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 664 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, bredfild@mail.ru
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 Meteoritical Bulletin, no. 110, in preparation (2021)

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Geography:

Chile

Coordinates:
Recommended::	(22° 27' 8"S, 68° 38' 49"W)

Statistics:
This is 1 of 2304 approved meteorites from Antofagasta, Chile (plus 8 unapproved names) (plus 1 impact crater)
This is 1 of 2333 approved meteorites from Chile (plus 15 unapproved names) (plus 1 impact crater)

Proximity search:

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