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    • Rock and noble gas chemistry and mineralogy

      • Scientists determine whether they are true Martian meteorites based on their rock and noble gas chemistry and mineralogy. The gases trapped in these meteorites bear the unique fingerprint of the Martian atmosphere, as recorded by NASA’s Viking mission in 1976.
      science.nasa.gov › resource › cleaning-a-martian-meteorite

      Cleaning a Martian Meteorite - NASA Science

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  3. geology.com › meteorites › meteorite-identificationMeteorite Identification: Have you found a space rock?

    If a suspected meteorite looks like a sponge, with lots of tiny holes, it is probably volcanic rock or slag of earthly origin. Meteorite Identification: The Magnet Test. Meteorites are divided into three basic groups: irons, stones, and stony-irons.

  4. en.wikipedia.org › wiki › Martian_meteoriteMartian meteorite - Wikipedia

    A Martian meteorite is a rock that formed on Mars, was ejected from the planet by an impact event, and traversed interplanetary space before landing on Earth as a meteorite. As of September 2020 [update] , 277 meteorites had been classified as Martian, less than half a percent of the 72,000 meteorites that have been classified. [1]

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  6. askanearthspacescientist.asu.edu › identifyingIdentifying meteorites | Ask An Earth and Space Scientist

    Martian meteorite image by Jon Taylor. You’ve found a dark rock that looks different from all the others nearby. You press on it; you smell it; you look closely at it. It is definitely… a rock. But could it be a meteorite? How can you tell? Here are three points to get you started on identifying meteorites.

  7. www.usgs.gov › faqs › i-think-i-found-a-meteoriteI think I found a meteorite. How can I tell for sure?

    The USGS doesn't verify meteorites, but they have several properties that help distinguish them from other rocks: Density: Meteorites are usually quite heavy for their size, since they contain metallic iron and dense minerals. Magnetic: Since most meteorites contain metallic iron, a magnet will often stick to them.

  8. curator.jsc.nasa.gov › antmet › mmcMartian Meteorite Compendium - NASA

    Jul 12, 2022 · In particular, Clayton and Mayeda (1996), have shown that the Martian meteorites are distinguished by their unique oxygen isotopes, which follow a fractionation line distinct from that of the Earth and Moon or other classes of meteorites (figure 3).

    • How do you identify a Martian meteorite?1
    • How do you identify a Martian meteorite?2
    • How do you identify a Martian meteorite?3
    • How do you identify a Martian meteorite?4
    • How do you identify a Martian meteorite?5

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    • Meteorite Identification How To Identify Meteorites In 7 Steps - MOMCUTE
    • Identifying meteorites | Ask An Earth and Space Scientist
    • Photo Gallery: Images of Martian Meteorites | Live Science
    • Meteorite Identification How To Identify Meteorites In 7 Steps - MOMCUTE

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  10. science.nasa.gov › close-up-of-a-mars-meteoriteClose-up of a Mars Meteorite - NASA Science

    Feb 13, 2018 · Mars... Close-up of a Mars Meteorite. February 13, 2018. Close-up of a slice of a meteorite scientists have determined came from Mars. This slice will likely be used here on Earth for testing a laser instrument for NASA's Mars 2020 rover; a separate slice will go to Mars on the rover.

  11. curator.jsc.nasa.gov › antmet › mmcMartian Meteorite Compendium - NASA

    Jul 12, 2022 · The meteorites labeled "E" (enriched) all cluster around 3 m.y. Figure 1: Crude histogram summarizing what has been learned from cosmic ray exposure ages for Martian basalts. N = nakhlite, C = chassignite, D = depleted, E = "enriched" and I = intermediate. The samples labeled "D" (depleted) are all about 0.6 — 1 m.y.

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