Astronomy:Erg Chech 002
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Short description: Ancient meteorite discovered in the Erg Chech region of Algeria
| Erg Chech 002 | |
|---|---|
.jpg) Erg Chech 002 End Cut Faces | |
| Type | Ungrouped achondrite[1] |
| Shock stage | Low |
| Weathering grade | Low |
| Country | Algeria |
| Coordinates | [ ⚑ ] : 26°01′55″N 1°36′40″W / 26.032°N 1.611°W[1] |
| Observed fall | No |
| Found date | May 2020[1] |
| TKW | 31.78[1] |
| Alternative names | EC 002 |
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
- ↑ 1.0 1.1 1.2 1.3 "Erg Chech 002". https://www.lpi.usra.edu/meteor/metbull.php?code=72475.
- ↑ 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" (in en). Proceedings of the National Academy of Sciences 118 (11): e2026129118. doi:10.1073/pnas.2026129118. ISSN 0027-8424. PMID 33836612. Bibcode: 2021PNAS..11820261B.
- ↑ Beltran, Isabella (2021-03-08). "Erg Chech 002: 4.6 Billion Year Old Meteorite Shed Light on the Evolution of the Solar System" (in en). https://www.sciencetimes.com/articles/30060/20210308/erg-chech-002-4-6-billion-year-old-meteorite-shed.htm.
- ↑ Crane, Leah (8 March 2021). "4.6-billion-year-old meteorite is the oldest volcanic rock ever found". https://www.newscientist.com/article/2270314-4-6-billion-year-old-meteorite-is-the-oldest-volcanic-rock-ever-found/.
- ↑ Weisberger, Mindy (2021-03-08). "4.6-billion-year-old meteorite belongs to Earth's long-lost baby cousin" (in en). https://www.livescience.com/meteorite-asteroid-early-solar-system.html.
External links
- Erg Chech 002 at the Meteoritical Bulletin Database
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