Search Results - "Achondrites"

Chronology of ungrouped achondrites Northwest Africa 11119 and 7325/8486: implications for early evolution of a heterogeneous crust on a differentiated planetesimal.

Authors: Dunlap, Daniel R. Cartwright, Julia A. Koefoed, Piers et al.

Source: Geochimica et Cosmochimica Acta. May2026, Vol. 421, p301-312. 12p.

Subjects: Achondrites, Solar system, Isotope geology, Historical chronology, Magmatism

Geographic Terms: Northwest Africa

Olivine Microstructure Constraints on Ureilite Parent Body Deformation.

Authors: Li, Yaozhu McCausland, Phil J. A. Flemming, Roberta L. et al.

Source: Journal of Geophysical Research. Planets. May2026, Vol. 131 Issue 5, p1-14. 14p.

Subject Terms: Olivine, Microstructure, Meteorites, Crystal grain boundaries, Mechanical shock, Electron backscattering, Achondrites

In Other Journals.

Authors: Smith, Keith T. Ross, Sarah H. Hurtley, Stella M. et al.

Source: Science. 3/21/2025, Vol. 387 Issue 6740, p1265-1266. 2p.

Parent body processing and constraints on an IAB iron connection from Re-Os isotopes and highly siderophile element abundances in winonaites.

Authors: Zhang, Xinmu J. Day, James M.D. Nicklas, Robert W. et al.

Source: Geochimica et Cosmochimica Acta. Dec2025, Vol. 411, p19-38. 20p.

Subjects: Siderophile elements, Achondrites, Analytical geochemistry, Iron meteorites, Chondrites, Osmium isotopes

Achondrites in meteor data: Spectra, dynamics, and physical properties of candidate aubrite and eucrite impactors.

Authors: Matlovič, P. Pisarčíková, A. Pazderová, V. et al.

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. 2026, Vol. 706, p1-10. 10p.

THE LAND OF METEORITES.

Authors: KNUDSON, JACK (AUTHOR)

Source: Discover. Spring2026, Vol. 47 Issue 2, p70-70. 1p. 6 Color Photographs.

Subjects: Chondrites, Achondrites, Meteorite analysis, Antarctic ice

Geographic Terms: United States, East Antarctica (Antarctica), Transantarctic Mountains (Antarctica)

Characterisation of samples from different meteorite classes using X-ray fluorescence spectroscopy.

Alternate Title: Характеризиране на проби от различни метеоритни класове с помощта на рентгенова флуоресцентна спектроскопия

Authors: Dankov, Kolyo Dochev, Docho

Source: Review of the Bulgarian Geological Society. 2024, Vol. 85 Issue 2, p148-151. 4p.

Subjects: Carbonaceous chondrites (Meteorites), Achondrites, Chondrites, Meteorites, Fluorescence spectroscopy

Differentiated planetesimals record differing sources of sulfur in inner and outer solar system materials.

Authors: Heiny, Elizabeth A. Stolper, Edward M. Eiler, John M.

Source: Proceedings of the National Academy of Sciences of the United States of America. 5/6/2025, Vol. 122 Issue 18, p1-8. 18p.

Subjects: Iron meteorites, Achondrites, Sulfur isotopes, Solar system, Meteorites

Ureilite parent body evolution from the perspective of noble gases and oxygen in samples from the Almahata Sitta strewn field.

Authors: Riebe, M.E.I. Plant, A.A. Meier, M.M.M. et al.

Source: Geochimica et Cosmochimica Acta. Apr2025, Vol. 394, p70-92. 23p.

Subjects: Oxygen isotopes, Achondrites, Petrology, Solar system, Chondrites

Fractionation of radiogenic Pb isotopes in meteorites and their components induced by acid leaching.

Authors: Amelin, Yuri Yin, Qing-Zhu Koefoed, Piers et al.

Source: Geochimica et Cosmochimica Acta. Mar2025, Vol. 392, p52-69. 18p.

Subjects: Age discrimination, Achondrites, Isotopic fractionation, Meteorites, Leachate

Symplectite formation in ultramafic achondrites by impact percolation of a sulfide melt.

Authors: Váci, Z. Kruttasch, P.M. Krawczynski, M.J. et al.

Source: Geochimica et Cosmochimica Acta. Dec2024, Vol. 386, p33-47. 15p.

Subjects: Achondrites, Petrology, Mineralogy, Crystal grain boundaries, Lherzolite, Chromite, Olivine

53Mn-53Cr chronometry of ureilites: Implications for the timing of parent body accretion, differentiation and secondary reduction.

Authors: Kruttasch, Pascal M. Anand, Aryavart Warren, Paul H. et al.

Source: Geochimica et Cosmochimica Acta. Oct2024, Vol. 383, p108-119. 12p.

Subjects: Achondrites, Protoplanetary disks, Chemical processes, Solar system, Chromite, Planetesimals

Evidence for phosphate metasomatism in an olivine‐rich achondrites.

Authors: Nicklas, Robert W. Chen, Melody Z.‐A. Saltman, Evan J. et al.

Source: Meteoritics & Planetary Science. Jun2025, Vol. 60 Issue 6, p1302-1317. 16p.

Early Partial Melting and Formation of Na‐Rich Asteroidal Crust Revealed by the Albite‐Rich Achondrite Erg Atouila 001.

Authors: Wu, Y. Che, X. Pan, L. et al.

Source: Journal of Geophysical Research. Planets. May2025, Vol. 130 Issue 5, p1-21. 21p.

The H-poor nature of incompletely melted planetesimals: The view from acapulcoites and lodranites.

Authors: Peterson, Liam D. Newcombe, Megan E. Alexander, Conel M.O'D. et al.

Source: Geochimica et Cosmochimica Acta. Apr2024, Vol. 370, p1-14. 14p.

Subjects: Planetesimals, Achondrites, Inner planets, Orthopyroxene, Plagioclase, Meteorites

Photochemical Mass-Independent Sulfur Isotopes in Achondritic Meteorites.

Authors: Rai, Vinai K. Jackson, Teresa L. Thiemens, Mark H.

Source: Science (pre-March 2025). 8/12/2005, Vol. 309 Issue 5737, p1062-1065. 4p. 2 Diagrams, 1 Chart, 1 Graph.

Predicting differentiated achondrite parent bodies through machine learning: Insights from major element.

Authors: Yan, Zhao Kang, Jin-Ting Hsu, Weibiao et al.

Source: Applied Geochemistry. Feb2026, Vol. 198, pN.PAG-N.PAG. 1p.

Subjects: Machine learning, Achondrites, Analytical geochemistry, Web-based user interfaces, Classification, Planetary science, Meteorite analysis

Igneous intrusion origin for the petrofabric of Erg Chech 002.

Authors: Beros, C. Tait, K. T. Di Cecco, V. E. et al.

Source: Meteoritics & Planetary Science. Jul2024, Vol. 59 Issue 7, p1742-1750. 9p.

Highly siderophile element fractionation during chondrite melting inferred from olivine-rich primitive achondrites.

Authors: Nicklas, Robert W. Day, James M.D. Váci, Zoltán et al.

Source: Geochimica et Cosmochimica Acta. Jun2023, Vol. 351, p66-77. 12p.

Subjects: Siderophile elements, Achondrites, Melting, Osmium isotopes, Solubility, Olivine, Martian meteorites, Asteroids

Mass-dependent nickel isotopic variations in achondrites and lunar rocks.

Authors: Wang, Shui-Jiong Li, Shi-Jie Lin, Yangting et al.

Source: Geochimica et Cosmochimica Acta. Jun2023, Vol. 350, p16-27. 12p.

Subjects: Achondrites, Core materials, Isotopic fractionation, Nickel, Nickel isotopes, Lunar surface