Antarctic Meteorite Petrographic Description

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Sample Petrographic Description

Sample Number

SCO 06043

Newsletter

31,1

Location

Scott Glaciers

Field Number

17744

Dimensions (cm)

5.0 x 2.75 x 1.75

Weight (g)

27.56

Original Classification

CM1 Chondrite

Weathering

B/Ce

Fracturing

B/C

Macroscopic Description - Kathleen McBride

Exterior has 10% purple-black fusion crust with bubbles. The interior is a black matrix with a 'shale like' fracture pattern with evaporites and oxidation rind.

Thin Section Description (,2) - Tim McCoy, Cari Corrigan, Linda Welzenbach

The section consists of abundant small chondrules (up to 0.5 mm) that have been completely replaced by phyllosilicate set in an Fe-rich serpentine matrix. A marked linear fabric is apparent in the section. No isolated mineral grains or CAIs are apparent; sulfide grains and carbonates are present. Unaltered olivine or pyroxene grains of sufficient size for microprobe analyses were not found. The meteorite is a highly altered CM1 chondrite.

Antarctic Meteorite Images for Sample SCO 06043

Field Photo(s) :

ANSMET SCO 06043 - Field Number: 17744, NASA Photo Number: jsc2019e053949

Field photo image(s) courtesy of the ANSMET (ANtarctic Search for METeorites) Program, Case Western Reserve University and the University of Utah

Antarctic Meteorite Images for Sample SCO 06043

Thin Section Photo(s) :

Thin Section Photograph of Sample SCO 06043 in Plane-Polarized Light

Thin Section Photograph of Sample SCO 06043 in Reflected Light

References for Sample SCO06043

Krietsch, D., Busemann, H., Riebe, M.E.I., King, A.J., Alexander, C.M.O’D., Maden, C., 2021, Noble gases in CM carbonaceous chondrites: Effect of parent body aqueous and thermal alteration and cosmic ray exposure ages. Geochimica et Cosmochimica Acta, 310, 240–280, https://doi.org/10.1016/j.gca.2021.05.050.

Lee, M.R., Cohen, B.E., Boyce, A.J., Hallis, LJ., and Daly, L., 2021, The pre-atmospheric hydrogen inventory of CM carbonaceous chondrites. Geochimica et Cosmochimica Acta, 309, 31-44, https://doi.org/10.1016/j.gca.2021.06.013.

Zhu, K., Moynier, F., Schiller, M., Alexander, C., Davidson, J., Schrader, D., van Kooten, E., and Bizzarro, M., 2021, Chromium Isotopic insights into the origin of chondrite parent bodies and the early terrestrial volatile depletion. Geochimica et Cosmochimica Acta, 301, 158–186, doi: 10.1016/j.gca.2021.02.031.

Ebel, D.S., Kim, G., and Kling, A.M., Breitenfeld, L.B., Rogers, A.D., Glotch, T.D., Hamilton, V.E., Christensen, P.R., Lauretta, D.S., Gemma, M.E., Howard, K.T., 2021, Machine Learning Mid-Infrared Spectral Models for Predicting Modal Mineralogy of CI/CM Chondritic Asteroids and Bennu. Journal of Geophysical Research: Planets, p.e2021JE007035, https://doi.org/10.1029/2021JE007035.

Kaplan, H.H., Connolly, H.C., Dotto, E., Emery, J.P., Fornasier, S., Lantz, C., Lim, L.F., Merlin, F., Praet, A., Reuter, D.C., Sanford, S.A., Hamilton, V.E., Simon, A.A., Takir, D., and Lauretta, D.S., Howell, E.S., Anderson, F.S., Barrucci, M.A., Brucato, J., Burbine, T.H., Clark, B.E., Cloutis, E.A., 2020, Visible-near infrared spectral indices for mapping mineralogy and chemistry with OSIRIS-Rex. Meteoritics & Planetary Science, 55, 744-765, doi: 10.111/maps.13461.

Kaplan, H.H., Campins, H., Connolly, H.C., Lauretta, D.S., Simon, A.A., Hamilton, V.E., DellaGiustina, D.N., Golish, D.R., Reuter, D.C., Bennett, C.A., Burke, K.N., 2020, Bright carbonate veins on asteroid (101955) Bennu: Implications for aqueous alteration history. Science, 370(6517), eabc3557.

Braukmüller, N., Wombacher, F., Funk, C., & Münker, C., 2019, Earth’s volatile element depletion pattern inherited from a carbonaceous chondrite-like source. Nature Geoscience, 12, 564–568.

Simkus, D. N., Aponte, J. C., Elsila, J. E., Parker, E. T., Glavin, D. P., & Dworkin, J. P., 2019, Methodologies for Analyzing Soluble Organic Compounds in Extraterrestrial Samples: Amino Acids, Amines, Monocarboxylic Acids, Aldehydes, and Ketones. Life, 9, 47.

Friedrich, J. M., Abreu, N. M., Wolf, S. F., Troiano, J. M., & Stanek, G. L., 2018, Redox-influenced trace element compositional differences among variably aqueously altered CM chondrites. Geochimica et Cosmochimica Acta, 237, 1-17.

Schäfer, M., Raymond, C.A., and Russell, C.T., Schäfer, T., Izawa, M.R., Cloutis, E.A., Schröder, S.E., Roatsch, T., Preusker, F., Stephan, K., Matz, K.D., 2018, Ceres’ spectral link to carbonaceous chondrites—Analysis of the dark background materials. Meteoritics & Planetary Science, 53, 1925–1945.

Shäfer, M., Raymond, C.A., Russell, C.T., Shäfer, T., Izawa, M.R.M., Cloutis, E.A., Schröder, S.E., Roatsch, T., Preusker, F., Stephan, K., Matz, K.D., 2018, Ceres’ spectral link to carbonaceous chondrites – Analysis of the dark background materials. Meteoritics & Planetary Science, 53, 1925-1945, doi: 10.1111/maps.13079.

Braukmüller, N., Wombacher, F., Hezel, D. C., Escoube, R., & Münker, C., 2018, The chemical composition of carbonaceous chondrites: Implications for volatile element depletion, complementarity and alteration. Geochimica et Cosmochimica Acta, 239, 17-48.

Sutton, S., Alexander, C. O. D., Bryant, A., Lanzirotti, A., Newville, M., & Cloutis, E. A. , 2017, The Bulk Valence State of Fe and the Origin of Water in Chondrites. . Geochimica et Cosmochimica Acta, 211, 115-132, http://dx.doi.org/10.1016/j.gca.2017.05.021.

Alexander, C. M. O'D., Bowden, R., Fogel, M. L., Howard, K. T., 2015, Carbonate abundances and isotopic compositions in chondrites. Meteoritics & Planetary Science, 50, 810-833, http://dx.doi.org/10.1111/maps.12410.

Lindgren, P., Hanna, R. D., Dobson, K. J., Tomkinson, T., Lee, M. R., 2015, The paradox between low shock-stage and evidence for compaction in CM carbonaceous chondrites explained by multiple low-intensity impacts. Geochimica et Cosmochimica Acta, 148, 1-Jan-15, 159-178, ISSN 0016-7037, http://dx.doi.org/10.1016/j.gca.2014.09.014.

Howard, K. T., Alexander, C. M. O'D., Schrader, D. L., Dyl, K. A., 2015, Classification of hydrous meteorites (CR, CM and C2 ungrouped) by phyllosilicate fraction: PSD-XRD modal mineralogy and planetesimal environments. Geochimica et Cosmochimica Acta, 149, 15-Jan-15, 206-222, ISSN 0016-7037, http://dx.doi.org/10.1016/j.gca.2014.10.025.

Trigo-Rodriguez, J. M., Moyano-Cambero, C. E., Llorca, J., Fornasier, S., Barucci, M. A., Belskaya, I., Jacinto, A. A., 2014, UV to far-IR reflectance spectra of carbonaceous chondrites-I. Implications for remote characterization of dark primitive asteroids targeted by sample-return missions. Monthly Notices of the Royal Astronomical Society, 437(1), 227-240.

Lee, M. R., Lindgren, P., Sofe, M. R., 2014, Aragonite, breunnerite, calcite and dolomite in the CM carbonaceous chondrites: High fidelity recorders of progressive parent body aqueous alteration. Geochimica et Cosmochimica Acta, 144, 126-156.

Alexander, C. M. O'D., Howard, K. T., Bowden, R., Fogel, M. L., 2013, The classification of CM and CR chondrites using bulk H, C and N abundances and isotopic compositions. Geochimica et Cosmochimica Acta, 123, 15-Dec-13, 244-260, ISSN 0016-7037, http://dx.doi.org/10.1016/j.gca.2013.05.019.

Alexander, C.O'D. M. O, Bowden,. R., Fogel, M. L., Howard, K. T., Herd, C. D. K., Nittler, L. R., 2012, The provenances of asteroids, and their contributions to the volatile inventories of the terrestrial planets. Science, 337(6095), 2012, 721-723.

Callahan, M. P., Smith, K. E., Cleaves Ii, H. J., Ruzicka, J., Stern, J. C., Glavin, D. P., House, C. H., Dworkin, J. P., 2011, Carbonaceous meteorites contain a wide range of extraterrestrial nucleobases. PNAS, 108 (34), 2011, 13995-13998, http://dx.doi.org/10.1073/pnas.1106493108.

Howard, K. T., Benedix, G. K., Bland, P. A., Cressey, G., 2011, Modal mineralogy of CM chondrites by X-ray diffraction (PSD-XRD): Part 2. Degree, nature and settings of aqueous alteration. Geochimica et Cosmochimica Acta, 75 Issue 10, 15-May-11, 2735-2751, ISSN 0016-7037, http://dx.doi.org/10.1016/j.gca.2011.02.021.

Glavin, D. P., Callahan, M. P., Dworkin, J. P., Elsila, J. E., 2010, The effects of parent body processes on amino acids in carbonaceous chondrites. Meteoritics & Planetary Science, 45, 1948-1972, http://dx.doi.org/10.1111/j.1945-5100.2010.01132.x.

RELAB, , Reflectance Experiment Lab , catalogue of samples.

Antarctic Meteorite Petrographic Description

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