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 (2024) 109 (9): 1513–15221 September 2024 LINK + PDF (OPEN ACCESS) “The first widespread occurrence of…
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…
Magnetism of the Acapulco Primitive Achondrite and Implications for the Evolution of Partially Differentiated BodiesOPEN ACCESS
Elias N. Mansbach, Benjamin P. Weiss, Neesha R. Schnepf, Eduardo A. Lima, Cauê S. Borlina, Nilanjan Chatterjee, Jérôme Gattacceca, Minoru Uehara, Huapei Wang JGR PlanetsFirst published: 14 December 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Primitive…
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…
Meteoritic Molybdenum and Ruthenium Isotopic Abundances Document Nucleosynthetic p-process ComponentsOPEN ACCESS
Kurt Marti, Mario Fischer-Gödde, and Carina Proksche The Astrophysical Journal, Volume 956, Number 1 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Anomalies in isotopic abundances of Mo and Ru in solar system matter were found to document…
Hydrogen in acapulcoites and lodranites: A unique source of water for planetesimals in the inner Solar SystemOPEN ACCESS
A. Stephant, X. Zhao, M. Anand, J. Davidson, C. Carli, T. Cuppone, G. Pratesi, I.A. Franchi Earth and Planetary Science LettersVolume 615, 1 August 2023, 118202 LINK (OPEN ACCESS) “Highlights Partial melting up to 20%…
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…
Mass-dependent nickel isotopic variations in achondrites and lunar rocks
Shui-Jiong Wang, Shi-Jie Li, Yangting Lin, Si-Zhang Sheng Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 11 April 2023 LINK “We present high-precision mass-dependent nickel isotopic data for a comprehensive suite of achondrites and…
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…
Thermochemical evolution of the acapulcoite–lodranite parent body: Evidence for fragmentation-disrupted partial differentiation
Michael P. Lucas, Nicholas Dygert, Jialong Ren, Marc A. Hesse, Nathaniel R. Miller, Harry Y. McSween MAPSVersion of Record online: 21 November 2022 LINK “Primitive achondrites of the acapulcoite–lodranite clan (ALC) are residues of partial…
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…
Dynamic Evolution of the Solar System Inferred from Ti, Cr, and Mo Isotope Anomalies in Meteorites
Wölfer E. * Burkhardt C. Schneider J. M. Budde G. Kleine T. PDF LPSC 2022 abstract [#2468] “We report new Ti and Cr isotopic data to constrain the efficiency of the NC-CC separation and its…
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…
Titanium isotope fractionation in solar system materials
Niel H. Williams, Manuela A. Fehr, Ian J. Parkinson, Maximilian B. Mandl, Maria Schönbächler Chemical GeologyIn Press, Journal Pre-proof, Available online 1 December 2020, 120009 LINK “Highlights • Nebular processes produce limited Ti isotope fractionation…
Advances in Cosmochemistry Enabled by Antarctic MeteoritesOPEN ACCESS
Meenakshi Wadhwa, Timothy J. McCoy, and Devin L. Schrader Annual Review of Earth and Planetary Sciences Vol. 48:233-258 (Volume publication date May 2020)First published as a Review in Advance on January 8, 2020 LINK (OPEN…
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…
Heterogeneous accretion of Earth inferred from Mo-Ru isotope systematicsOPEN ACCESS
Timo Hopp, Gerrit Budde, Thorsten Kleine Earth and Planetary Science Letters (17 January 2020) PDF (OPEN ACCESS) LINK (OPEN ACCESS) “The Mo and Ru isotopic compositions of meteorites and the bulk silicate Earth (BSE) hold…
Significance of High Field Strength and Rare Earth Element Distributions in Deciphering the Evolution of the Inner Solar System
Kent C. Condie, Charles K. Shearer Geochimica et Cosmochimica Acta Available online 28 May 2019 LINK “Major processes affecting high field strength (HFSE) and rare earth (REE) element ratios in planetary basalts are degree of…
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…
Evidence for a Multilayered Internal Structure of the Chondritic Acapulcoite-Lodranite Parent Asteroid
Shijie Li, Qing-Zhu Yin, Huiming Bao, Matthew E. Sanborn, Anthony Irving, Karen Ziegler, Carl Agee, Kurt Marti, Bingkui Miao, Xiongyao Li, Yang Li, Shijie Wang Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online…
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…
Early Solar System Dynamics Inferred from Molybdenum Isotope Anomalies in Meteorites
G. Budde, C. Burkhardt, T. Kleine 49th Lunar and Planetary Science Conference (2018), Abstract #2353 PDF
Percolative core formation in planetesimals enabled by hysteresis in metal connectivity
Soheil Ghanbarzadeh, Marc A. Hesse, and Maša Prodanović PNAS 2017 ; published ahead of print December 4, 2017 doi: 10.1073/pnas.1707580114 LINK “Significance It has long been thought that percolative core formation is prevented by high…
Multistage formation processes in the acapulcoite-lodranite parent body: Mineralogical study of anomalous lodranite, Yamato 983119
Masahiro Yasutake, Akira Yamaguchi Polar Science Available online 23 September 2017 In Press, Accepted Manuscript LINK “Y 983119 is a coarse-grained rock consisting mainly of orthopyroxene (44–71 vol%, Wo3En94Fs4), olivine (4–30 vol%, Fo97), Fe, Ni…
Trace element inventory of meteoritic Ca-phosphates
Dustin Ward, Addi Bischoff, Julia Roszjar, Jasper Berndt, Martin J. Whitehouse American Mineralogist 10.2138/am-2017-6056 First Published on September 05, 2017 LINK “Most extraterrestrial samples feature the two accessory Ca-phosphates (apatite-group minerals and merrillite), which are…
Acapulcoite-lodranite meteorites: Ultramafic asteroidal partial melt residues
Klaus Keil, Timothy J. McCoy Chemie der Erde – Geochemistry Review article Available online 14 July 2017 LINK “Acapulcoites (most ancient Hf-W ages are 4,563.1 ± 0.8 Ma), lodranites (most ancient Hf-W ages are 4,562.6…
Petrology, Mineralogy and In Situ U-Pb Dating of Northwest Africa 11042
Wu Y. * Hsu W. 80th Annual Meeting of the Meteoritical Society 2017 [#6190] abstract (PDF) “NWA 11042 was classified as a unique achondrite. Its mineralogy and petrology resemble those of martian meteorites, but the…
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…
The Distinct Genetics of Carbonaceous and Non-Carbonaceous Meteorites Inferred from Molybdenum Isotopes
Budde G. * Burkhardt C. Kleine T. 80th Annual Meeting of the Meteoritical Society 2017 [#6271] abstract (PDF) “Mo isotope systematics manifest a fundamental dichotomy in the genetic heritage of carbonaceous and non-carbonaceous meteorites. We…
Benchmarking the Pb-Pb Age of Ungrouped Achondrite NWA 6704 for Project Milestones
M. H. Huyskens, Q.-Z. Yin, Y. Amelin 48th Lunar and Planetary Science Conference (2017), Abstract #2260 PDF
The Origin and Chemical Evolution of the Parent Body to Northwest Africa 6704 Primitive Achondrite
Y. Hibiya, G. J. Archer, R. Tanaka, T. Iizuka, K. Ozawa, R. J. Walker, A. Yamaguchi, A. J. Irving 48th Lunar and Planetary Science Conference (2017), Abstract #1317 PDF
Origin of mass-independent oxygen isotope variation among ureilites: Clues from chondrites and primitive achondrites
I. S. Sanders, E. R. D. Scott and J. S. Delaney Meteoritics & Planetary Science 27 JAN 2017 | DOI: 10.1111/maps.12820 LINK “Ureilite meteorites are abundant, carbon-rich, primitive achondrites made of coarse-grained, equilibrated olivine and…
Brachinite-Like Clast in the Kaidun Meteorite: First Report of Primitive Achondrite Material
Higashi, K.; Hasegawa, H.; Mikouchi, T.; Zolensky, M. E. Conference Paper Lunar and Planetary Science Conference ; 48th; 20-24 Mar. 2017; The Woodlands, TX; United States JSC-CN-38570 Date Acquired: Jan 26, 2017 PDF 48th Lunar…
Rare meteorites common in the Ordovician periodOPEN ACCESS
Philipp R. Heck, Birger Schmitz, William F. Bottke, Surya S. Rout, Noriko T. Kita, Anders Cronholm, Céline Defouilloy, Andrei Dronov & Fredrik Terfelt Nature Astronomy 1 Article number: 0035 (2017) doi:10.1038/s41550-016-0035 Published online: 23 January…
Hungaria Asteroid Region Telescopic Spectral Survey (HARTSS) I: Stony Asteroids Abundant in the Hungaria Background Population
Michael P. Lucas, Joshua P. Emery, Noemi Pinilla-Alonso, Sean S. Lindsay, Vania Lorenzi Icarus In Press, Accepted Manuscript, Available online 5 November 2016 LINK “Highlights • HARTSS describes taxonomy, mineralogy, and meteorite analogs of Hungaria…
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…
Magnesium isotopic composition of achondrites
Fatemeh Sedaghatpour, Fang-Zhen Teng Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 December 2015 doi:10.1016/j.gca.2015.11.016 LINK “Magnesium isotopic compositions of 22 well-characterized differentiated meteorites including 7 types of achondrites and pallasite meteorites…
Planetesimal differentiation revealed by the Hf–W systematics of ureilites
Gerrit Budde, Thomas S. Kruijer, Mario Fischer-Gödde, Anthony J. Irving, Thorsten Kleine Earth and Planetary Science Letters Volume 430, 15 November 2015, Pages 316–325 LINK
Petrologic and Minerochemical Trends of Acapulcoites, Winonaites and Lodranites: New Evidence from Image Analysis and EMPA Investigations
Vanni Moggi Cecchi and Stefano Caporali Geosciences 2015, 5(3), 222-242; doi:10.3390/geosciences5030222 Published: 2 July 2015 PDF (open access) abstract “A comprehensive classification of primitive achondrites is difficult due to the high compositional and textural variability…
Evidence for Late-Stage Magmatic or Subsolidus Reduction in Paired Anomalous Lodranites Northwest Africa 8410 and 8422
S. M. Kuehner, A. J. Irving, K. Ziegler, M. Jost, A. Aaronson 46th Lunar and Planetary Science Conference (2015), Abstract #2411 PDF LINK
NWA 5363/NWA 5400 and the Earth: Isotopic Twins or Just Distant Cousins?
C. Burkhardt, N. Dauphas, H. Tang, M. Fischer-Gödde, L. Qin, J. H. Chen, A. Pack, S. S. Rout, P. R. Heck, D. A. Papanastassiou 46th Lunar and Planetary Science Conference (2015), Abstract #2732 PDF LINK
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
Si-bearing metal and niningerite in Almahata Sitta fine-grained ureilites and insights into the diversity of metal on the ureilite parent body
Si-bearing metal and niningerite in Almahata Sitta fine-grained ureilites and insights into the diversity of metal on the ureilite parent body Marian Horstmann, Munir Humayun, Mario Fischer-Gödde, Addi Bischoff and Mona Weyrauch Meteoritics & Planetary…
A fossil winonaite-like meteorite in Ordovician limestone: A piece of the impactor that broke up the L-chondrite parent body?
Birger Schmitz, Gary R. Huss, Matthias M.M. Meier, Bernhard Peucker-Ehrenbrink, Ross P. Church, Anders Cronholm, Melvyn B. Davies, Philipp R. Heck, Anders Johansen, Klaus Keil, Per Kristiansson, Greg Ravizza, Mario Tassinari, Fredrik Terfelt Earth and…
Petrogenesis of anomalous Queen Alexandra Range enstatite meteorites and their relation to enstatite chondrites, primitive enstatite achondrites, and aubrites
van Niekerk D, Keil K and Humayun M Meteoritics & Planetary Science, 49: 295–312. doi: 10.1111/maps.12248