Erg Chech 002

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Erg Chech 002
TypeUngrouped achondrite[1]
Shock stageLow
Weathering gradeLow
CountryAlgeria
Coordinates26°01′55″N 1°36′40″W / 26.032°N 1.611°W / 26.032; -1.611Coordinates: 26°01′55″N 1°36′40″W / 26.032°N 1.611°W / 26.032; -1.611[1]
Observed fallNo
Found dateMay 2020[1]
TKW31.78[1]
Alternative namesEC 002
Related media on Wikimedia Commons

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 4.656 billion years old, and is believed to be the oldest known volcanic rock on Earth.[2][3][4]

References[edit]

  1. ^ a b c d "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 4,565-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.{{cite web}}: CS1 maint: url-status (link)

External links[edit]