Erg Chech 002

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Erg Chech 002
Erg Chech 002 -- 1,857g End Cut Faces (50866953082).jpg
Erg Chech 002 End Cut Faces
Type Ungrouped achondrite [1]
Shock stage Low
Weathering grade Low
Country Algeria
Coordinates 26°01′55″N1°36′40″W / 26.032°N 1.611°W / 26.032; -1.611 [1]
Observed fall No
Found dateMay 2020 [1]
TKW 31.78 [1]
Alternative namesEC 002
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Erg Chech 002 (EC 002) is an ancient andesite meteorite discovered in the Erg Chech region of the Sahara Desert in Algeria. It is believed to be a fragment of a chondritic protoplanet that is over 4.566 billion years old, and is believed to be the oldest known volcanic rock on Earth. [2] [3] [4] It is held at the Maine Mineral and Gem Museum. [5]

References

  1. 1 2 3 4 "Erg Chech 002". The Meteoritical Society. Retrieved 17 March 2021.
  2. ↑ Barrat, Jean-Alix; Chaussidon, Marc; Yamaguchi, Akira; Beck, Pierre; Villeneuve, Johan; Byrne, David J.; Broadley, Michael W.; Marty, Bernard (2021-03-16). "A 4,566-My-old andesite from an extinct chondritic protoplanet". Proceedings of the National Academy of Sciences. 118 (11) e2026129118. arXiv: 2105.01911 . Bibcode:2021PNAS..11820261B. doi: 10.1073/pnas.2026129118 . ISSN   0027-8424. PMC   7980472 . PMID   33836612.
  3. ↑ Beltran, Isabella (2021-03-08). "Erg Chech 002: 4.6 Billion Year Old Meteorite Shed Light on the Evolution of the Solar System". Science Times. Retrieved 2021-03-16.
  4. ↑ Crane, Leah (8 March 2021). "4.6-billion-year-old meteorite is the oldest volcanic rock ever found". New Scientist.
  5. ↑ Weisberger, Mindy (2021-03-08). "4.6-billion-year-old meteorite belongs to Earth's long-lost baby cousin". livescience.com. Retrieved 2023-08-24.


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