Meteoritical Bulletin: Entry for Calama 170

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Calama 170

Basic information

Name: Calama 170
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2021
Country: Chile
Mass: 17.5 g

Classification
history:

Recommended:

H3 [explanation]

This is 1 of 694 approved meteorites (plus 2 unapproved names) classified as H3. [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 31 Oct 2021

Writeup

Writeup from MB 110:

Calama 170 22°27.13’S, 68°38.81’W

Antofagasta, Chile

Find: 19 Mar 2021

Classification: Ordinary chondrite (H3)

Petrography: The meteorite is composed of well-delineated chondrules 80–1400 µm in size (average 378 µm). Minor minerals are Fe,Ni metal, troilite and chromite. Olivine in chondrules has sharp extinction.

Geochemistry: Fa PMD 28.5%. Analyst A. Agakhanov, FMMR, and T. Kryachko

Data from:
  MB110
  Table 0
  Line 0:

State/Prov/County:	Antofagasta
Date:	19 Mar 2021
Latitude:	22°27.13'S
Longitude:	68°38.81'W
Mass (g):	17.5
Pieces:	1
Class:	H3
Shock stage:	S1
Weathering grade:	W2
Fayalite (mol%):	17.1±7.5 (N=25)
Ferrosilite (mol%):	9.8±5.7 (N=15)
Wollastonite (mol%):	1.0±0.8 (N=15)
Classifier:	Lorenz C. A., Vernad
Type spec mass (g):	5
Type spec location:	Vernad
Main mass:	Mr. T. Kryachko, [email protected]
Finder:	Mr. T. Kryachko
Comments:	Field name is 7-27; submitted by Lorenz C.A., Vernad

Institutions
and collections

Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016)
FMMR: Fersman Mineralogical Museum, Leninskiy prospekt 18 korpus 2, Moscow, Russia, 119071, Russia; Website (institutional address; updated 24 Feb 2018)

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° 27' 8"S, 68° 38' 49"W)

Statistics:
This is 1 of 2908 approved meteorites from Antofagasta, Chile (plus 10 unapproved names) (plus 1 impact crater)
This is 1 of 2937 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater)

Proximity search:

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