Results 181 to 190 of about 8,123 (247)

The Ringed World: Saturn from Cassini to The James Webb Space Telescope. [PDF]

Nat Commun
Tiranti P.
europepmc   +1 more source

Oxygen isotope variability in the IIIAB iron meteorites and their relationship to main group pallasites

Meteoritics &Planetary Science, EarlyView.
Abstract The light element distribution in planetary cores and the processes driving core evolution in rocky planets are poorly understood. Magmatic iron meteorites are samples from the cores of ancient embryonic planetesimals and therefore provide a window into the processes governing core evolution. We performed high precision oxygen isotope analyses
R. J. Windmill, I. A. Franchi, X. Zhao, R. C. Greenwood, M. Anand   +4 more
wiley   +1 more source

Spatially distributed complex organic matter detected in an ancient river valley in Jezero crater, Mars. [PDF]

Sci Adv
Murphy AE, Uckert K, Hand KP, Bhartia R, Bykov SV, Hickman-Lewis K, Jakubek RS, Lee C, McCubbin FM, Minitti ME, Pascuzzo A, Siljeström S, Sharma S, Steele A, Williford KH, Abbey W, Asher SA, Barnes R, Barr PA, Bell JF, Beyssac O, Bosak T, Bramble MS, Brown A, Broz AP, Buckner D, Cardarelli EL, Carsten JL, Corpolongo A, Czaja A, Edgington SGC, Ehlmann BL, Farley KA, Fornaro T, Fries M, González-Burgos R, Gupta S, Haney NC, Hug W, Huggett J, Hurowitz JA, Imbeah S, Clark J, Jones AJ, Kah LC, Kennedy MR, Lee SW, Maki J, Nixon B, Núñez JI, Osterhout JT, Phelan ND, Phua YY, Ravine MA, Hollis JR, Scheller E, Schulte MD, Sephton MA, Simon JI, Srivastava A, Stack KM, Van Beek J, Weiss BP, Wiens R, Williams AJ, Wogsland BV, Yingst RA.   +66 more
europepmc   +1 more source

Microstructural evidence for multiple generations of sulfide precipitation and impact‐induced thermal alteration under acidic conditions on Asteroid Ryugu

Meteoritics &Planetary Science, EarlyView.
Abstract Here we report on the microstructure and chemistry of sulfide minerals returned from asteroid (162173) Ryugu. We identify a unique sulfide population in particle A0016 composed of violarite (FeNi2S4), pyrite (FeS2), chalcopyrite (CuFeS2), pyrrhotite (Fe1‐xS), and pentlandite ([Fe,Ni]9S8).
M. C. Benner, B. S. Prince, D. L. Schrader, T. J. Zega   +3 more
wiley   +1 more source

Comparative Analysis of Industrial Fused Magnesia from Natural and Flotation-Processed Magnesite: Associations Among CaO/SiO₂ Ratio, Silicate Phase Formation, and Microcracking. [PDF]

Materials (Basel)
Wang C, Luan J, Yang Z, Ma Q, Wang G, Zang X.   +5 more
europepmc   +1 more source

Analysis of silicate features by large aggregate grain model

Abstracts for fall meeting of the Japanese Society for Planetary Science, 2005
Nakamura, Yoshihiro, Okada, Yasuhiko, Nomura, Hideko, Asada, Akihiro, Urakawa, Seitaro, Mukai, Tadashi   +5 more
openaire   +1 more source

Nature, origin, and phosphorylation potential of the phosphorus/sulfur‐bearing nanoscale multiphasic assemblages in the CM chondrites Murchison and Murray

Meteoritics &Planetary Science, EarlyView.
Abstract Carbonaceous chondrites contain phosphorus, whose speciation and thus history remain to be investigated. Phosphorus/sulfur‐bearing assemblages have been reported in carbonaceous CM chondrites, but there is no consensus about their exact compositions and origins.
Valentine Megevand, Sylvain Bernard, Corentin Le Guillou, Roberto Conconi, François Guyot   +4 more
wiley   +1 more source

Dissolution of Fe(III)-rich basaltic glass in microbial cultures of iron-reducing microorganisms. [PDF]

Front Microbiol
Yunda E, Gorlas A, Guyot F, Testemale D, Daval D.   +4 more
europepmc   +1 more source

The first discovery of a shocked, metasomatised CV3 chondrule‐fragment in a (Al,Cu)‐bearing micrometeorite

Meteoritics &Planetary Science, EarlyView.
Abstract We report the discovery of the second (Al,Cu)‐alloy–bearing micrometeorite, FB‐A2, recovered from Mount Gariglione (southern Italy), representing the sixth such occurrence worldwide. Although chondritic in nature, FB‐A2 differs markedly from previously described microspherules.
Giovanna Agrosì, Paola Manzari, Daniela Mele, Johan Villeneuve, Tiziano Catelani, Mattew J. Genge, Luca Bindi   +6 more
wiley   +1 more source

Interstellar ices as carriers of supernova material to the early solar system. [PDF]

Nat Commun
Bizzarro M, Schiller M, Holst J, Bouvier L, Groen M, Moynier F, van Kooten EMME, Schönbächler M, Haugbølle T, Watson D, Johansen A, Connelly JN, Bizzarro E.   +12 more
europepmc   +1 more source