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Acfer 402 | |||||||||||||||||||||||||||||||||||||||||
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Basic information | Name: Acfer 402 This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2019 Country: Algeria Mass: 620 g | ||||||||||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 467 approved meteorites (plus 2 unapproved names) classified as CV3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||||||||||||||
Comments: | Approved 1 Nov 2020 | ||||||||||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 109:
Acfer 402 27°30’42.7"N, 3°56’54.7"E Tamanghasset, Algeria Find: 2019 Nov Classification: Carbonaceous chondrite (CV3) Petrography: Chondrite with large chondrules (mm-sized), AOAs, and CAIs set in an abundant fine-grained Fe-rich matrix. Main silicates include olivine, low-Ca, and Ca-pyroxene. Opaque areas are basically made of terrestrial alteration products. Geochemistry: Most olivine in chondrules and AOAs is Fo-rich. The average composition of these olivines is Fa4.2±4.8 (range: Fa0-22; N=24). Low-Ca pyroxene is Fs2.0±1.0 (range Fs1-5; n=10). Classification: Carbonaceous chondrite (CV3) | ||||||||||||||||||||||||||||||||||||||||
Data from: MB109 Table 0 Line 0: |
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Institutions and collections |
IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography: |
Statistics: This is 1 of 426 approved meteorites from Tamanghasset, Algeria (plus 2 unapproved names) (plus 2 impact craters) This is 1 of 1344 approved meteorites from Algeria (plus 30 unapproved names) (plus 4 impact craters) | ||||||||||||||||||||||||||||||||||||||||
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Also see: |
This lists the most popular meteorites among people who looked up this meteorite.
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Revision history: |
This lists important revisions made to data for this record.
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