Mackinac Island meteorite

Coordinates: 02°07′02″S 05°31′22.43″W / 2.11722°S 5.5228972°W / -2.11722; -5.5228972
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Mackinac Island meteorite
TypeIron
Parent bodyUnknown
CompositionNickel, iron, Kamacite, taenite[1][2]
Weathering gradeLarge-scale, cavernous weathering[2]
CountryMars
RegionMeridiani Planum
Coordinates02°07′02″S 05°31′22.43″W / 2.11722°S 5.5228972°W / -2.11722; -5.5228972[3]
Observed fallNo
Fall datePossibly late Noation
Found date2009-10-13[4]
Strewn fieldPossibly[5]
Related media on Wikimedia Commons

Mackinac Island meteorite was found on Mars by the Opportunity rover on October 13, 2009.

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]

See also

References

  1. ^ Nemiroff, R.; Bonnell, J., eds. (August 13, 2009). "Block Island Meteorite on Mars". Astronomy Picture of the Day. NASA. Retrieved January 5, 2013.
  2. ^ a b c d Ashley, J. W.; et al. (July 2011). "Evidence for mechanical and chemical alteration of iron-nickel meteorites on Mars: Process insights for Meridiani Planum". Journal of Geophysical Research: Planets. 116 (E7). Bibcode:2011JGRE..116.0F20A. doi:10.1029/2010JE003672. Retrieved January 5, 2013.
  3. ^ Google Mars
  4. ^ ATKINSON, NANCY (October 18, 2009). "Opportunity Discovers Still Another Meteorite! Find It on Google Mars". Universe Today. Space.com. Retrieved January 5, 2013.
  5. ^ a b Beech, Martin; Ian M. Coulson (2010). "The making of Martian meteorite Block Island" (PDF). Monthly Notices of the Royal Astronomical Society. 404. Bibcode:2010MNRAS.404.1457B. doi:10.1111/j.1365-2966.2010.16350.x. Archived from the original (PDF) on June 20, 2013. Retrieved January 5, 2013. {{cite journal}}: Unknown parameter |deadurl= ignored (|url-status= suggested) (help)
Notable rocks on Mars
Adirondack
(Spirit) 		Barnacle Bill
(Sojourner) 		Bathurst Inlet
(Curiosity) 		Big Joe
(Viking) 		Block Island
(Opportunity) M 		Bounce
(Opportunity) 		Coronation
(Curiosity) 		El Capitan
(Opportunity)
Esperance
(Opportunity) 		Goulburn
(Curiosity) 		Heat Shield
(Opportunity) M 		Home Plate
(Spirit) 		Hottah
(Curiosity) 		Jake Matijevic
(Curiosity) 		Last Chance
(Opportunity) 		Link
(Curiosity)
Mackinac Island
(Opportunity) M 		Mimi
(Spirit) 		Oileán Ruaidh
(Opportunity) M 		Pot of Gold
(Spirit) 		Rocknest 3
(Curiosity) 		Shelter Island
(Opportunity) M 		Tintina
(Curiosity) 		Yogi
(Sojourner)
The table above contains clickable links M = Meteorite - (
This box:
)
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