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…
Early sulfur‐rich magmatism on the ungrouped achondrite Northwest Africa 7325 differentiated parent body
Jing Yang, Yangting Lin, Hitesh Changela, Liewen Xie, Bin Chen, Jinhui Yang Meteoritics & Planetary ScienceVersion of Record online:08 September 2020 LINK “The ungrouped achondrite Northwest Africa (NWA) 7325 parent body underwent a severe impact…
Evidence for anorthositic crust formed on an inner solar system planetesimalOPEN ACCESS
P. Frossard, M. Boyet, A. Bouvier, T. Hammouda, J. Monteux Geochemical Perspectives Letters v11 doi: 10.7185/geochemlet.1921 Published 7 October 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “During the first million years of solar system history,…
Evidence for early impact on a hot differentiated planetesimal from Al-rich micro-inclusions in ungrouped achondrite Northwest Africa 7325
Jing Yang, Chi Zhang, Masaaki Miyahara, Xu Tang, Lixin Gu, Yangting Lin Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 13 March 2019 LINK “The ungrouped achondrite NWA 7325 is a cumulate olivine…
Highly siderophile element and 187Re‐187Os isotopic systematics of ungrouped achondrite Northwest Africa 7325: Evidence for complex planetary processes
Gregory J. Archer, Richard J. Walker, Anthony J. Irving Meteoritics & Planetary Science First Published: 24 February 2019 LINK “The abundances of highly siderophile elements (HSE; including Re, Os, Ir, Ru, Pt, and Pd) and…
The ungrouped achondrite Northwest Africa (NWA) 7325: Spectral reflectance properties and implications for parent body identification
Edward A. Cloutis, Vishnu Reddy, David T. Blewett Icarus In Press, Available online 24 April 2018 LINK “Highlights • the ungrouped achondrite NWA 7325 has been spectrally characterized • NWA 7325 reflectance spectra show diagnostic…
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…
Magmatic Evolution Trends Within the Ungrouped Achondrite Meteorite Record
Z. Vaci, C. B. Agee, K. Ziegler, M. T. Heizler 49th Lunar and Planetary Science Conference (2018), Abstract #1256 abstract
Iron Isotope Compositions of Achondritic Meteorites
Ray S. * Rai V. K. Hines R. Romaniello S. Wadhwa M. 80th Annual Meeting of the Meteoritical Society 2017 [#6400] abstract (PDF) “Here, we report the iron isotope compositions of three ungrouped achondrites, North…
Andesitic-Dacitic Achondrite Northwest Africa 11119: Evidence for Extraterrestrial Silica-Rich Magmatism
Srinivasan P. * Agee C. B. McCubbin F. M. Ziegler K. 80th Annual Meeting of the Meteoritical Society 2017 [#6129] abstract (PDF) “Petrologic and isotopic results for ungrouped achondrite Northwest Africa 11119 shows a possible…
Reactions Along the Boundaries Between Plagioclase and Diopside of Ungrouped Achondrite Northwest Africa 7325
Yang J. * Lin Y. T. 80th Annual Meeting of the Meteoritical Society 2017 [#6240] abstract (PDF) “In order to clarify the late-stage processes after the crystallization of NWA 7325, we analysed chemical compositions and…
26Al-26Mg Systematics of the Ungrouped Achondrite Northwest Africa 11119: Timing of Extraterrestrial Silica-Rich Magmatism
Dunlap D. R. * Wadhwa M. Agee C. 80th Annual Meeting of the Meteoritical Society 2017 [#6268] abstract “Ungrouped achondrite NWA 11119 has an andesite-dacite bulk SiO2. The high precision 26Al-26Mg internal isochron age is…
A nonmagnetic differentiated early planetary body
Benjamin P. Weiss, Huapei Wang, Thomas G. Sharp, Jérôme Gattacceca, David L. Shuster, Brynna Downey, Jinping Hu, Roger R. Fu, Aaron T. Kuan, Clément Suavet, Anthony J. Irving, Jun Wang, Jiajun Wang Earth and Planetary…
Calcic Plagioclase-Rich Clasts Resembling the NWA 7325 Ungrouped Achondrite in Polymict Ureilites
S. Boyle, C. A. Goodrich, N. T. Kita, A. H. Treiman, J. Gross 48th Lunar and Planetary Science Conference (2017), Abstract #1219 PDF
Titanium, Vanadium and Chromium Valences in Silicates of Ungrouped Achondrite NWA 7325 and Ureilite Y-791538 Record Highly-Reduced Origins
S.R. Sutton, C.A. Goodrich, S. Wirick Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 2 February 2017 LINK “Titanium, Cr, and V valences were determined by applying micro-X-ray Absorption Near Edge Structure (micro-XANES)…
Petrogenesis and Provenance of Ungrouped Achondrite Northwest Africa 7325 from Petrology, Trace Elements, Oxygen, Chromium and Titanium Isotopes, and Mid-IR Spectroscopy
Cyrena A. Goodrich, Noriko T. Kita, Qing-Zhu Yin, Matthew E. Sanborn, Curtis D. Williams, Daisuke Nakashima, Melissa D. Lane, Shannon Boyle Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 5 January 2017 LINK…
U-Pb Age of the Ungrouped Achondrite NWA 8486
Cartwright J. A. * Amelin Y. Koefoed P. Wadhwa M. 79th Annual Meeting of the Meteoritical Society (2016) #6231 abstract
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…
Silicon Isotope Composition of Ungrouped Achondrite Northwest Africa 7325
X. Chen, T. J. Lapen, R. Andreasen, M. Righter, A. J. Irving, H. S. Chafetz 47th Lunar and Planetary Science Conference (2016), Abstract #2812 PDF
Cosmochemical and spectroscopic properties of Northwest Africa 7325—A consortium study
Weber, I., Morlok, A., Bischoff, A., Hiesinger, H., Ward, D., Joy, K. H., Crowther, S. A., Jastrzebski, N. D., Gilmour, J. D., Clay, P. L., Wogelius, R. A., Greenwood, R. C., Franchi, I. A. and…
Crustal differentiation in the early solar system: clues from the unique achondrite Northwest Africa 7325 (NWA 7325)
J.A. Barrat, R.C. Greenwood, A.B. Verchovsky, Ph. Gillet, C. Bollinger, J.A. Langlade, C. Liorzou, I.A. Franchi Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 22 July 2015 LINK
The Iodine-Xenon System In Achondrites
Crowther, S. A.; Gilmour, J. D. 78th Annual Meeting of the Meteoritical Society (2015), abstract #5242 abstract (PDF)
Highly Siderophile Element and 187Re-187Os Isotopic Systematics of Ungrouped Achondrite Northwest Africa 7325
G. J. Archer, R. J. Walker, A. J. Irving 46th Lunar and Planetary Science Conference (2015), Abstract #1987 PDF LINK
Mid-infrared emission spectroscopy of meteorite NWA 7325: Identifying the mineralogy with a non-destructive, remote-sensing technique
Melissa Lane, Cyrena Goodrich, Noriko Kita A polished chip of the Northwest Africa 7325 meteorite, a highly reduced, ungrouped achondrite [1-4], was analyzed using an FTIR spectrometer modified for emission measurements. The chip was roughly…
The Unique Differentiated Meteorite NWA 7325: Highly Reduced, Stark Affinities to E-Chondrites and Unknown Parental Planet
A. El Goresy, T. Nakamura, M. Miyahara, E. Ohtani, Ph. Gillet, K. Jogo, M. Yamanobe and H. Ishida 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
Abundance and Isotopic Composition of Xenon in the Ungrouped Achondrite NWA 7325
Crowther, S. A.; Jastrzebski, N. D.; Weber, I.; Hiesinger, H.; Gilmour, J. D. PDF LINK
Magnetic and Nonmagnetic Differentiated Planetesimals
B. P. Weiss, R. Fu, D. L. Shuster, J. Gattacceca, C. R. Suavet, A. J. Irving Workshop on Planetesimal Formation and Differentiation (2013), Abstract #8047 PDF LINK
