U-Pb, Rb-Sr and Ar-Ar systematics of the ungrouped achondrites Northwest Africa 6704 and Northwest Africa 6693
Yuri Amelin, Piers Koefoed, Tsuyoshi Iizuka, Vera Assis Fernandes, Magdalena H.Huyskens, Qing-Zhu Yin, Anthony J. Irving Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 27 September 2018 LINK “We report U-Pb, 87Rb-87Sr, 40Ar-39Ar…
Ancient volcanism on the Moon: Insights from Pb isotopes in the MIL 13317 and Kalahari 009 lunar meteorites
Joshua F. Snape, Natalie M. Curran, Martin J. Whitehouse, Alexander A. Nemchin, Katherine H. Joy, Tom Hopkinson, Mahesh Anand, Jeremy J. Bellucci, Gavin G. Kenny Earth and Planetary Science Letters Volume 502, 15 November 2018,…
Noble gases in micrometeorites from the Transantarctic Mountains
Bastian Baecker, Ulrich Ott, Carole Cordier, Luigi Folco, Mario Trieloff, Matthias van Ginneken, Pierre Rochette Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 25 August 2018 LINK “The bulk of extraterrestrial matter currently…
No cosmic‐ray precompaction exposure of chondrules in CR2.7 MIL 090657
Antoine S. G. Roth, Ingo Leya Meteoritics & Planetary Science First published: 16 August 2018 LINK Cosmogenic nuclides are useful for reconstructing the cosmic‐ray precompaction exposure history of the chondritic components in the early solar…
Radioactive nuclei from cosmochronology to habitabilityOPEN ACCESS
M. Lugaro, U. Ott, Á. Kereszturi Review published in Progress in Particle and Nuclear Physics Volume 102, September 2018, Pages 1-47 1 August 2018 PDF (OPEN ACCESS) “In addition to long-lived radioactive nuclei like U…
Meteorite reconnaissance in Saudi Arabia
Beda A. Hofmann, Edwin Gnos, A. J. Timothy Jull, Sönke Szidat, Ayman Majoub, Khalid Al Wagdani, Siddiq N. Habibullah, Mohammed Halawani, Mohammed Hakeem, Mahmoud Al Shanti, Abdulaziz Al Solami Meteoritics & Planetary Science First published:…
Terrestrial Ages of Meteorites Using in situ C-14 and Be-10 Measurements
Sliz M. U., Braucher R., Gattacceca J., Hofmann B. A., Jull A. J. T., Leya I., Szidat S., ASTER Team 81st Annual Meeting of The Meteoritical Society 2018 [#6297] abstract “We present the preliminary 14C/10Be…
High-precision Al–Mg isotopic systematics in USNM 3898 – The benchmark “ALL” for initial 87Sr/86Sr in the earliest Solar System
G.J. MacPherson, C. Defouilloy, N.T. Kita Earth and Planetary Science Letters Volume 491, 1 June 2018, Pages 238–243 Available online 6 April 2018 LINK “Highlights • The CAI USNM 3898 ≡ ALL, the lowest measured…
The Kumtag 016 L5 strewn field, Xinjiang Province, China
Xiaojia Zeng, Shijie Li, Ingo Leya, Shijie Wang, Thomas Smith, Yang Li, Peng Wang Meteoritics & Planetary Science First published: 26 March 2018 https://doi.org/10.1111/maps.13073 LINK “The Kumtag 016 strewn field was found in the eastern…
Noble gas composition, cosmic-ray exposure age, 39Ar-40Ar, and I-Xe analyses of ungrouped achondrite NWA 7325
Hopp, J., Schröter, N., Pravdivtseva, O., Meyer, H.-P., Trieloff, M. and Ott, U. Meteorit Planet Sci. doi:10.1111/maps.13062 LINK “Northwest Africa (NWA) 7325 is an anomalous achondrite that experienced episodes of large-degree melt extraction and interaction…
Cosmic History and a Candidate Parent Asteroid for the Quasicrystal-bearing Meteorite KhatyrkaOPEN ACCESS
Matthias M.M. Meier, Luca Bindi, Philipp R. Heck, April I. Neander, Nicole H. Spring, My E. I. Riebe, Colin Maden, Heinrich Baur, Paul J. Steinhardt, Rainer Wieler, Henner Busemann Submitted to Earth and Planetary Science…
U-Pb and Pb-Pb apatite ages for Antarctic achondrite Graves Nunataks 06129
Zhou, Q., Yin, Q.-Z., Shearer, C. K., Li, X.-H., Li, Q.-L., Liu, Y., Tang, G.-Q. and Li, C.-L. Meteoritics & Planetary Science. doi: 10.1111/maps.13026 LINK “The Antarctic achondrite Graves Nunataks 06128 (GRA 06128) and Graves…
Noble gases, nitrogen, cosmic ray exposure history and mineralogy of Beni M’hira (L6) chondrite
Ramakant R. Mahajan, Laridhi Ouazaa Nejia, Dwijesh Ray, Sekhar Naik Planetary and Space Science In Press, Accepted Manuscript, Available online 3 January 2018 LINK “Highlights • Beni M’hira belongs to Ordovician impact event, 4He gas…
The origin of alteration “orangettes” in Dhofar 019: Implications for the age and aqueous history of the shergottites.OPEN ACCESS
Hallis, L. J., Kemppinen, L., Lee, M. R. and Taylor, L. A. Meteorit Planet Sci. doi:10.1111/maps.12987 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The shergottites are the largest group of Martian meteorites, and the only group…
A high-precision 40Ar/39Ar age for the Nördlinger Ries impact crater, Germany, and implications for the accurate dating of terrestrial impact events
Martin Schmieder, Trudi Kennedy, Fred Jourdan, Elmar Buchner, Wolf Uwe Reimold Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 September 2017 LINK “40Ar/39Ar dating of specimens of moldavite, the formation of which…
Differentiation and magmatic activity in Vesta evidenced by 26Al-26Mg dating in eucrites and diogenitesOPEN ACCESS
G. Hublet, V. Debaille, J. Wimpenny, Q-Z. Yin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 September 2017 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The 26Al-26Mg short-lived chronometer has been widely used…
Pd-Ag chronometry of IVA iron meteorites and the crystallization and cooling of a protoplanetary core
M. Matthes, M. Fischer-Gödde, T.S. Kruijer, T. Kleine Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 7 September 2017 LINK “To constrain the timescales and processes involved in the crystallization and cooling of…
Cosmic-ray exposure ages of six chondritic Almahata Sitta fragments
Riebe, M. E. I., Welten, K. C., Meier, M. M. M., Wieler, R., Barth, M. I. F., Ward, D., Laubenstein, M., Bischoff, A., Caffee, M. W., Nishiizumi, K. and Busemann, H. Meteoritics & Planetary Science….
The noble gas concentrations of the Martian meteorites GRV 99027 and paired NWA 7906/NWA 7907.
Stephenson, P. C., Lin, Y. and Leya, I. Meteoritics & Planetary Science. doi: 10.1111/maps.12950 LINK “Here we present the isotopic concentrations of He, Ne, Ar, Kr, and Xe for the three Martian meteorites, namely Grove…
Search for evidence of source event grouping among ureilites.
Beard, S. P. and Swindle, T. D. Meteoritics & Planetary Science. doi: 10.1111/maps.12939 LINK “We use cosmic-ray exposure (CRE) ages of ureilites, combined with magnesium numbers of olivine, and oxygen isotopes, to search for evidence…
A low-background image-coincidence spectrometer for radioisotope studies
Andrew Tillett, John Dermigny, Mark Emamian, Yuri Tonin, Igal Bucay, Rachel L. Smith, Michael Darken, Corey Dearing, Mikaela Orbon, Christian Iliadis Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated…
Pb-Pb ages of feldspathic clasts in two Apollo 14 breccia samples
A.A. Nemchin, H. Jeon, J.J. Bellucci, N.E. Timms, J.F. Snape, M.R. Kilburn, M.J. Whitehouse Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 19 August 2017 LINK “Pb-Pb isochron ages of ca. 3.92 Ga…
Protracted storage of CR chondrules in a region of the disk transparent to galactic cosmic rays.
Roth, A. S. G., Metzler, K., Baumgartner, L. P., Hofmann, B. A. and Leya, I. Meteoritics & Planetary Science. doi: 10.1111/maps.12923 First published: 11 August 2017 LINK “Renazzo-type carbonaceous (CR) chondrites are accretionary breccias that…
The cosmic-ray exposure history of the Twannberg iron meteorite (IIG)
Smith, T., Hofmann, B. A., Leya, I., Merchel, S., Pavetich, S., Rugel, G. and Scharf, A. Meteoritics & Planetary Science. doi: 10.1111/maps.12928 LINK “The Twannberg iron meteorite is one out of only six members of…
Petrography, classification, oxygen isotopes, noble gases, and cosmogenic records of Kamargaon (L6) meteorite: The latest fall in India.OPEN ACCESS
Ray, D., Mahajan, R. R., Shukla, A. D., Goswami, T. K. and Chakraborty, S. Meteorit Planet Sci. doi:10.1111/maps.12875 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “A single piece of meteorite fell on Kamargaon village in the…
Distinct 238U/235U ratios and REE patterns in plutonic and volcanic angrites: Geochronologic implications and evidence for U isotope fractionation during magmatic processes
François L.H. Tissot, Nicolas Dauphas, Timothy L. Grove Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 July 2017 LINK “Angrites are differentiated meteorites that formed between 4 and 11 Myr after Solar…
Cosmogenic He and Ne in chondrules from clastic matrix and a lithic clast of Murchison: No pre-irradiation by the early sun
My E.I. Riebe, Liliane Huber, Knut Metzler, Henner Busemann, Stefanie M. Luginbuehl, Matthias M.M. Meier, Colin Maden, Rainer Wieler Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 29 June 2017 LINK “Whether or…
The role of phosphates for the Lu–Hf chronology of meteoritesOPEN ACCESS
Vinciane Debaille, James Van Orman, Qing-Zhu Yin, Yuri Amelin Earth and Planetary Science Letters, Volume 473, 1 September 2017, Pages 52-61 LINK “Highlights: • Preferential diffusion of Lu over Hf from phosphate can disturb Lu–Hf…
Cosmogenic Nuclides in Antarctic Meteorites: Opportunities and Directions
Caffee M. W. * Herzog G. F. Jull A. J. T. Nishiizumi K. Welten K. C. 80th Annual Meeting of the Meteoritical Society 2017 [#6150] abstract (PDF) “Cosmogenic nuclide studies of Antarctic meteorites have allowed…
Cosmic-Ray Exposure Ages of Brachinites
Beard S. P. Swindle T. D. 80th Annual Meeting of the Meteoritical Society 2017 [#6388] abstract “Argon exposure ages have been measured for NWA 6077, NWA 595, NWA 7297, NWA 1500, NWA 4518, and RaS…
The Effect of Aqueous Alteration on Primordial Noble Gases in CM Chondrites
Weimer D. * Busemann H. Alexander C. M. O’D. Maden C. abstract (PDF) 80th Annual Meeting of the Meteoritical Society 2017 [#6300] “We have analyzed 32 CM chondrites for their noble gas contents and isotopic…
Reconciliation of the excess 176Hf conundrum in meteorites: Recent disturbances of the Lu-Hf and Sm-Nd isotope systematics
Rebecca Bast, Erik E. Scherer, Peter Sprung, Klaus Mezger, Mario Fischer-Gödde, Stephan Taetz, Mischa Böhnke, Hinrich Schmid-Beurmann, Carsten Münker, Thorsten Kleine, Gopalan Srinivasan Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 8 June…
The Stubenberg meteorite—An LL6 chondrite fragmental breccia recovered soon after precise prediction of the strewn field.
Bischoff, A., Barrat, J.-A., Bauer, K., Burkhardt, C., Busemann, H., Ebert, S., Gonsior, M., Hakenmüller, J., Haloda, J., Harries, D., Heinlein, D., Hiesinger, H., Hochleitner, R., Hoffmann, V., Kaliwoda, M., Laubenstein, M., Maden, C., Meier,…
Atomic-scale age resolution of planetary eventsOPEN ACCESS
L. F. White, J. R. Darling, D. E. Moser, D. A. Reinhard, T. J. Prosa, D. Bullen, D. Olson, D. J. Larson, D. Lawrence & I. Martin Nature Communications 8, Article number: 15597 (2017) doi:10.1038/ncomms15597…
Park Forest (L5) and the asteroidal source of shocked L chondrites.
Meier, M. M. M., Welten, K. C., Riebe, M. E. I., Caffee, M. W., Gritsevich, M., Maden, C. and Busemann, H. Meteoritics & Planetary Science. doi: 10.1111/maps.12874 LINK “The Park Forest (L5) meteorite fell in…
Primordial and cosmogenic noble gases in the Sutter’s Mill CM chondrite.
Okazaki, R. and Nagao, K. Meteoritics & Planetary Science. doi: 10.1111/maps.12819 LINK “The Sutter’s Mill (SM) CM chondrite fell in California in 2012. The CM chondrite group is one of the most primitive, consisting of…
Annama H chondrite—Mineralogy, physical properties, cosmic ray exposure, and parent body history.OPEN ACCESS
Kohout, T., Haloda, J., Halodová, P., Meier, M. M. M., Maden, C., Busemann, H., Laubenstein, M., Caffee, Marc. W., Welten, K. C., Hopp, J., Trieloff, M., Mahajan, R. R., Naik, S., Trigo-Rodriguez, J. M., Moyano-Cambero,…
A gamma-ray spectroscopy survey of Omani meteorites.OPEN ACCESS
Weber, P., Hofmann, B. A., Tolba, T. and Vuilleumier, J.-L. Meteoritics & Planetary Science. doi: 10.1111/maps.12847 LINK Update (31 May 2017): PDF (OPEN ACCESS) “The gamma-ray activities of 33 meteorite samples (30 ordinary chondrites, 1…
Petrology, mineralogy, porosity, and cosmic-ray exposure history of Huaxi ordinary chondrite
Li, S., Wang, S., Leya, I., Li, Y., Li, X. and Smith, T. Meteoritics & Planetary Science doi: 10.1111/maps.12842 Version of Record online: 28 FEB 2017 LINK “A meteorite fall was heard and collected on…
40Ar/39Ar and (U-Th)/He model age signatures of elusive Mercurian and Venusian meteorites.
Jourdan, F. and Eroglu, E. Meteoritics & Planetary Science. doi: 10.1111/maps.12838 LINK “No meteorites from Mercury and Venus have been conclusively identified so far. In this study, we develop an original approach based on extensive…
Dating the Formation of Jupiter through W and Mo Isotope Analyses of Meteorites
T. S. Kruijer, T. Kleine, C. Burkhardt, G. Budde 48th Lunar and Planetary Science Conference (2017), Abstract #1386 LINK
Hafnium-Tungsten Chronology of CR Chondrites
G. Budde, T. S. Kruijer, T. Kleine 48th Lunar and Planetary Science Conference (2017), Abstract #1886 LINK
Noble Gas Compositions of Seven CV, CO, and CK Chondrites from Deserts
J. Choi, K. Nagao, J. M. Baek, R. Bartoschewitz, C. Park, J. I. Lee, M. J. Lee 48th Lunar and Planetary Science Conference (2017), Abstract #1852 LINK
The Relationship Between Cosmic-Ray Exposure Ages and Mixing of CM Chondrite Lithologies
M. E. Zolensky, A. Takenouchi, T. Gregory, K. Nishiizumi, M. Caffee, M. A. Velbel, K. Ross, A. Zolensky, L. Le, N. Imae, A. Yamaguchi, T. Mikouchi 48th Lunar and Planetary Science Conference (2017), Abstract #2094…
Two billion years of magmatism recorded from a single Mars meteorite ejection siteOPEN ACCESS
Thomas J. Lapen, Minako Righter, Rasmus Andreasen, Anthony J. Irving, Aaron M. Satkoski, Brian L. Beard, Kunihiko Nishiizumi, A. J. Timothy Jull, Marc W. Caffee Science Advances 01 Feb 2017: Vol. 3, no. 2, e1600922…
An 57Fe Mössbauer study of the ordinary chondrite meteorite Lynch 001
Nancy N. Elewa, J. M. Cadogan Hyperfine Interactions (2016) First Online: 12 December 2016 DOI: 10.1007/s10751-016-1350-1 This article is part of the Topical Collection on Proceedings of the International Conference on Hyperfine Interactions and their…
Chronologic Implications for Slow Cooling of Troctolite 76535 and Temporal Relationships between the Mg-suite and the Ferroan Anorthosite Suite
Lars E. Borg, James N. Connelly, William Cassata, Amy M. Gaffney, Martin Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 18 November 2016 LINK “Ages have been obtained using the 87Rb-87Sr, 147Sm-143Nd,…
Matrix effects on the relative sensitivity factors for manganese and chromium during ion microprobe analysis of carbonate: implications for early Solar System chronology
Robert C.J. Steele, Veronika S. Heber, Kevin D. McKeegan Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 5 November 2016 LINK “The short-lived radionuclide 53Mn decays to 53Cr providing a relative chronometer for…
Pb-Pb Chronometry and the Early Solar SystemOPEN ACCESS
J.N. Connelly, J. Bollard, M. Bizzarro Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 November 2016 LINK (OPEN ACCESS) “Of the long-lived chronometric systems, only the dual decay of 238U and 235U…
26Al-26Mg systematics in chondrules from Kaba and Yamato 980145 CV3 carbonaceous chondrites
Kazuhide Nagashima, Alexander N. Krot, Mutsumi Komatsu Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 November 2016 LINK “We report the mineralogy, petrography, and in situ measured 26Al-26Mg systematics in chondrules from…
The petrology, geochemistry, and age of lunar regolith breccias Miller Range 090036 and 090070: Insights into the crustal history of the Moon.
Calzada-Diaz, A., Joy, K. H., Crawford, I. A. and Strekopytov, S. Meteoritics & Planetary Science. doi: 10.1111/maps.12737 LINK “Meteorites ejected from the surface of the Moon as a result of impact events are an important…
A renewed search for short-lived 126Sn in the early Solar System: Hydride generation MC-ICPMS for high sensitivity Te isotopic analysis
Gregory A. Brennecka, Lars E. Borg, Stephen J. Romaniello, Amanda K. Souders, Quinn R. Shollenberger, Naomi E. Marks, Meenakshi Wadhwa Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 October 2016 LINK “Although…
53Mn-53Cr Chronology of Ca-Fe Silicates in CV3 Chondrites
Glenn J. MacPherson, Kazuhide Nagashima, Alexander N. Krot, Patricia M. Doyle, Marina A. Ivanova Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 October 2016 LINK This study is dedicated to our late…
53Mn-53Cr Radiometric Dating of Secondary Carbonates in CR Chondrites: Timescales for Parent Body Aqueous AlterationOPEN ACCESS
Christine E. Jilly-Rehak, Gary R. Huss, Kazuhide Nagashima Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 September 2016 LINK PDF (OPEN ACCESS) “We present 53Mn-53Cr ages of secondary carbonates in Renazzo-like (CR)…
Thermal and irradiation history of lunar meteorite Dhofar 280.
Korochantseva, E. V., Buikin, A. I., Hopp, J., Lorenz, C. A., Korochantsev, A. V., Ott, U. and Trieloff, M. Meteoritics & Planetary Science. doi: 10.1111/maps.12732 First published: 26 September 2016 LINK “Dhofar 280 recorded a…
Diachroneity of the Clearwater West and Clearwater East impact structures indicated by the (U–Th)/He dating method
M.B. Biren, M.C. van Soest, J.-A. Wartho, K.V. Hodges, J.G. Spray Earth and Planetary Science Letters Volume 453, 1 November 2016, Pages 56–66 LINK “Highlights • We dated the Clearwater Lake impact craters (Canada) via…
Major elements and noble gases of the Jinju (H5) meteorite, an observed fall on March 9, 2014, in South Korea
Keisuke Nagao, Makiko K. Haba, Jong Ik Lee, Taehoon Kim, Mi Jung Lee, Changkun Park, Yong Joo Jwa, Byeon-Gak Choi GEOCHEMICAL JOURNAL Vol. 50 (2016) No. 4 p. 315-325 Released on J-STAGE 20160731 abstract “The…
Lunar basalt chronology, mantle differentiation and implications for determining the age of the Moon
Earth and Planetary Science Letters, Volume 451 Joshua F. Snape, Alexander A. Nemchin, Jeremy J. Bellucci, Martin J. Whitehouse, Romain Tartèse, Jessica J. Barnes, Mahesh Anand, Ian A. Crawford, Katherine H. Joy LINK “Highlights •…
Weathering of ordinary chondrites from Oman: Correlation of weathering parameters with 14C terrestrial ages and a refined weathering scale.
Zurfluh, F. J., Hofmann, B. A., Gnos, E., Eggenberger, U. and Jull, A. J. T. Meteoritics & Planetary Science. doi: 10.1111/maps.12690 LINK “We have investigated 128 14C-dated ordinary chondrites from Oman for macroscopically visible weathering…
Ar-Ar Ages of Brachinite and Brachinite-Like Achondrites
Beard S. P. Swindle T. D. Isachsen C. 79th Annual Meeting of the Meteoritical Society (2016) #6411 LINK
Recent Terrestrial Disturbance of the 176Lu-176Hf Systematics in Meteorites
Bast R. * Scherer E. E. Sprung P. Mezger K. Bischoff A. 79th Annual Meeting of the Meteoritical Society (2016) #6164 LINK
Preatmospheric Size and Terrestrial Age of the Twannberg Meteorite (IIG)
Smith T. Leya I. Hofmann B. Merchel S. Rugel G. Pavetich S. Scharf A. 79th Annual Meeting of the Meteoritical Society (2016) #6187 LINK
Production and Recoil Loss of Cosmogenic Nuclides in Presolar Grains
Reto Trappitsch and Ingo Leya Published 2016 May 16 The Astrophysical Journal, Volume 823, Number 1 LINK “Presolar grains are small particles that condensed in the vicinity of dying stars. Some of these grains survived…
Cosmic-ray exposure ages of chondrules.
Roth, A. S. G., Metzler, K., Baumgartner, L. P. and Leya, I. Meteoritics & Planetary Science. doi: 10.1111/maps.12658 Article first published online: 9 MAY 2016 LINK “If chondrules were exposed to cosmic rays prior to…
A new approach to cosmogenic corrections in 40Ar/39Ar chronometry: Implications for the ages of Martian meteorites
W.S. Cassata, L.E. Borg Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 4 May 2016 LINK “Anomalously old 40Ar/39Ar ages are commonly obtained from Shergottites and are generally attributed to uncertainties regarding the…
U-Pb and Al-Mg systematics of the ungrouped achondrite Northwest Africa 7325
Piers Koefoed, Yuri Amelin, Qing-Zhu Yin, Josh Wimpenny, Matthew E. Sanborn, Tsuyoshi Iizuka, Anthony J. Irving Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 1 April 2016 LINK “Northwest Africa (NWA) 7325 is…
The two Suvasvesi impact structures, Finland: Argon isotopic evidence for a “false” impact crater doublet.
Schmieder, M., Schwarz, W. H., Trieloff, M., Buchner, E., Hopp, J., Tohver, E., Pesonen, L. J., Lehtinen, M., Moilanen, J., Werner, S. C. and Öhman, T. Meteoritics & Planetary Science. doi: 10.1111/maps.12636 LINK “The two…
Origin of uranium isotope variations in early solar nebula condensates
By François L. H. Tissot, Nicolas Dauphas, Lawrence Grossman Science Advances 04 Mar 2016: Vol. 2, no. 3, e1501400 DOI: 10.1126/sciadv.1501400 PDF (open access) abstract Supplementary Materials (PDF) “High-temperature condensates found in meteorites display uranium…
The initial abundance and distribution of 92Nb in the Solar System
Tsuyoshi Iizuka, Yi-Jen Lai, Waheed Akram, Yuri Amelin, Maria Schönbächler Earth and Planetary Science Letters Available online 11 February 2016 doi:10.1016/j.epsl.2016.02.005 Updated: February 11, 2016 PDF (open access) abstract “Niobium-92 is an extinct proton-rich nuclide,…
A gamma-ray spectroscopy survey of Omani meteorites
Patrick Weber, Beda A Hoffmann, Tamer Tolba, Jean-Luc Vuilleumier submitted to Meteoritics ans Planetary Science PDF (open access) abstract “The gamma-ray activities of 33 meteorite samples (30 ordinary chondrites, 1 Mars meteorite, 1 iron, 1…
I-Xe systematics of the impact plume produced chondrules from the CB carbonaceous chondrites: Implications for the half-life value of 129I and absolute age normalization of 129I-129Xe chronometer
O. Pravdivtseva, A. Meshik, C.M. Hohenberg, A.N. Krot Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 28 January 2016 doi:10.1016/j.gca.2016.01.012 LINK “It is inferred that magnesian non-porphyritic chondrules in the CB (Bencubbin-type) carbonaceous…
40 Ar/ 39 Ar and cosmic ray exposure ages of plagioclase-rich lithic fragments from Apollo 17 regolith, 78461
J. Das, S. Baldwin, J. Delano Earth, Planets and Space 2016, 68:11 (26 January 2016) PDF (open access) abstract “Argon isotopic data is used to assess the potential of low-mass samples collected by sample return…
Noble gases in 18 Martian meteorites and angrite Northwest Africa 7812—Exposure ages, trapped gases, and a re-evaluation of the evidence for solar cosmic ray-produced neon in shergottites and other achondrites
Wieler, R., Huber, L., Busemann, H., Seiler, S., Leya, I., Maden, C., Masarik, J., Meier, M. M. M., Nagao, K., Trappitsch, R. and Irving, A. J. Meteoritics & Planetary Science doi: 10.1111/maps.12600 Article first published…
On time variations of the intensity of galactic cosmic rays for the recent billion years from the data on exposure ages of iron meteorites
V. A. Alexeev Solar System Research January 2016, Volume 50, Issue 1, pp 24-32 First online: 22 January 2016 (Original Russian Text © V.A. Alexeev, 2016, published in Astronomicheskii Vestnik, 2016, Vol. 50, No. 1,…
A Pb isotopic resolution to the Martian meteorite age paradox
J.J. Bellucci, A.A. Nemchin, M.J. Whitehouse, J.F. Snape, R.B. Kielman, P.A. Bland, G.K. Benedix Earth and Planetary Science Letters In Press, Corrected Proof, Available online 1 December 2015 LINK “Determining the chronology and quantifying various…
I-Xe ages of enstatite chondrites
Jens Hopp, Mario Trieloff, Ulrich Ott Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 23 November 2015 doi:10.1016/j.gca.2015.11.014 LINK “In order to elucidate the early thermal history of enstatite chondrite parent bodies we…
Uranium isotopic composition and absolute ages of Allende chondrules
Brennecka, G. A., Budde, G. and Kleine, T. (2015), Meteoritics & Planetary Science. doi: 10.1111/maps.12567 LINK “A handful of events, such as the condensation of refractory inclusions and the formation of chondrules, represent important stages…
40Ar/39Ar age of material returned from asteroid 25143 Itokawa
Park, J., Turrin, B. D., Herzog, G. F., Lindsay, F. N., Delaney, J. S., Swisher, C. C., Uesugi, M., Karouji, Y., Yada, T., Abe, M., Okada, T. and Ishibashi, Y. Meteoritics & Planetary Science. doi:…
Mn-Cr relative sensitivity factor in ferromagnesian olivines defined for SIMS measurements with a Cameca ims-1280 ion microprobe: Implications for dating secondary fayalite
Patricia M. Doyle, Kaori Jogo, Kazuhide Nagashima, Gary R. Huss, Alexander N. Krot Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 21 October 2015 doi:10.1016/j.gca.2015.10.010 LINK “The short-lived radionuclide 53Mn, which decays to…
Formation timescales of CV chondrites from component specific Hf–W systematics
Maike Becker, Dominik C. Hezel, Toni Schulz, Bo-Magnus Elfers, Carsten Münker Earth and Planetary Science Letters In Press, Corrected Proof, Available online 19 October 2015 doi:10.1016/j.epsl.2015.09.049 LINK “Carbonaceous chondrites are an important meteorite group that…
Calibration of cosmogenic noble gas production based on 36Cl-36Ar ages. Part 2. The 81Kr-Kr dating technique.
Leya, I., Dalcher, N., Vogel, N., Wieler, R., Caffee, M. W., Welten, K. C. and Nishiizumi, K. Meteoritics & Planetary Science. doi: 10.1111/maps.12515 LINK “We calibrated the 81Kr-Kr dating system for ordinary chondrites of different…
The Lu Isotopic Composition of Achondrites: Closing the Case for Accelerated Decay of 176Lu
Josh Wimpenny et al. The Astrophysical Journal Letters 2015 ApJ812 L3 LINK “Studies of Lu–Hf isotope systematics in meteorites have produced apparent “ages” that are older than Pb–Pb ages and older than the estimated age…
Pd-Ag chronometry of iron meteorites: correction of neutron capture-effects and application to the cooling history of differentiated protoplanets
Maximilian Matthes, Mario Fischer-Gödde, Thomas S. Kruijer, Ingo Leya, Thorsten Kleine Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 26 July 2015 LINK
Intrinsic W nucleosynthetic isotope variations in carbonaceous chondrites: Implications for W nucleosynthesis and nebular vs. parent body processing of presolar materials
Christoph Burkhardt, Maria Schönbächler Icarus In Press, Accepted Manuscript, Available online 20 June 2015 LINK
Pb-Pb dating of individual chondrules from the CBa chondrite Gujba: Assessment of the impact plume formation model
Bollard, J., Connelly, J. N. and Bizzarro, M. Meteoritics & Planetary Science. doi: 10.1111/maps.12461 LINK
Shedding Light on the Origin of the Quasicrystal-Bearing Khatyrka Meteorite
Meier M. M. M. * Bindi L. Busemann H. Heck P. R. Isch Neander A. Maden C. Spring N. H. Steinhardt P. J. Wieler R. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5035…
Cosmic-Ray Exposure Ages of Chondrules
Roth A. S. G. * Metzler K. Hofmann B. Baumgartner L. P. Leya I. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5224 abstract (PDF)
I-Xe Systematics of Brachinite-Like Ultramafic Achondrite Northwest Africa 5400
Pravdivtseva O. * Meshik A. Hohenberg C. M. Irving A. J. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5387 abstract (PDF)
Why Do U-Pb Ages of Chondrules and CAIs Have More Spread than Their 26 Al Ages?
Kita N. T. * Tenner T. J. Ushikubo T. Bouvier A. Wadhwa M. Bullock E. S. MacPherson G. J. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5360 abstract (PDF)
Early Disk Dynamics Inferred from Isotope Systematics of Individual Chondrules
Bollard J. * Kawasaki N. Sakamoto N. Larsen K. Wielandt D. Schiller M. Connelly J. N. Yurimoto H. Bizzarro M. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5211 abstract (PDF)
Cosmogenic Production Rates in Presolar SiC Grains
Trappitsch R. * Leya I. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5068 abstract (PDF)
Martian Noble Gases in Recently Found Shergottites, Nakhlites, and Breccia Northwest Africa 8114
Busemann H., Seiler S., Wieler R., Kuga M., Maden C., Irving A. J., Clay P. L., Joy K. H. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5235 abstract (PDF)
Lunar meteorite Yamato-983885: Noble gases, nitrogen and cosmic ray exposure history
Ramakant R. Mahajan Planetary and Space Science In Press, Accepted Manuscript, Available online 30 May 2015 doi:10.1016/j.pss.2015.05.003 LINK
Hf-W Chronometry of Allende Chondrules and Matrix
Budde G, Kleine T, Kruijer TS & Metzler Goldschmidt 2015, Prague, 16-21 August 2015 PDF (abstract)
I-Xe Constraints on Accretion and Collisional Timescales
Gilmour J Goldschmidt 2015, Prague, 16-21 August 2015 PDF (abstract)
Early accretion of protoplanets inferred from a reduced inner solar system 26Al inventory
Martin Schiller, James N. Connelly, Aslaug C. Glad, Takashi Mikouchi, Martin Bizzarro Earth and Planetary Science Letters Volume 420, 15 June 2015, Pages 45–54 doi:10.1016/j.epsl.2015.03.028 LINK
Mn-Cr dating of Fe- and Ca-rich olivine from ‘quenched’ and ‘plutonic’ angrite meteorites using Secondary Ion Mass Spectrometry
Seann J. McKibbin, Trevor R. Ireland, Yuri Amelin, Peter Holden Geochimica et Cosmochimica Acta available online 21 February 2015 doi:10.1016/j.gca.2015.02.019 LINK
Low 60Fe abundance in Semarkona and Sahara 99555
Haolan Tang, Nicolas Dauphas The Astrophysical Journal, in press. arXiv:1502.05611 PDF LINK (full text) LINK
Isotopic mass fractionation laws for magnesium and their effects on 26Al-26Mg systematics in solar system materials
Andrew M. Davis, Frank M. Richter, Ruslan A. Mendybaev, Philip E. Janney, Meenakshi Wadhwa, Kevin D. McKeegan Geochimica et Cosmochimica Acta available online 16 February 2015 LINK
Mn-Cr systematics in primitive meteorites: insights from mineral separation and partial dissolution
Christa Göpel, Jean-Louis Birck, Albert Galy, Jean-Alix Barrat, Brigitte Zanda Geochimica et Cosmochimica Acta doi:10.1016/j.gca.2015.02.008 available online 14 February 2015 LINK
Effects of meteoroid shape on cosmogenic nuclide production processes
Masarik, J. and Beňo, J. (2015) Meteoritics & Planetary Science. doi: 10.1111/maps.12423 LINK
High-Precision U-Pb and Pb-Pb Geochronology at UC Davis — First Results for EarlyTime Standards
M.H. Huyskens, M.E. Sanborn and Q.-Z. Yin 46th Lunar and Planetary Science Conference (2015), Abstract #2340 PDF LINK
Hafnium-Tungsten Age of Allende Chondrules and Matrix
G. Budde, T. Kleine, T. S. Kruijer, K. Metzler 46th Lunar and Planetary Science Conference (2015), Abstract #2262 PDF LINK
The Forgotten Uncertainties in Using Radiochronometry to Date Minerals that Formed in the Early Solar System — The Example of 53Mn
M. A. Tyra 46th Lunar and Planetary Science Conference (2015), Abstract #2911 PDF LINK
Lithologies Making Up CM Carbonaceous Chondrites and Their Link to Space Exposure Ages
T. Gregory, M. E. Zolensky, A. Trieman, E. Berger, L. Le, A. Fagan, A. Takenouchi, M. A. Velbel, K. Nishiizumi 46th Lunar and Planetary Science Conference (2015), Abstract #1227 PDF LINK
26Al and 10Be Activities in Chelyabinsk (LL5): Implications for Cosmic-Ray Exposure History
J. Park, G. F. Herzog, L. E. Nyquist, C.-Y. Shih, M.-K. Haba, K. Nagao 46th Lunar and Planetary Science Conference (2015), Abstract #1453 PDF LINK
Correlated cosmogenic W and Os isotopic variations in Carbo and implications for Hf-W chronology
Liping Qin, Nicolas Dauphas, Mary F. Horan, Ingo Leya, Richard W. Carlson Geochimica et Cosmochimica Acta doi:10.1016/j.gca.2014.11.015 available online 2 January 2015 LINK
High resolution U-Pb ages of Ca-phosphates in Apollo 14 breccias: Implications for the age of the Imbrium impact
Merle, R. E., Nemchin, A. A., Grange, M. L., Whitehouse, M. J. and Pidgeon, R. T. (2014), Meteoritics & Planetary Science. doi: 10.1111/maps.12395 LINK
Terrestrial Ages of Meteorites from Hot and Cold Deserts Determined from Cosmogenic Radionuclides
Jull A. J. T. Modern Analytical Methods I Workshop on the Modern Analytical Methods Applied to Earth and Planetary Sciences (methods 2014) PDF LINK
The Uranium Isotopic Composition of the Earth and the Solar System
Alexander Goldmann, Gregory Brennecka, Janine Noordmann, Stefan Weyer, Meenakshi Wadhwa Geochimica et Cosmochimica Acta DOI: 10.1016/j.gca.2014.09.008 In Press, Available online 30 September 2014 LINK Abstract Recent high-precision mass spectrometric studies of the uranium isotopic composition…
Space erosion and cosmic ray exposure ages of stony meteorites
David Parry Rubincam LINK Abstract Space erosion from dust impacts may set upper limits on the cosmic ray exposure (CRE) ages of stony meteorites. A meteoroid orbiting within the asteroid belt is bombarded by both…
Northwest Africa 8159: An approximately 2.3 Billion Year Old Martian Olivine-Bearing Augite Basalt
Simon, J. I., Peters, T. J., Tappa, M. J., Agee, C. B. Based on petrology, mineralogy, and bulk composition, the new NWA 8159 martian meteorite is distinct from all known samples from Mars. In particular,…
Samarium–neodymium chronology and rubidium–strontium systematics of an Allende calcium–aluminum-rich inclusion with implications for 146Sm half-life
N.E. Marks, L.E. Borg, I.D. Hutcheon, B. Jacobsen, R.N. Clayton Earth and Planetary Science Letters Volume 405, 1 November 2014, Pages 15–24 DOI: 10.1016/j.epsl.2014.08.017 Available online 29 August 2014 LINK
Nucleosynthetic W isotope anomalies and the Hf–W chronometry of Ca–Al-rich inclusions
Thomas S. Kruijer, Thorsten Kleine, Mario Fischer-Gödde, Christoph Burkhardt, Rainer Wieler Earth and Planetary Science Letters 403,317–327. DOI: 10.1016/j.epsl.2014.07.003 LINK
Cosmogenic Radionuclides in the Kosice H5 and Chelyabinsk LL5 Chondrites and Cosmic Ray Modulation
Alexeev, V.; Laubenstein, M.; Povinec, P.; Ustinova, G. PDF LINK
Noble Gas and Mineralogical Studies of NWA 7325 Ungrouped Achondrite
Hasegawa, H.; Haba, M. K.; Nagao, K.; Mikouchi, T.; Bizzarro, M. PDF LINK
Fossil records of high level of 60Fe in chondrules from unequilibrated chondrites
Mishra R.K. and Chaussidon M. Earth and Planetary Science Letters Volume 398, 15 July 2014, Pages 90–100 LINK
Correlated accretion ages and ε54Cr of meteorite parent bodies and the evolution of the solar nebula
Sugiura N and Fujiya W (in press) Meteoritics & Planetary Science, 49: 772–787. doi: 10.1111/maps.12292 LINK
Insights into the Martian mantle: The age and isotopics of the meteorite fall Tissint
Brennecka, G. A., Borg, L. E. and Wadhwa, M. (2014) Meteoritics & Planetary Science Volume 49, Issue 3, pages 412–418, March 2014 LINK
39Ar-40Ar chronology of the enstatite chondrite parent bodies
Hopp J, Trieloff M, Ott U, Korochantseva EV and Buykin AI Meteoritics & Planetary Science Volume 49, Issue 3, pages 358–372, March 2014 LINK
U-Pb systematics of the unique achondrite Ibitira: Precise age determination and petrogenetic implications
Iizuka T, Amelin Y, Kaltenbach A, Koefoed P and Stirling CH Geochimica et Cosmochimica Acta Volume 132, 1 May 2014, Pages 259–273 LINK
Inheritance of solar short- and long-lived radionuclides from molecular clouds and the unexceptional nature of the solar system
Young ED (2014) Earth and Planetary Science Letters Volume 392, 15 April 2014, Pages 16–27 LINK Apparent excesses in early-solar 26Al, 36Cl, 41Ca, and 60Fe disappear if one accounts for ejecta from massive-star winds concentrated…
No evidence for a decrease of nuclear decay rates with increasing heliocentric distance based on radiochronology of meteorites
Meier MMM and Wieler R Astroparticle Physics Volume 55, March 2014, Pages 63–75 LINK Constraints on the age of the Earth and the oldest meteorite phases obtained by the U–Pb dating technique give no hints…
Alpha-decay of 184Os revealed by radiogenic 180W in meteorites: Half life determination and viability as geochronometer
Peters STM, Münker C, Becker H and Schulz T (2014) Earth and Planetary Science Letters Volume 391, 1 April 2014, Pages 69–76 LINK
Fe-Ni and Al-Mg isotope records in UOC chondrules: Plausible stellar source of 60Fe and other short-lived nuclides in the early Solar System
Mishra RK and Goswami JN (in press) Geochimica et Cosmochimica Acta Volume 132, 1 May 2014, Pages 440–457 LINK Model stellar nucleosynthesis yields suggest that both a high mass (5–6.5 M⊙) Asymptotic Giant Branch (AGB)…
Highly Siderophile Elements and 187Re-187Os Isotopic Systematics of the Allende Meteorite: Evidence for Primary Nebular Processes and Late-stage Alteration
Archer GJ, Ash RD, Bullock ES and Walker RJ Geochimica et Cosmochimica Acta Volume 131, 15 April 2014, Pages 402–414 LINK
On the Injection of Short-lived Radionuclides from a Supernova into the Solar Nebula: Constraints from the Oxygen Isotopes
Liu, Ming-Chang (2014) The Astrophysical Journal – Letters 781:L28. ApJ 781 L28. doi:10.1088/2041-8205/781/2/L28 LINK
Magnesium diffusion in plagioclase: Dependence on composition, and implications for thermal resetting of the 26Al–26Mg early solar system chronometer
Van Orman JA, Cherniak DJ and Kita NT Earth and Planetary Science Letters Volume 385, 1 January 2014, Pages 79–88 LINK
Introduction to Chemistry and Applications in Nature of Mass Independent Isotope Effects Special Feature
Thiemens MH (2013) PNAS 110:17631-17637 LINK
Cosmic-ray exposure ages of fossil micrometeorites from mid-Ordovician sediments at Lynna River, Russia
Meier MMM, Schmitz B, Lindskog A, Maden C and Wieler R (in press) Geochimica et Cosmochimica Acta Volume 125, 15 January 2014, Pages 338–350 LINK
Calibration of cosmogenic noble gas production in ordinary chondrites based on 36Cl-36Ar ages. Part 1: Refined produced rates for cosmogenic 21Ne and 38Ar
Dalcher N, Caffee MW, Nishiizumi K, Welten KC, Vogel N, Wieler R and Leya I Meteoritics & Planetary Science Volume 48, Issue 10, pages 1841–1862, October 2013 doi:10.1111/maps.12203 LINK
Uranium isotope compositions of the basaltic angrite meteorites and the chronological implications for the early Solar System
Gregory A. Brennecka and Meenakshi Wadhwa NAS 2012 109 (24) 9299-9303; published ahead of print May 30, 2012, doi:10.1073/pnas.1114043109 PDF LINK LINK (Supporting Information) LINK (abstract) Abstract Events occurring within the first 10 million years…
