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Calama 217
Basic information Name: Calama 217
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2019
Country: Chile
Mass:help 93 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 763 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 217        22°29.05’S, 68°48.20’W

Antofagasta, Chile

Find: 20 Oct 2019

Classification: Ordinary chondrite (L3)

Petrography: The meteorite is a monomict breccia composed of well-defined chondrules up to 2 mm in diameter, chondrule fragments and mineral grains set in 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 Fa 20.8±4.9 (N=23); PMD Fa=18.5%; pyroxene Fs12.0Wo0.9±0.5, range Fs2.1-21.0 (N=22).

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Date:20 Oct 2019
Latitude:22°29.05'S
Longitude:68°48.20'W
Mass (g):93
Pieces:2
Class:L3
Shock stage:S2
Weathering grade:W2
Fayalite (mol%):20.8±4.9 (N=23)
Ferrosilite (mol%):12.0 (2.1-21.0, N=22)
Wollastonite (mol%):0.9±0.5 (N=22)
Classifier:Lorenz C. A., Vernad
Type spec mass (g):18.9
Type spec location:Vernad
Main mass:Mr. T. Kryachko, bredfild@mail.ru
Finder:Mr. T. Kryachko
Comments:Field name is 6-28; 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 Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography:

Chile
Coordinates:
     Recommended::   (22° 29' 3"S, 68° 48' 12"W)

Statistics:
     This is 1 of 2160 approved meteorites from Antofagasta, Chile (plus 6 unapproved names) (plus 1 impact crater)
     This is 1 of 2189 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater)
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