Mackinac Island meteorite
Appearance
Mackinac Island meteorite | |
---|---|
Type | Iron |
Parent body | Unknown |
Composition | Nickel, iron, Kamacite, taenite[1][2] |
Weathering grade | Large-scale, cavernous weathering[2] |
Country | Mars |
Region | Meridiani Planum |
Coordinates | 02°07′02″S 05°31′22.43″W / 2.11722°S 5.5228972°W[3] |
Observed fall | No |
Fall date | Possibly late Noation |
Found date | 2009-10-13[4] |
Strewn field | Possibly[5] |
Related media on Wikimedia Commons |
Mackinac Island meteorite was found on Mars by the Opportunity rover on 2009-10-13.
History
Mackinac Island was the third of three iron meteorites encountered by the rover on Meridiani Planum within a few hundred meters, the others being Shelter Island and Block Island.[2]
Mackinac Island may have fallen on Mars in the late Noachian period and is extensively weathered.[2][5]
Mineralogy
This section is empty. You can help by adding to it. (January 2013) |
Classification
This section is empty. You can help by adding to it. (January 2013) |
See also
- Atmospheric reentry
- Block Island meteorite
- Bounce Rock
- Glossary of meteoritics
- Heat Shield Rock
- List of Martian meteorites
- List of meteorites on Mars
- Oileán Ruaidh meteorite
- Shelter Island meteorite
References
- ^ Nemiroff, Robert (13). "2009 August 13". Astronomy Picture of the Day. NASA. Retrieved 5 January 2013.
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ignored (help) - ^ a b c d Ashley, J. W. (2011). "Evidence for mechanical and chemical alteration of iron-nickel meteorites on Mars: Process insights for Meridiani Planum". Journal of Geophysical Research: Planets (1991–2012). 116 (E7). doi:10.1029/2010JE003672. Retrieved 5 January 2013.
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- ^ ATKINSON, NANCY (18). "Opportunity Discovers Still Another Meteorite! Find It on Google Mars". Universe Today. Space.com. Retrieved 5 January 2013.
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ignored (help) - ^ a b Beech, Martin (2010). "The making of Martian meteorite Block Island" (PDF). Monthly notices of the Royal Astronomical Society. 404. doi:10.1111/j.1365-2966.2010.16350.x. Retrieved 5 January 2013.
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