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Record W2112430193 · doi:10.1126/science.1244734

Elemental Geochemistry of Sedimentary Rocks at Yellowknife Bay, Gale Crater, Mars

2013· article· en· W2112430193 on OpenAlexafffundabout
S. M. McLennan, R. B. Anderson, J. F. Bell, J. C. Bridges, F. J. Calef, John Campbell, B. C. Clark, S. M. Clegg, P. G. Conrad, A. Cousin, David J. Des Marais, Gilles Dromart, M. D. Dyar, L. A. Edgar, B. L. Ehlmann, C. Fabre, O. Forni, O. Gasnault, R. Gellert, S. Gordon, J. A. Grant, J. P. Grotzinger, Sanjeev Gupta, K. E. Herkenhoff, J. A. Hurowitz, P. L. King, Stéphane Le Mouëlic, L. A. Leshin, Richard Léveillé, K. W. Lewis, N. Mangold, S. Maurice, D. W. Ming, R. V. Morris, M. Nachon, H. E. Newsom, A. Ollila, G. M. Perrett, M. S. Rice, M. E. Schmidt, S. P. Schwenzer, K. M. Stack, Edward M. Stolper, D. Y. Sumner, A. H. Treiman, S. J. VanBommel, D. T. Vaniman, A. R. Vasavada, R. C. Wiens, R. A. Yingst, Nathan Bridges, J. R. Johnson, M. E. Minitti, David A. Cremers, Jack D. Farmer, Austin Godber, M. Wadhwa, Danika Wellington, Ian McEwan, Claire Newman, M. I. Richardson, Antoine Charpentier, Laurent Péret, Jennifer G. Blank, Gerald Weigle, Shuai Li, R. E. Milliken, Kevin M. Robertson, V. Z. Sun, Michael B. Baker, Christopher S. Edwards, Kenneth Farley, Jennifer Griffes, Hayden Miller, Megan Newcombe, Cedric Pilorget, Kirsten Siebach, C. Brunet, Victoria Hipkin, Geneviève Marchand, Pablo Sobrón Sánchez, Laurent Favot, George D. Cody, A. Steele, Lorenzo Flückiger, David Lees, Ara Nefian, Mildred Martin, M. Gailhanou, Francès Westall, G. Israël, Christophe Agard, Julien Baroukh, Christophe Donny, Alain Gaboriaud, Philippe Guillemot, Vivian Lafaille, Éric Lorigny, Alexis Paillet, R. Pérez, M. Saccoccio, Charles Yana, Carlos Armiens‐Aparicio, Javier Rodríguez, Isaías Carrasco Blázquez, Felipe Gómez, Javier Gómez‐Elvira, Sebastian Hettrich, Alain Lepinette Malvitte, Mercedes Marín Jiménez, Jesús Martínez‐Frías, Javier Martín-Soler, Javier Martín‐Torres, Antonio Molina Jurado, Luis Mora‐Sotomayor, G. M. Muñoz, Sara Navarro López, Verónica Peinado-González, Jorge Pla‐García, J. A. Rodríguez‐Manfredi, Julio José Romeral-Planelló, Sara Alejandra Sans Fuentes, Roser Urqui-O'Callaghan, Steve Chipera, Jean-Luc Lacour, Patrick Mauchien, Jean‐Baptiste Sirven, Heidi Manning, Alberto González Fairén, Alexander G. Hayes, Jonathan Joseph, S. W. Squyres, Robert Sullivan, P. C. Thomas, Audrey Dupont, Angela Lundberg, Noureddine Melikechi, Alissa Mezzacappa, Julia DeMarines, David Grinspoon, Günther Reitz, Benito Prats, Evgeny Atlaskin, M. Genzer, Ari‐Matti Harri, Harri Haukka, Henrik Kahanpää, Janne Kauhanen, Mark Paton, Jouni Polkko, W. Schmidt, Tero Siili, J. J. Wray, Franck Poitrasson, Kiran Patel, Stephen Gorevan, Stephen Indyk, G. Paulsen, D. L. Bish, Juergen Schieber, B. Gondet, Yves Langevin, Claude Geffroy, David Baratoux, Gilles Berger, Alain Cros, C. d’Uston, Jérémie Lasue, Qiu-Mei Lee, Pierre-Yves Meslin, E. Pallier, Yann Parot, P. Pinet, Susanne Schröder, Mike Toplis, Éric Lewin, W. Brunner, Ezat Heydari, Cherie Achilles, Dorothy Z. Oehler, B. Sutter, M. Cabane, David Coscia, Cyril Szopa, François Robert, Violaine Sautter, A. Buch, Fabien Stalport, Patrice Coll, Pascaline François, F. Raulin, Samuel Teinturier, James F. Cameron, Dorothea DeLapp, Robert Dingler, Ryan S. Jackson, Stephen Johnstone, N. Lanza, Cynthia Little, Tony Nelson, Richard B. Williams, Andrea Jones, L. E. Kirkland, Burt Baker, B. A. Cantor, M. A. Caplinger, Scott Davis, Brian Duston, K. S. Edgett, Donald Fay, C. Hardgrove, David Harker, Paul Herrera, Elsa Jensen, Megan R. Kennedy, Gillian Krezoski, Daniel Krysak, Leslie Lipkaman, M. C. Malin, Elaina McCartney, Sean McNair, Brian Nixon, Liliya Posiolova, M. A. Ravine, Andrew Salamon, Lee Saper, Kevin Stoiber, Kimberley Supulver, Jason Van Beek, Tessa Van Beek, Robert Zimdar, Katherine L. French, Karl Iagnemma, Kristen Miller, Roger E. Summons, Fred Goesmann, W. Goetz, S. F. Hviid, Micah Johnson, Matthew Lefavor, Eric Lyness, Elly Breves, C. I. Fassett, David F. Blake, T. F. Bristow, Laurence Edwards, R. M. Haberle, Tori M. Hoehler, Jeff Hollingsworth, M. A. Kahre, Leslie Keely, Christopher P. McKay, L. V. Bleacher, W. B. Brinckerhoff, David Choi, Jason P. Dworkin, J. L. Eigenbrode, Melissa Floyd, Caroline Freissinet, J. B. Garvin, D. P. Glavin, Daniel Harpold, P. R. Mahaffy, David K. Martin, A. C. McAdam, Alexander A. Pavlov, E. Raaen, Michael D. Smith, J. C. Stern, Florence Tan, M. G. Trainer, Michael A. Meÿer, A. Posner, Mary Voytek, Robert C. Anderson, A. D. Aubrey, L. W. Beegle, Alberto Behar, Diana Blaney, D. E. Brinza, L. E. Christensen, Joy A. Crisp, Lauren DeFlores, Jason Feldman, Sabrina Feldman, Gregory J. Flesch, Insoo Jun, Didier Keymeulen, Justin Maki, Michael Mischna, John Michael Morookian, T. J. Parker, Betina Pavri, Marcel Schoppers, Aaron Sengstacken, John J. Simmonds, N. Spanovich, Manuel de la Torre Juárez, Christopher R. Webster, A. S. Yen, P. D. Archer, Francis Cucinotta, John H. Jones, P. B. Niles, Elizabeth Rampe, Thomas Nolan, M. R. Fisk, Leon J. Radziemski, Bruce Barraclough, Steve Bender, D. C. Berman, Eldar Noe Dobrea, R. L. Tokar, R. M. E. Williams, T. Cleghorn, Wesley T. Huntress, Gérard Manhès, Judy Hudgins, T. Olson, Noel Stewart, Philippe Sarrazin, Edward P. Vicenzi, Sharon A. Wilson, Mark Bullock, Bent Ehresmann, V. E. Hamilton, Donald M. Hassler, Joseph Peterson, Scot Rafkin, C. Zeitlin, F. Fedosov, Dmitry Golovin, Natalya Karpushkina, Alexander Kozyrev, M. L. Litvak, A. Malakhov, И. Г. Митрофанов, Maxim Mokrousov, Sergey Nikiforov, В. А. Прохоров, Anton Sanin, V. I. Tretyakov, A. Varenikov, Andrey Vostrukhin, Ruslan Kuzmin, M. J. Wolff, Oliver Botta, Darrell Drake, Keri Bean, M. T. Lemmon, Ella Mae Lee, R. Sucharski, J. J. Blanco, Miguel Ramos, Myung-Hee Kim, Charles Malespin, Ianik Plante, Jan‐Peter Müller, R. Navarro‐González, R. C. Ewing, W. V. Boynton, Robert T. Downs, Mike Fitzgibbon, K. Harshman, Shaunna M. Morrison, William Dietrich, Onno Kortmann, M. C. Palucis, Amy M. Williams, Günter Lugmair, Michael A. Wilson, David Rubin, B. M. Jakosky, T. Balić-Žunić, Jens Frydenvang, Jaqueline Kløvgaard Jensen, K. M. Kinch, Asmus Koefoed, M. B. Madsen, S. L. S. Stipp, Irina Pradler, Samantha Jacob, Tobias Owen, Scott K. Rowland, Hannu Savijärvi, Eckart Boehm, Stephan Böttcher, S. Burmeister, Jingnan Guo, Jan Köhler, César Martín García, Reinhold Mueller-Mellin, R. F. Wimmer‐Schweingruber, Timothy McConnochie, M. Benna, H. B. Franz, Hannah Bower, Anna Brunner, Hannah Blau, Thomas Boucher, Marco Carmosino, S. K. Atreya, Harvey Elliott, Douglas Halleaux, N. O. Rennó, Michael Wong, Robert O. Pepin, Beverley Elliott, J. G. Spray, L. M. Thompson, Joshua Williams, Paulo Vasconcelos, Jennifer Bentz, Kenneth H. Nealson, Radu Popa, Linda C. Kah, J. Moersch, Christopher Tate, Mackenzie Day, Gary Kocurek, B. Hallet, R. S. Sletten, Raymond Francis, Emily McCullough, Ed Cloutis, I. L. ten Kate, R. E. Arvidson, A. A. Fraeman, Daniel Scholes, S. Slavney, Thomas Stein, Jennifer Ward, Jeffrey Berger, John E. Moores

Bibliographic record

VenueScience · 2013
Typearticle
Languageen
FieldPhysics and Astronomy
TopicPlanetary Science and Exploration
Canadian institutionsBrock UniversityCanadian Space AgencyUniversity of Guelph
FundersNatural Sciences and Engineering Research Council of CanadaLamont-Doherty Earth Observatory, Columbia UniversityCentre National d’Etudes SpatialesNational Aeronautics and Space AdministrationCalifornia Institute of TechnologyCanadian Space AgencyJet Propulsion Laboratory
KeywordsGeologyMars Exploration ProgramSedimentary rockGeochemistryBayImpact craterAstrobiologyOceanography

Abstract

fetched live from OpenAlex

Sedimentary rocks examined by the Curiosity rover at Yellowknife Bay, Mars, were derived from sources that evolved from an approximately average martian crustal composition to one influenced by alkaline basalts. No evidence of chemical weathering is preserved, indicating arid, possibly cold, paleoclimates and rapid erosion and deposition. The absence of predicted geochemical variations indicates that magnetite and phyllosilicates formed by diagenesis under low-temperature, circumneutral pH, rock-dominated aqueous conditions. Analyses of diagenetic features (including concretions, raised ridges, and fractures) at high spatial resolution indicate that they are composed of iron- and halogen-rich components, magnesium-iron-chlorine-rich components, and hydrated calcium sulfates, respectively. Composition of a cross-cutting dike-like feature is consistent with sedimentary intrusion. The geochemistry of these sedimentary rocks provides further evidence for diverse depositional and diagenetic sedimentary environments during the early history of Mars.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.059
Threshold uncertainty score0.118

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0020.001
Science and technology studies0.0010.000
Scholarly communication0.0000.000
Open science0.0000.001
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0010.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.006
GPT teacher head0.206
Teacher spread0.199 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

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Citations304
Published2013
Admission routes3
Has abstractyes

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