WORKSHPORPO GRAM AND A B S T U - S LPI Contribution No. 1267 Workshop on Oxygen in Asteroids and Meteorites June 2-39 2005 Flagstaff, Arizona Sponsored by Lunar and Planetary Institute National Aeronautics and Space Administration NASA Cosmochemistry Program Conveners David W. Mittlefehldt, NASA Johnson Space Center Thomas Burbine, NASA Goddard Space Flight Center Asteroids and Meteorites Team and Workshop Program Committee David W. Mittlefehldt, NASA Johnson Space Center Thomas Burbine, NASA Goddard Space Flight Center Jeremy Delaney, Rufgers University Ian Franchi, Open University Andrew Rivkin, Massachusetts Institute of Technology Michael Zolensky, NASA Johnson Space Center Lunar and Planetary Institute 3600 Bay Area Boulevard Houston TX 77058-1 1 13 LPI Contribution No. 1267 Compiled in 2005 by LUNAR AND PLANETARY INSTITUTE The Institute is operated by the Universities Space Research Association under Agreement No. NCC5-679 issued through the Solar System Exploration Division of the National Aeronautics and Space Administration. Any opinions, findings, and conclusions or recommendations expressed in this volume are those of the author(s) and do not necessarily reflect the views of the National Aeronautics and Space Administration. Material in this volume may be copied without restraint for library, abstract service, education, or personal research purposes; however, republication of any paper or portion thereof requires the written permission of the authors as well as the appropriate acknowledgment of this publication. Abstracts in this volume may be cited as Author A. B. (2005) Title of abstract. In Workshop on Oxygen in Asteroids and Meteorites, p. XX. LPI Contribution No. 1267, Lunar and Planetary Institute, Houston. This volume is distributed by ORDER DEPARTMENT Lunar and Planetary Institute 3600 Bay Area Boulevard Houston TX 77058-1 113, USA Phone: 281-486-217 2 Fax: 281-486-2186 E-mail: [email protected] Mail orders requestors will be invoiced for the cost of shipping and handling. ISSN NO.0 161-5297 This volume contains abstracts that have been accepted for presentation at the Workshop on Oxygen in Asteroids and Meteorites, June 2-3, 2005, Flagstaff, Arizona. Administration and publications support for this meeting were provided by the staff of the Publications and Program Services Department at the Lunar and Planetary Institute. Program ........................................................................................................................................................... 1 Constraints on the Detection of the Solar Nebula’s Oxidation State Through Asteroid Observations P. A. Abell, M J. GaHey, and P. S. Hardersen ................................................................................. 5 OxidatiodReduction Processes in Primitive Achondrites G. K. Benedix and T. J. McCoy ......................................................................................................... 6 Low-Temperature Chemical Processing on Asteroids P. A. Bland ........................................................................................................................................ 7 On the Formation Location of Asteroids and Meteorites W. F. Bottke andD. Nesvomy ........................................................................................................... 8 The Spectral Properties of Angritic Basalts T. H, Burbine and T. J. McCoy ......................................................................................................... 9 Correlation Between Chemical and Oxygen Isotopic Compositions in Chondrites R. N. Clayton ................................................................................................................................... 10 Effect of In-Situ Aqueous Alteration on Thermal Model Heat Budgets B. A. Cohen and R. F. Coker ........................................................................................................... 1 1 Oxidation-Reduction in Meteorites: The Case of High-Ni Irons C. M Corrigan and T. J. McCoy .................................................................................................... 12 Ureilite Atmospherics: Coming up for ‘Air’ on a Parent Body J. S. Delaney .................................................................................................................................... 13 High Temperature Effects Including Oxygen Fugacity, in Pre-Planetary and Planetary Meteorites and Asteroids J. S. Delaney .................................................................................................................................... 14 Oxygen Isotopic Variation of Asteroidal Materials I. A. Franchi, R. C. Greenwood, L. Baker, andA. A. Morris .......................................................... 15 High-Temperature Chemical Processing on Asteroids: An Oxygen Isotope Perspective R. C. Greenwood andl. A. Franchi ................................................................................................. 16 Oxygen Isotopes and Origin of Opaque Assemblages from the Ningqiang Carbonaceous Chondrite Y. Guan, IT Hsu, X. Hua, andL. A. Leshin .................................................................................... 17 Water Distribution in the Asteroid Belt E. S. Howell, A. S. Rivkin, and F. Was. .......................................................................................... 18 Comparative Planetary Mineralogy: V Systematics in Planetary Pyroxenes andfo 2 Estimates for Basalts from Vesta J. M. Karner, J. J. Pupike, and C. K. Shearer ................................................................................. 19 Oxygen Fugacity Variations Within and Among Meteorite Parent Bodies D. S. Lauretta .................................................................................................................................. 20 Correlation of Oxidation State with Thermal Metamorphism in Ordinary Chondrites C. A. Marsh and D. S. Lauretta ....................................................................................................... 21 Meteorite-Asteroid Links: Can They be Forged? T. J. McCoy and T. H.B urbine ....................................................................................................... 22 Correlations of A”O with Chemical Characteristics Among Chondrite Groups D. W. Mittlefehldt ............................................................................................................................ 23 Determining the Effects of Aqueous Alteration on the Distribution of Oxygen Isotopes in Carbonaceous Chondrites A. A. Morris, L. Baker, I. A. Franchi, and I. P. Wright ................................................................... 24 Space Weathering on Asteroids S. K. Noble ...................................................................................................................................... 25 OH and H20o n Asteroids: An Astronomical Perspective A. S. Rivkin ...................................................................................................................................... 26 Relict Olivine, Chondrule Recycling, and Evolution of Oxygen Reservoirs A. Ruzicka, H. Hiyagon, and C. Floss ............................................................................................. 27 Eu Valence Oxybarameter in Pyroxenes. Effects of Pyroxene Composition- Crystallization Histories-Crystallization Kinetics and a Comparison Between Lunar Basalts and Eucrites C. K. Shearer, J. J. Papike, and J. M Kamer ................................................................................. 2% A Chemical Model of Micrometeorite Impact into Olivine A. A. Sheffer and H. J. Melosh ........................................................................................................ 29 Exploring the Origin of Planetary Water Using an Atomistic Approach M. Stimpjl, M J. Drake, D. S. Lauretta, and P. Demyer ................................................................. 30 The Hayabusa Asteroid Sample Return Mission H. Yano. ........................................................................................................................................... 31 What is the Water (OH) Content of the E Asteroids? M E. Zolensky ................................................................................................................................. 32 Competitive Oxidation and Hydration During Aqueous Alteration of Asteroids M Yu. Zolotov, M V. Mironenko, and E. L. Shock ......................................................................... 33 ~ ~~~ Workshop on Oxygen in Asteroids and Meteorites 1 THURSDAJYU,N E 2,2005 OXYGEN ISOTOPES: DATA AND PROCESSES 8:30 a.m. Chairs: I. A. Franchi D. W. Mittlefehldt Clayton R. N. * [INVITED] Correlation Between Chemical and Oxygen Isotopic Compositions in Chondrites [#7022] Franchi I. A. * Greenwood R. C. Baker L. Moms A. A. [INVITED] Oxygen Isotopic Variation of Asteroidal Materials [#7007] Greenwood R. C. * Franchi I. A. [INVITED] High-Temperature Chemical Processing on Asteroids: An Oxygen Isotope Perspective [#7006] Mittlefehldt D. W. * Correlations of Ai70w ith Chemical Characteristics Among Chondrite Groups [#7005] Guan Y. * Hsu W. Hua X. Leshin L. A. Oxygen Isotopes and Origin of Opaque Assemblages from the Ningqiang Carbonaceous Chondrite [#7011] Ruzicka A. * Hiyagon H. Floss C. Relict Olivine, Chondrule Recycling, and Evolution of Oxygen Reservoirs [#7009] 12:OO - 1:30 p.m. LUNCH 2 LPI Contribution No. 1267 Thursday, June 2,2005, continued WATER AND LOW-TEMPERATURE PROCESSING OF ASTEROIDS 1:30 p.m. Chairs: A. S. Rivkin M. E. Zolensky Bland P. A. * [INVITED] Low-Temperature Chemical Processing on Asteroids [#7015] Rivkin A. S. * [INVITED] OH and H20 on Asteroids: An Astronomical Perspective [#7018] Stimpfl M. * Drake M. J. Lauretta D. S. Demyer P. Exploring the Origin of Planetary Water Using an Atomistic Approach [#7029] Was F. * Jarvis K. S. Cochran A. L. Zolensky M. E. Diyerences in Oxidation Level in Low-Albedo Asteroids as Determined from Reflectance Spectroscopy [#7031 1 Howell E. S. * Rivkin A. S. Was F. Water Distribution in the Asteroid Belt [#7024] Zolensky M. E. * What is the Water (OH) Content of the E Asteroids? [#7013] Cohen B. A. Coker R. F. Effect of In-Situ Aqueous Alteration on Thermal Model Heat Budgets [#7012] Zolotov M. Yu. * Mironenko M. V. Shock E. L. Competitive Oxidation and Hydration During Aqueous Alteration of Asteroids [#7004] Moms A. A. * Baker L. Franchi I. A. Wright I. P. Determining the Effects ofAqueous Alteration on the Distribution of Oxygen Isotopes in Carbonaceous Chondrites [#7008] ~~ Workshop on Oxygen in Asteroids and Meteorites 3 FRIDAYJ,U NE3 ,2005 OXYGEN FUGACITY AND HIGH-TEMPERATURE PROCESSING OF ASTEROIDS 8:30 a.m. Chairs: J. S. Delaney D. W. Mittlefehldt Lauretta D. S. * [INVITED] Oxygen Fugacity Variations Within and Among Meteorite Parent Bodies [#7028] Delaney J. S. * [INVITED] High Temperature Effects Including Oxygen Fugacity, in Pre-Planetary and Planetary Meteorites and Asteroids [#7019] Karner J. M. * Papike J. J. Shearer C. K. ComparativeP lanetary Mineralogy: V Systematics in Planetary Pyroxenes andf 02 Estimates for Basaltsfrom Vesta [#7010] Shearer C. K. * Papike J. J. Karner J. M. Eu Valence Oxybarameteri n Pyroxenes. Effects of Pyroxene Composition-Crystallization Histories-Crystallization Kinetics and a Comparison Between Lunar Basalts and Eucrites [#7003] Jones J. H. * Effect of Oxygen Fugacity on the Production ofAsteroidal Basalts [#7032] Delaney J. S. * Ureilite Atmospherics: Coming up for ‘Air’ on a Parent Body [#7014] Benedix G. K. * McCoy T. J. OxidatiodReduction Processes in Primitive Achondrites [#7026] Corrigan C. M. * McCoy T. J. Oxidation-Reductioni n Meteorites: The Case of High-Ni Irons [#I70231 Marsh C. A. * Lauretta D. S. Correlation of Oxidation State with Thermal Metamorphism in Ordinary Chondrites [#7027] 12:OO - 1:30 p.m. LUNCH 4 LPI Contribution No. 1267 Friday, June 3,2005, continued LINKING ASTEROIDS AND METEORITES: REMOTE SENSING OF OXIDATION STATE 1:30 p.m. Chairs: T. H. Burbine M. E. Zolensky Noble S. K. * [INVITED] Space Weathering on Asteroids [#7002] Burbine T. H. * Rivkin A. S. [INVITED] How Well Can You Determine Asteroid Mineralogies? [#7033] Sheffer A. A. * Melosh H. J. A Chemical Model of Micrometeorite Impact into Olivine [#7021] Bottke W. F. * Nesvorny D. [INVITED] On the Formation Location of Asteroids and Meteorites [#7025] Burbine T. H. * McCoy T. J. The Spectral Properties of Angritic Basalts [#7016] Abell P. A. * Gaffey M. J. Hardersen P. S. Constraints on the Detection of the Solar Nebula’s Oxidation State Through Asteroid Observations [#7020] McCoy T. J. * Burbine T. H. [INVITED] Meteorite-Asteroid Links: Can They be Forged? [#I70171 Yano H. * [INVITED] The Hayabusa Asteroid Sample Return Mission [#7030]