Mackinac Island meteorite explained

Mackinac Island meteorite
Type:Iron
Parent Body:Unknown
Composition:Nickel, iron, Kamacite, taenite[1]
Weathering:Large-scale, cavernous weathering
Country:Mars
Region:Meridiani Planum
Lat Long:-2.1172°N -5.5229°W[2]
Observed Fall:No
Fall Date:Possibly late Noachian
Found Date:2009-10-13[3]
Strewn Field:Possibly

Mackinac Island meteorite is a meteorite that 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.[4]

Mackinac Island may have fallen on Mars in the late Noachian period and is extensively weathered.[5]

See also

Notes and References

  1. Block Island Meteorite on Mars. January 5, 2013. August 13, 2009.
  2. Google Mars
  3. Web site: ATKINSON. NANCY. Opportunity Discovers Still Another Meteorite! Find It on Google Mars . Universe Today. Space.com. January 5, 2013. October 18, 2009.
  4. Ashley. J. W.. etal. Evidence for mechanical and chemical alteration of iron-nickel meteorites on Mars: Process insights for Meridiani Planum. Journal of Geophysical Research: Planets. July 2011. 116. E7. E00F20. 10.1029/2010JE003672. 2011JGRE..116.0F20A. 1893/17110. free.
  5. Beech. Martin. Ian M. Coulson. The making of Martian meteorite Block Island. Monthly Notices of the Royal Astronomical Society. 2010. 404. 3. 1457. 10.1111/j.1365-2966.2010.16350.x. 2010MNRAS.404.1457B. free.