1. Meteorite Time Sequence
  2. Meteorite Time Sequence

  3. Parent body crystallizes – 4.5 · 109 years.

  4. Carbonate globules form – 3.6 · 109 years.

  5. Mars impact launches sample – 15 · 106 years.

  6. Arrives on Earth – 13 · 103 years.

  7. Meteorite located in Antarctica – 1984.

  8. Martian origin determined – 1993.

  9. UNM study shows no sulfur present.

  10. NASA results – August 1996.

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