Quantitative analysis of spectral properties and composition of primitive achondrites (acapulcoites, lodranites and winonaites)
PengYue Wang, Edward Cloutis, Ye Su, PengFei Zhang Icarus, In Press, Journal Pre-proof, Available online 18 September 2024 LINK “Highlights “The establishment of robust meteorite-asteroid links has been a major focus of planetary exploration, and…
The H-poor nature of incompletely melted planetesimals: The view from acapulcoites and lodranites
Liam D. Peterson, Megan E. Newcombe, Conel M.O’D. Alexander, Jianhua Wang, Sune G. Nielsen In Press, Journal Pre-proof, Available online 10 February 2024 LINK “The abundance of H in planetary building blocks is of fundamental…
First widespread occurrence of rare phosphate chladniite in a meteorite, winonaite Graves Nunataks (GRA) 12510: implications for phosphide – phosphate redox buffered genesis in meteoritesOPEN ACCESS
Brendan A. Anzures, Francis M. McCubbin, Timmons M. Erickson, Ryan S. Jakubek, Marc D. Fries, Loan Le American Mineralogist, Preprint PDF (OPEN ACCESS) “The first widespread occurrence of rare Na-, Ca-, and Mg,Mn,Fe-bearing phosphate chladniite…
Light noble gases in 11 achondrites: Cosmic ray exposure ages, gas retention ages, and preatmospheric sizes
Thomas Smith, Huaiyu He, Shijie Li, Fei Su MAPS, Version of Record online: 18 October 2023 LINK “We report light noble gas (He, Ne, and Ar) concentrations and isotopic ratios in 11 achondrites, Tafassasset (unclassified…
Highly siderophile element fractionation during chondrite melting inferred from olivine-rich primitive achondrites
Robert W. Nicklas, James M. D. Day, Zoltán Váci, Minghua Ren, Kathryn G. Gardner-Vandy, Kimberly T. Tait Geochimica et Cosmochimica ActaAvailable online 1 May 2023 LINK “Metal-silicate segregation is one of the most fundamental mechanisms…
Melt migration in rubble-pile planetesimals: Implications for the formation of primitive achondrites
Zhongtian Zhang, David Bercovici, Linda T. Elkins-Tanton Earth and Planetary Science LettersAvailable online 31 January 2023, 118019 LINK “Primitive achondrites represent residual mantle material of planetesimals from which up to 20% partial melts were extracted….
Tracking and dating incipient melting of a new grouplet of primitive achondrites
Yun Jiang, Ye Li, Jia Liu, Qing Wang, Li-Ping Qin, Ke Zhu, Shiyong Liao, Zongjun Yin, Yongbo Peng, Piers Koefoed, Weibiao Hsu Geochimica et Cosmochimica ActaAvailable online 26 January 2023 LINK (OPEN ACCESS) “Primitive achondrites,…
Tissemouminites: A new group of primitive achondrites spanning the transition between acapulcoites and winonaitesOPEN ACCESS
A. Stephant, C. Carli, M. Anand, A. Néri, J. Davidson, G. Pratesi, T. Cuppone, R. C. Greenwood, I. A. Franchi MAPSVersion of Record online:28 December 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The Northwest Africa (NWA) 090 meteorite, initially classified as an acapulcoite, presents…
On the cooling rate evolution of asteroid fragments
Jialong Ren, Marc A. Hesse, Michael P. Lucas, Nicholas Dygert IcarusIn Press, Journal Pre-proof, Available online 24 February 2022 LINK “Highlights • Conductive cooling rate at constant temperature declines as 1/time.• High-temperature cooling rate data…
Thermal History and Structure of the Tafassite Parent Body
Neumann W. *, Ma N., Neri A., Schwarz W. H., Ludwig T., Trieloff M., Klahr H., Bouvier A. 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6153) PDF We identified a first group…
Ruthenium isotopic fractionation in primitive achondrites: Clues to the early stages of planetesimal meltingOPEN ACCESS
Timo Hopp, Thorsten Kleine Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 23 March 2021 LINK (OPEN ACCESS) “Primitive achondrites derive from the residual mantle of incompletely differentiated planetesimals, from which partial silicate and…
A review of the chondrite–achondrite transition, and a metamorphic facies series for equilibrated primitive stony meteorites
Andrew G. Tomkins, Tim E. Johnson, Jennifer T. Mitchell Meteoritics & Planetary ScienceFirst Published: 13 April 2020 LINK “Here, the petrological features of numerous primitive achondrites and highly equilibrated chondrites are evaluated to review and…
Formation of primitive achondrites by partial melting of alkali-undepleted planetesimals in the inner solar system
Max Collinet, Timothy L. Grove Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 12 March 2020 LINK “Acapulcoites-lodranites, ureilites, brachinites, brachinite-like achondrites and winonaites are the main groups of primitive achondrites. They are…
Northwest Africa 12869: Primitive Achondrite from the CR2 Parent Body or Member of a New Meteorite Group?
C. B. Agee, H. Aikin, K. Ziegler 51st Lunar and Planetary Science Conference (2020), Abstract #2292 PDF (OPEN ACCESS) “We report here the classification of a new primitive achondrite, Northwest Africa (NWA) 12869, which is…
Petrogenesis of ungrouped enstatite meteorite Zakłodzie: Fabric, texture, and nanostructure analysis for identification of mechanisms responsible for chondrite–achondrite transition
Agata M. Krzesińska, Richard Wirth, Monika A. Kusiak Meteoritics & Planetary Science First Published: 29 April 2019 LINK “Zakłodzie is an enstatite meteorite of unknown petrogenesis. Chemically, it resembles enstatite chondrites, but displays an achondrite‐like…
The layered structure model for winonaite parent asteroid implicated by textural and mineralogical diversityOPEN ACCESS
Xiaojia Zeng, Yingli Shang, Shijie LiEmail author, Xiongyao Li, Shijie Wang and Yang Li Earth, Planets and Space 2019 71:38, Published: 2 April 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The winonaites are primitive achondrites that are…
Siderophile element characteristics of acapulcoite–lodranites and winonaites: Implications for the early differentiation processes of their parent bodies
Yoshihiro Hidaka Naoki Shirai, Akira Yamaguchi, Mitsuru Ebihara Meteoritics & Planetary Science First Published: 7 March 2019 LINK “We have studied magnetic fractions of five acapulcoites, three lodranites, and two winonaites to investigate chemical compositions…
Spectral properties and mineral compositions of acapulcoite–lodranite clan meteorites: Establishing S‐type asteroid–meteorite connections
Michael P. Lucas, Joshua P. Emery, Takahiro Hiroi, Harry Y. McSween Meteorit Planet Sci. . doi:10.1111/maps.13203 First published: 03 October 2018 LINK “Except for asteroid sample return missions, measurements of the spectral properties of both…
Modeling the evolution of the parent body of acapulcoites and lodranites: A case study for partially differentiated asteroids
Wladimir Neumann, Stephan Henke, Doris Breuer, Hans-Peter Gail, Winfried H. Schwarz, Mario Trieloff, Jens Hopp, Tilman Spohn Icarus Available online 30 March 2018 LINK Highlights • We model the thermo-chemical evolution of the acapulcoite-lodranite parent…
Primitive Achondrite Northwest Africa 11042: Melting of the L Chondrite Parent Body
Vaci Z. * Agee C. B. Ziegler K. Polyak V. J. Humayun M. 80th Annual Meeting of the Meteoritical Society 2017 [#6161] abstract (PDF) “NWA 11042 is an igneous primitive achondrite whose oxygen isotopes plot…
A geochemical study of the winonaites: Evidence for limited partial melting and constraints on the precursor composition
Alison C. Hunt, Gretchen K. Benedix, Samantha J. Hammond, Philip A. Bland, Mark Rehkämper, Katharina Kreissig, Stanislav Strekopytov Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 November 2016 LINK “The winonaites are…
Spectral Properties of Primitive Achondrite Meteorites: Establishing S-Type Asteroid-Meteorite Connections
M. P. Lucas, J. P. Emery, T. Hiroi, R. E. Milliken 47th Lunar and Planetary Science Conference (2016), Abstract #3003 PDF
Tafassasset has been reclassified as “primitive achondrite”
Writeup from MB 105: Meteoritical Bulletin Database / Writeup from MB 105 “Tafassasset, reclassification Agadez, Niger Find: 2000 Classification: Primitive achondrite History: A comparison of the overall petrography, modal mineralogy, mineral compositions, oxidation state, and…
A mineralogical and chemical study of primitive achondrite NWA 6704 and its potential use for calibration of extinct radionuclide chronometers
Yuki Hibiya (The University of Tokyo) , Tsuyoshi Iizuka (The University of Tokyo) , Akira Yamaguchi (NIPR) PDF LINK
Mineralogical and chemical study of Divnoe ungrouped primitive achondrite
Hikari Hasegawa (Univ. Tokyo), Takashi Mikouchi (Univ. Tokyo), Akira Yamaguchi (NIPR), Naoki Shirai (Tokyo Metropolitan University), Mitsuru Ebihara (Tokyo Metropolitan University) PDF LINK