoz Caro; Sara Navarro López; Verónica Peinado-González; Jorge Pla-García; José Antonio Rodriguez Manfredi; Julio José Romeral-Planelló; Sara Alejandra Sans Fuentes; Eduardo Sebastian Martinez; Josefina Torres Redondo; Roser Urqui-O'Callaghan; María-Paz Zorzano Mier; Steve Chipera; Jean-Luc Lacour; Patrick Mauchien; Jean-Baptiste Sirven; Heidi Manning; Alberto Fairén; Alexander Hayes; Jonathan Joseph; Steven Squyres; Robert Sullivan; Peter Thomas; Audrey Dupont; Angela Lundberg; Noureddine Melikechi; Alissa Mezzacappa; Thomas Berger; Daniel Matthia; Benito Prats; Evgeny Atlaskin; Maria Genzer; Ari-Matti Harri; Harri Haukka; Henrik Kahanpää; Janne Kauhanen; Osku Kemppinen; Mark Paton; Jouni Polkko; Walter Schmidt; Tero Siili; Cécile Fabre; James Wray; Mary Beth Wilhelm; Franck Poitrasson; Kiran Patel; Stephen Gorevan; Stephen Indyk; Gale Paulsen; Sanjeev Gupta; David Bish; Juergen Schieber; Brigitte Gondet; Yves Langevin; Claude Geffroy; David Baratoux; Gilles Berger; Alain Cros; Claude d’Uston; Olivier Forni; Olivier Gasnault; Jérémie Lasue; Qiu-Mei Lee; Sylvestre Maurice; Pierre-Yves Meslin; Etienne Pallier; Yann Parot; Patrick Pinet; Susanne Schröder; Mike Toplis; Éric Lewin; Will Brunner; Ezat Heydari; Cherie Achilles; Dorothy Oehler; Brad Sutter; Michel Cabane; David Coscia; Guy Israël; Cyril Szopa; Gilles Dromart; François Robert; Violaine Sautter; Stéphane Le Mouélic; Nicolas Mangold; Marion Nachon; Arnaud Buch; Fabien Stalport; Patrice Coll; Pascaline François; François Raulin; Samuel Teinturier; James Cameron; Sam Clegg; Agnès Cousin; Dorothea DeLapp; Robert Dingler; Ryan Steele Jackson; Stephen Johnstone; Nina Lanza; Cynthia Little; Tony Nelson; Roger C. Wiens; Richard B. Williams; Andrea Jones; Laurel Kirkland; Allan Treiman; Burt Baker; Bruce Cantor; Michael Caplinger; Scott Davis; Brian Duston; Kenneth Edgett; Donald Fay; Craig Hardgrove; David Harker; Paul Herrera; Elsa Jensen; Megan R. Kennedy; Gillian Krezoski; Daniel Krysak; Leslie Lipkaman; Michael Malin; Elaina McCartney; Sean McNair; Brian Nixon; Liliya Posiolova; Michael Ravine; Andrew Salamon; Lee Saper; Kevin Stoiber; Kimberley Supulver; Jason Van Beek; Tessa Van Beek; Robert Zimdar; Katherine Louise French; Karl Iagnemma; Kristen Miller; Roger Summons; Fred Goesmann; Walter Goetz; Stubbe Hviid; Micah Johnson; Matthew Lefavor; Eric Lyness; Elly Breves; M. Darby Dyar; Caleb Fassett; David F. Blake; Thomas Bristow; David DesMarais; Laurence Edwards; Robert Haberle; Tori Hoehler; Jeff Hollingsworth; Melinda Kahre; Leslie Keely; Christopher McKay; Mary Beth Wilhelm; Lora Bleacher; William Brinckerhoff; David Choi; Pamela Conrad; Jason P. Dworkin; Melissa Floyd; Caroline Freissinet; James Garvin; Daniel Glavin; Daniel Harpold; Andrea Jones; Paul Mahaffy; David K. Martin; Amy McAdam; Alexander Pavlov; Eric Raaen; Michael D. Smith; Jennifer Stern; Florence Tan; Melissa Trainer; Michael Meyer; Mary Voytek; Robert C. Anderson; Andrew Aubrey; Luther W. Beegle; Alberto Behar; Diana Blaney; Fred Calef; Lance Christensen; Joy A. Crisp; Lauren DeFlores; Bethany Ehlmann; Jason Feldman; Sabrina Feldman; Gregory Flesch; Joel Hurowitz; Insoo Jun; Didier Keymeulen; Justin Maki; Michael Mischna; John Michael Morookian; Timothy Parker; Betina Pavri; Marcel Schoppers; Aaron Sengstacken; John J. Simmonds; Nicole Spanovich; Manuel de la Torre Juarez; Christopher R. Webster; Albert Yen; Paul Douglas Archer; John H. Jones; Douglas Ming; Richard V. Morris; Paul Niles; Elizabeth Rampe; Thomas Nolan; Martin Fisk; Leon Radziemski; Bruce Barraclough; Steve Bender; Daniel Berman; Eldar Noe Dobrea; Robert Tokar; David Vaniman; Rebecca M. E. Williams; Aileen Yingst; Kevin Lewis; Laurie Leshin; Timothy Cleghorn; Wesley Huntress; Gérard Manhès; Judy Hudgins; Timothy Olson; Noel Stewart; Philippe Sarrazin; John Grant; Edward Vicenzi; Sharon A. Wilson; Victoria Hamilton; Joseph Peterson; Fedor Fedosov; Dmitry Golovin; Natalya Karpushkina; Alexander Kozyrev; Maxim Litvak; Alexey Malakhov; Igor Mitrofanov; Maxim Mokrousov; Sergey Nikiforov; Vasily Prokhorov; Anton Sanin; Vladislav Tretyakov; Alexey Varenikov; Andrey Vostrukhin; Ruslan Kuzmin; Benton Clark; Michael Wolff; Scott McLennan; Oliver Botta; Darrell Drake; Keri Bean; Mark Lemmon; Susanne P. Schwenzer; Ryan B. Anderson; Kenneth Herkenhoff; Ella Mae Lee; Robert Sucharski; Miguel Ángel de Pablo Hernández; Juan José Blanco Ávalos; Miguel Ramos; Charles Malespin; Ianik Plante; Jan-Peter Muller; Rafael Navarro-González; Ryan Ewing; William Boynton; Robert Downs; Mike Fitzgibbon; Karl Harshman; Shaunna Morrison; William Dietrich; Onno Kortmann; Marisa Palucis; Dawn Y. Sumner; Amy Williams; Günter Lugmair; Michael A. Wilson; David Rubin; Bruce Jakosky; Tonci Balic-Zunic; Jens Frydenvang; Jaqueline Kløvgaard Jensen; Kjartan Kinch; Asmus Koefoed; Morten Bo Madsen; Susan Louise Svane Stipp; Nick Boyd; John L. Campbell; Ralf Gellert; Glynis Perrett; Irina Pradler; Scott VanBommel; Samantha Jacob; Tobias Owen; Scott Rowland; Evgeny Atlaskin; Hannu Savijärvi; César Martín García; Reinhold Mueller-Mellin; John C. Bridges; Timothy McConnochie; Mehdi Benna; Heather Franz; Hannah Bower; Anna Brunner; Hannah Blau; Thomas Boucher; Marco Carmosino; Sushil Atreya; Harvey Elliott; Douglas Halleaux; Nilton Rennó; Michael Wong; Robert Pepin; Beverley Elliott; John Spray; Lucy Thompson; Suzanne Gordon; Horton Newsom; Ann Ollila; Joshua Williams; Paulo Vasconcelos; Jennifer Bentz; Kenneth Nealson; Radu Popa; Linda C. Kah; Jeffrey Moersch; Christopher Tate; Mackenzie Day; Gary Kocurek; Bernard Hallet; Ronald Sletten; Raymond Francis; Emily McCullough; Ed Cloutis; Inge Loes ten Kate; Ruslan Kuzmin; Raymond Arvidson; Abigail Fraeman; Daniel Scholes; Susan Slavney; Thomas Stein; Jennifer Ward; Jeffrey Berger; John E. Moores
<jats:p>The Radiation Assessment Detector (RAD) on the Mars Science Laboratory’s Curiosity rover began making detailed measurements of the cosmic ray and energetic particle radiation environment on the surface of Mars on 7 August 2012. We report and discuss measurements of the absorbed dose and dose equivalent from galactic cosmic rays and solar energetic particles on the martian surface for ~300 days of observations during the current solar maximum. These measurements provide insight into the radiation hazards associated with a human mission to the surface of Mars and provide an anchor point with which to model the subsurface radiation environment, with implications for microbial survival times of any possible extant or past life, as well as for the preservation of potential organic biosignatures of the ancient martian environment.</jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible
Mineralogy of a Mudstone at Yellowknife Bay, Gale Crater, Mars
D. T. Vaniman; D. L. Bish; D. W. Ming; T. F. Bristow; R. V. Morris; D. F. Blake; S. J. Chipera; S. M. Morrison; A. H. Treiman; E. B. Rampe; M. Rice; C. N. Achilles; J. P. Grotzinger; S. M. McLennan; J. Williams; J. F. Bell; H. E. Newsom; R. T. Downs; S. Maurice; P. Sarrazin; A. S. Yen; J. M. Morookian; J. D. Farmer; K. Stack; R. E. Milliken; B. L. Ehlmann; D. Y. Sumner; G. Berger; J. A. Crisp; J. A. Hurowitz; R. Anderson; D. J. Des Marais; E. M. Stolper; K. S. Edgett; S. Gupta; N. Spanovich; Christophe Agard; José Alexandre Alves Verdasca; Ryan Anderson; Doug Archer; Carlos Armiens-Aparicio; Ray Arvidson; Evgeny Atlaskin; Sushil Atreya; Andrew Aubrey; Burt Baker; Michael Baker; Tonci Balic-Zunic; David Baratoux; Julien Baroukh; Bruce Barraclough; Keri Bean; Luther Beegle; Alberto Behar; Steve Bender; Mehdi Benna; Jennifer Bentz; Jeff Berger; Daniel Berman; Juan J. Blanco Avalos; Diana Blaney; Jen Blank; Hannah Blau; Lora Bleacher; Eckart Boehm; Oliver Botta; Stephan Böttcher; Thomas Boucher; Hannah Bower; Nick Boyd; Bill Boynton; Elly Breves; John Bridges; Nathan Bridges; William Brinckerhoff; David Brinza; Claude Brunet; Anna Brunner; Will Brunner; Arnaud Buch; Mark Bullock; Sönke Burmeister; Michel Cabane; Fred Calef; James Cameron; John “Iain” Campbell; Bruce Cantor; Michael Caplinger; Javier Caride Rodríguez; Marco Carmosino; Isaías Carrasco Blázquez; Antoine Charpentier; David Choi; Benton Clark; Sam Clegg; Timothy Cleghorn; Ed Cloutis; George Cody; Patrice Coll; Pamela Conrad; David Coscia; Agnès Cousin; David Cremers; Alain Cros; Frank Cucinotta; Claude d’Uston; Scott Davis; Mackenzie “Kenzie” Day; Manuel de la Torre Juarez; Lauren DeFlores; Dorothea DeLapp; Julia DeMarines; William Dietrich; Robert Dingler; Christophe Donny; Darrell Drake; Gilles Dromart; Audrey Dupont; Brian Duston; Jason Dworkin; M. Darby Dyar; Lauren Edgar; Christopher Edwards; Laurence Edwards; Bent Ehresmann; Jen Eigenbrode; Beverley Elliott; Harvey Elliott; Ryan Ewing; Cécile Fabre; Alberto Fairén; Ken Farley; Caleb Fassett; Laurent Favot; Donald Fay; Fedor Fedosov; Jason Feldman; Sabrina Feldman; Marty Fisk; Mike Fitzgibbon; Greg Flesch; Melissa Floyd; Lorenzo Flückiger; Olivier Forni; Abby Fraeman; Raymond Francis; Pascaline François; Heather Franz; Caroline Freissinet; Katherine Louise French; Jens Frydenvang; Alain Gaboriaud; Marc Gailhanou; James Garvin; Olivier Gasnault; Claude Geffroy; Ralf Gellert; Maria Genzer; Daniel Glavin; Austin Godber; Fred Goesmann; Walter Goetz; Dmitry Golovin; Felipe Gómez Gómez; Javier Gómez-Elvira; Brigitte Gondet; Suzanne Gordon; Stephen Gorevan; John Grant; Jennifer Griffes; David Grinspoon; Philippe Guillemot; Jingnan Guo; Scott Guzewich; Robert Haberle; Douglas Halleaux; Bernard Hallet; Vicky Hamilton; Craig Hardgrove; David Harker; Daniel Harpold; Ari-Matti Harri; Karl Harshman; Donald Hassler; Harri Haukka; Alex Hayes; Ken Herkenhoff; Paul Herrera; Sebastian Hettrich; Ezat Heydari; Victoria Hipkin; Tori Hoehler; Jeff Hollingsworth; Judy Hudgins; Wesley Huntress; Stubbe Hviid; Karl Iagnemma; Steve Indyk; Guy Israël; Ryan Jackson; Samantha Jacob; Bruce Jakosky; Elsa Jensen; Jaqueline Kløvgaard Jensen; Jeffrey Johnson; Micah Johnson; Steve Johnstone; Andrea Jones; John Jones; Jonathan Joseph; Insoo Jun; Linda Kah; Henrik Kahanpää; Melinda Kahre; Natalya Karpushkina; Wayne Kasprzak; Janne Kauhanen; Leslie Keely; Osku Kemppinen; Didier Keymeulen; Myung-Hee Kim; Kjartan Kinch; Penny King; Laurel Kirkland; Gary Kocurek; Asmus Koefoed; Jan Köhler; Onno Kortmann; Alexander Kozyrev; Jill Krezoski; Daniel Krysak; Ruslan Kuzmin; Jean Luc Lacour; Vivian Lafaille; Yves Langevin; Nina Lanza; Jeremie Lasue; Stéphane Le Mouélic; Ella Mae Lee; Qiu-Mei Lee; David Lees; Matthew Lefavor; Mark Lemmon; Alain Lepinette Malvitte; Laurie Leshin; Richard Léveillé; Éric Lewin-Carpintier; Kevin Lewis; Shuai Li; Leslie Lipkaman; Cynthia Little; Maxim Litvak; Eric Lorigny; Guenter Lugmair; Angela Lundberg; Eric Lyness; Morten Madsen; Paul Mahaffy; Justin Maki; Alexey Malakhov; Charles Malespin; Michael Malin; Nicolas Mangold; Gérard Manhes; Heidi Manning; Geneviève Marchand; Mercedes Marín Jiménez; César Martín García; Dave Martin; Mildred Martin; Jesús Martínez-Frías; Javier Martín-Soler; F. Javier Martín-Torres; Patrick Mauchien; Amy McAdam; Elaina McCartney; Timothy McConnochie; Emily McCullough; Ian McEwan; Christopher McKay; Sean McNair; Noureddine Melikechi; Pierre-Yves Meslin; Michael Meyer; Alissa Mezzacappa; Hayden Miller; Kristen Miller; Michelle Minitti; Michael Mischna; Igor Mitrofanov; Jeff Moersch; Maxim Mokrousov; Antonio Molina Jurado; John Moores; Luis Mora-Sotomayor; Reinhold Mueller-Mellin; Jan-Peter Muller; Guillermo Muñoz Caro; Marion Nachon; Sara Navarro López; Rafael Navarro-González; Kenneth Nealson; Ara Nefian; Tony Nelson; Megan Newcombe; Claire Newman; Sergey Nikiforov; Paul Niles; Brian Nixon; Eldar Noe Dobrea; Thomas Nolan; Dorothy Oehler; Ann Ollila; Timothy Olson; Tobias Owen; Miguel Ángel de Pablo Hernández; Alexis Paillet; Etienne Pallier; Marisa Palucis; Timothy Parker; Yann Parot; Kiran Patel; Mark Paton; Gale Paulsen; Alex Pavlov; Betina Pavri; Verónica Peinado-González; Robert Pepin; Laurent Peret; Rene Perez; Glynis Perrett; Joe Peterson; Cedric Pilorget; Patrick Pinet; Jorge Pla-García; Ianik Plante; Franck Poitrasson; Jouni Polkko; Radu Popa; Liliya Posiolova; Arik Posner; Irina Pradler; Benito Prats; Vasily Prokhorov; Sharon Wilson Purdy; Eric Raaen; Leon Radziemski; Scot Rafkin; Miguel Ramos; François Raulin; Michael Ravine; Günther Reitz; Nilton Rennó; Mark Richardson; François Robert; Kevin Robertson; José Antonio Rodriguez Manfredi; Julio J. Romeral-Planelló; Scott Rowland; David Rubin; Muriel Saccoccio; Andrew Salamon; Jennifer Sandoval; Anton Sanin; Sara Alejandra Sans Fuentes; Lee Saper; Violaine Sautter; Hannu Savijärvi; Juergen Schieber; Mariek Schmidt; Walter Schmidt; Daniel “Dan” Scholes; Marcel Schoppers; Susanne Schröder; Susanne Schwenzer; Eduardo Sebastian Martinez; Aaron Sengstacken; Ruslan Shterts; Kirsten Siebach; Tero Siili; Jeff Simmonds; Jean-Baptiste Sirven; Susie Slavney; Ronald Sletten; Michael Smith; Pablo Sobrón Sánchez; John Spray; Steven Squyres; Fabien Stalport; Andrew Steele; Thomas Stein; Jennifer Stern; Noel Stewart; Susan Louise Svane Stipp; Kevin Stoiber; Bob Sucharski; Rob Sullivan; Roger Summons; Vivian Sun; Kimberley Supulver; Brad Sutter; Cyril Szopa; Florence Tan; Christopher Tate; Samuel Teinturier; Inge ten Kate; Peter Thomas; Lucy Thompson; Robert Tokar; Mike Toplis; Josefina Torres Redondo; Melissa Trainer; Vladislav Tretyakov; Roser Urqui-O’Callaghan; Jason Van Beek; Tessa Van Beek; Scott VanBommel; Alexey Varenikov; Ashwin Vasavada; Paulo Vasconcelos; Edward Vicenzi; Andrey Vostrukhin; Mary Voytek; Meenakshi Wadhwa; Jennifer Ward; Chris Webster; Eddie Weigle; Danika Wellington; Frances Westall; Roger Craig Wiens; Mary Beth Wilhelm; Amy Williams; Rebecca Williams; Richard B. “Mouser” Williams; Mike Wilson; Robert Wimmer-Schweingruber; Mike Wolff; Mike Wong; James Wray; Megan Wu; Charles Yana; Aileen Yingst; Cary Zeitlin; Robert Zimdar; María-Paz Zorzano Mier;
<jats:p> Sedimentary rocks at Yellowknife Bay (Gale crater) on Mars include mudstone sampled by the Curiosity rover. The samples, John Klein and Cumberland, contain detrital basaltic minerals, calcium sulfates, iron oxide or hydroxides, iron sulfides, amorphous material, and trioctahedral smectites. The John Klein smectite has basal spacing of ~10 angstroms, indicating little interlayer hydration. The Cumberland smectite has basal spacing at both ~13.2 and ~10 angstroms. The larger spacing suggests a partially chloritized interlayer or interlayer magnesium or calcium facilitating H <jats:sub>2</jats:sub> O retention. Basaltic minerals in the mudstone are similar to those in nearby eolian deposits. However, the mudstone has far less Fe-forsterite, possibly lost with formation of smectite plus magnetite. Late Noachian/Early Hesperian or younger age indicates that clay mineral formation on Mars extended beyond Noachian time. </jats:p>
Palabras clave: Multidisciplinary.
Pp. No disponible
The Present of the Past
Palabras clave: Multidisciplinary.
Pp. i-350
This Week in Science
Palabras clave: Multidisciplinary.
Pp. 350-350
Vascular Endothelium and Tissue Regeneration
Palabras clave: Multidisciplinary.
Pp. 350-350