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Calama 337 | |||||||||||||||||||||||||||||||||||||
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Basic information | Name: Calama 337 This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2022 Country: Chile Mass: ![]() | ||||||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 802 approved meteorites (plus 1 unapproved name) classified as L3. [show all] Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||||||||
Comments: | Approved 4 Mar 2023 | ||||||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 112:
Calama 337 22°29.19’S, 68°44.32’W Antofagasta, Chile Find: 15 Nov 2022 Classification: Ordinary chondrite (L3) Petrography: The meteorite has chondritic structure and is composed of distinct chondrules of BO, BOP, RP, PO, POP, GO and CC types joined together by fine-grained silicate matrix. Average chondrule diameter is 644±422 µm (N=115). The chondrule mesostasis is isotropic glass. The Fe,Ni metal (1.2 vol. %) and troilite form irregular aggregates or isolated grains of 300-500 µm in size. Troilite forms the rims around the some chondrules and metal grains as well. Olivine has weak undulatory extinction and irregular fracturing. Minor Fe,Ni hydroxide fills the thin fractures. | ||||||||||||||||||||||||||||||||||||
Data from: MB112 Table 0 Line 0: |
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Institutions and collections |
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 112, in preparation (2023)
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Geography:![]() |
Statistics: This is 1 of 2503 approved meteorites from Antofagasta, Chile (plus 10 unapproved names) (plus 1 impact crater) This is 1 of 2532 approved meteorites from Chile (plus 16 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||||||||
Proximity search: |