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Calama 218
Basic information Name: Calama 218
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2021
Country: Chile
Mass:help 50 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 795 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 24 Dec 2021
Writeuphelp
Writeup from MB 110:

Calama 218        22°23.31’S, 68°38.29’W

Antofagasta, Chile

Find: 28 Mar 2021

Classification: Ordinary chondrite (L3)

Petrography: The meteorite is a monomict breccia composes of well-defined chondrules up to 2 mm in diameter, chondrule fragments and mineral grains settled in more fine grained clastic matrix formed by the same material. The chondrule mesostasis is glassy and partially devitrified; olivine has irregular fractures and weak undulatory extinction.

Geochemistry: Mineral compositions and geochemistry: Olivine Fa24.4±5.3 (N=28); PMD Fa=11.2%; pyroxene Fs13.8Wo1.1±0.6, range Fs1.6-27.3 (N=22).

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Date:28 Mar 2021
Latitude:22°23.31'S
Longitude:68°38.29'W
Mass (g):50
Pieces:1
Class:L3
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):24.4±5.3 (N=28)
Ferrosilite (mol%):13.8 (1.6-27.3, N=22)
Wollastonite (mol%):1.1±0.6 (N=22)
Classifier:Lorenz C. A., Vernad
Type spec mass (g):11.3
Type spec location:Vernad
Main mass:Mr. T. Kryachko, bredfild@mail.ru
Finder:Mr. T. Kryachko
Comments:Field name is 7-58; analyst A. Agakhanov (Fersman Mineralogical Museum), T. Kryachko; submitted by Lorenz C.A., Vernad
Institutions
   and collections
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016)
Catalogs:
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:

Chile
Coordinates:
     Recommended::   (22° 23' 19"S, 68° 38' 17"W)

Statistics:
     This is 1 of 2320 approved meteorites from Antofagasta, Chile (plus 9 unapproved names) (plus 1 impact crater)
     This is 1 of 2349 approved meteorites from Chile (plus 15 unapproved names) (plus 1 impact crater)
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