M14.20110131

  1. RASC M14.20110131;
  2. Whitecourt, Iron, medium octahedrite (IIIAB), Whitecourt, Alberta, Canada (53° 59' 57" N, 115° 35' 51" W ), find 2007 July 1, ca. 70 kg;
  3. Anonymous gift 2011 January 31;
  4. 2 fragments: a) 0.448 x 0.25 x 0.15 cm; b) 0.23 x 0.14 x 0.08 cm;
  5. 0.03 gr;
  6. 14 a irregular lanceolate form; 14 b irregular form;
  7. 14 a & 14 b each have one polished face (treatment happened prior to their separating from a larger mass); weathering rind on other faces;
  8. Stable;
  9. not previously published;
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M13.20110131

  1. 1. RASC M13.20110131;
  2. 2. Tagish Lake, Carbonaceous chondrite (C2, ungrouped), British Columbia, Canada (59° 42' 16" N, 134° 12' 5" W ), fall 2000 January 18, 10 kg;
  3. 3. Anonymous gift 2011 January 31;
  4. 4. 16+ fragments; range of fragment sizes φ scale=1−3 (Wentworth size class=very coarse sand to fine sand), largest fragment 0.2 x 0.18 x 0.17 cm;
  5. 5. 0.005 gr;
  6. 6. Irregular forms;
  7. 7. Colour range: 5PB 2.5/1 Bluish Black Gley to N 2.5/ Black Gley, with sparse inclusions at 5Y 8/1 White (Munsell);
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I8.20091130

  1. RASC I8.20091130;
  2. Brecciated cobble (grey suevite), Wanapitei Impact Structure (46°45'N, 80°45'W), 37.2±1.2Ma;
  3. Anonymous gift 2009 November 30;
  4. 7.2 x 10 x 3.8 cm;
  5. 90 gr;
  6. Hemisphere, porous, one polished face (matte);
  7. Off–white with grey flecks;
  8. Friable;
  9. Not previously published;
    1. PASSCEID www.unb.ca/passc/ImpactDatabase/images/wanapitei.htm;
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I7.20091130

  1. RASC I7.20091130;
  2. Shattercone (quartz arenite), Sudbury Impact Structure (46°36'N, 81°11'W), 1850±3Ma;
  3. Anonymous gift 2009 November 30;
  4. 15 x 10 x 3.8 cm;
  5. 680 gr;
  6. Lightly to moderately defined striae (better detailed than in RASC I6), and apical features present;
  7. Light-yellow exterior colouration, with an overlay of light-grey weathering product over most of the faces;
  8. Good state of preservation;
  9. Not previously published;
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    I6.20091130

    1. RASC I6.20091130;
    2. Shattercone (quartz arenite), Sudbury Impact Structure (46°36'N, 81°11'W), 1850±3Ma;
    3. Anonymous gift 2009 November 30;
    4. 12.9 x 12 x 4.7 cm;
    5. 760 gr;
    6. Lightly defined striae (less well detailed than in RASC I5), and apical features present;
    7. Rosé and light–yellow exterior colouration, dark weathering product over ca. 65% of faces. Abrasions to weathering layer reveal brighter yellow colour of rock;
    8. Good state of preservation;
    9. Not previously published;
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    I5.20091130

    1. RASC I5.20091130;
    2. Shattercone (charnokitic gneiss), Charlevoix Impact Structure, Charlevoix, Quebec (47°32'N, 70°18'W), 342±15Ma;
    3. Anonymous gift 2009 November 30;
    4. 23.55 x 15 x 6 cm;
    5. 2250 gr;
    6. Specimen displays discernible horsetailing (lightly to moderately well-defined striae), indications of a cross-sectional curve, and apical features;
    7. Obscuring yellowish light-brown weathering product over most of the faces. Fractures reveal the characteristic light and dark foliated bands of the underlying rock;
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    I4.20091130

    1. RASC I4.20091130;
    2. Shattercone (Malmian Limestone), Steinheim Impact Structure, Baden-Württemberg (48°41N, 10°4E), 15±1Ma;
    3. Anonymous gift 2009 November 30;
    4. 3.47 x 2.55 x 0.91 cm;
    5. 7.2 gr;
    6. Irregular fan-shaped;
    7. Faces with long surface exposure have a light tan patina and occasional surface speckling caused by an overlay of dark material (lichen?). Relatively recently exposed faces are chalk-white in appearance. All surfaces have a typical mild abrasive feel;
    8. Good state of preservation;
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    I3.20091130

    1. RASC I3.20091130;
    2. Black Onaping (Suevite), Sudbury Impact Structure (46°36N, 81°11W), 1850±3Ma;
    3. Anonymous gift 2009 November 30;
    4. 10.10 x 4.37 x 0.99 cm;
    5. 59.9 gr;
    6. Slice, polished (matte) on broad faces;
    7. Weathering present on narrow faces, most concentrated on one of the longer faces;
    8. Good state of preservation;
    9. Published in www.encyclopedia-of-meteorites.com/meteorite.aspx?id=35310 ;
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    M12.20091130

    1. RASC M12.20091130;
    2. Brahin, Pallasite, PMG, Gomel’, Belarus (52°30'N, 30°20'E), find 1810, 823 kg;
    3. Anonymous gift 2009 November 30;
    4. Two fragments: a) 0.462 x 0.429 x 0.249 cm; b) 0.559 x 0.462 x 0.163 cm;
    5. a) 0.065 g; b) 0.050 g;
    6. a) Irregular triangular form; b) irregular lanceolate form;
    7. Typical attractive yellow crystalline olivine inclusions in an iron-nickel matrix;
    8. Good state of preservation;
    9. Not previously published;
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      M11.20091130

      1. RASC M11.20091130;
      2. Allan Hills 76009 (ALH 76009), L6 Chondrite, West of Allan Nunatak on the edge of the Polar plateau, Victoria Land, Antarctica (76°42'26"S, 159°07'43"E), find 1977 January 20 (U.S.–Japan Joint Antarctic Expedition), 407 kg;
      3. Anonymous gift 2009 November 30;
      4. Range of fragment sizes scale 2–4 (Wentworth size class=medium to very fine sand), largest fragment 0.2 x 0.2 x 0.15 cm;
      5. 0.041 g;
      6. Irregular forms;
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