Meteoritical Bulletin: Entry for Calama 217

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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: 93 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	L3
Recommended:			L3 [explanation]

This is 1 of 848 approved meteorites (plus 2 unapproved names) 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

Writeup

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 Fs_12.0Wo_0.9±0.5, range Fs_2.1-21.0(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, [email protected]
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 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° 29' 3"S, 68° 48' 12"W)

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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Revision
history:

This lists important revisions made to data for this record.

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