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| Calama 192 | |||||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Calama 192 This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2019 Country: Chile Mass:  99 g | ||||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 6825 approved meteorites (plus 6 unapproved names) classified as H6. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||||||||
| Comments: | Approved 31 Oct 2021 | ||||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 110:
Calama 192 22°29.593’S, 68°52.524’W Antofagasta, Chile Find: 20 Oct 2019 Classification: Ordinary chondrite (H6) History: The meteorite (1 piece) was found in autumn 2019 by Atali Agakhanov during a meteorite searching expedition organized by Timur Kryachko. Physical characteristics: Total mass is about 99 g. The interior and surface are brown to dark brown. Petrography: (K.A. Konovalova, FMMR). Petrographic observation of a polished section shows that meteorite consist of coarse grain matrix with rare chondrules. The chondrules predominantlty nonporphyritic and a minor are fragments of porphyritic chondrules. Plagioclase grains up to 100-120 µm (petrological type 6). Metal and troilite are oxidized (weathearing grade W2). Geochemistry: Mineral composition and Geochemistry: EDS analyses (A. Agakhanov, K. Konovalova, FMMR). Olivine 19.59±0.36 (N=24), Low-Ca pyroxene Fs17.5±0.8Wo1.45±0.27 (N=17), high-Ca pyroxene Fs12.2±0.7Wo46.46±0.81 (N=5), plagioclase Ab79.2An15.0Or5.8 (N=8). Composition of kamacite (in wt. %, n = 5): Fe - 93.99, Ni - 6.38, Co - 0.84, chromite Crt72.47Spl8.41 (N=2) Classification: (Kseniya A. Konovalova, FMMR). Ordinary chondrite. H6, S1, W2. Specimens: Atali Agakhanov holds main mass. 23.12 g and thin section - FMMR | ||||||||||||||||||||||||||||||||||||||
| Data from: MB110 Table 0 Line 0: |
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| Institutions and collections |
FMMR: Fersman Mineralogical Museum, Leninskiy prospekt 18 korpus 2, Moscow, Russia, 119071, Russia; Website (institutional address; updated 24 Feb 2018) |
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| Catalogs: |
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| References: | Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography:
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Statistics: This is 1 of 3440 approved meteorites from Antofagasta, Chile (plus 12 unapproved names) (plus 1 impact crater) This is 1 of 3469 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||||||||||
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| Also see: |
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| Revision history: |
This lists important revisions made to data for this record.
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