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| Calama 174 | |||||||||||||||||||||||||||||||||||||
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| Basic information | Name: Calama 174 This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: No Year found: 2021 Country: Chile Mass:  560 g | ||||||||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 2930 approved meteorites (plus 2 unapproved names) classified as LL6. [show all] Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||||||||
| Comments: | Approved 6 Oct 2021 | ||||||||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 110:
Calama 174 22°10.78’S, 68°37.15’W Antofagasta, Chile Find: 23 Mar 2021 Classification: Ordinary chondrite (LL6) Petrography: (C. Lorenz, Vernad) The meteorite has brecciated texture composed by clasts (40 vol.%) and matrix (60 vol.%). The contacts of clasts and matrix are well defined. The clasts comprise coarse-grained (grain size up to 1 mm), intensively recrystallized chondritic rock with single large recrystallized chondrule relics. Olivine, pyroxene and feldspar are main phases, Fe,Ni metal, troilite, chromite and Ca-phosphate are accessories. Feldspar grains are up to 300 µm in size. The matrix is fine-grained (grain size 50-100 µm) equigranular recrystallized rock. Iron hydroxides are widely distributed on the grain contacts and fill the fractures in the meteorite. | ||||||||||||||||||||||||||||||||||||
| Data from: MB110 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 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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