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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:help 17.5 g
Classification
  history:
Recommended:  H3    [explanation]

This is 1 of 663 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
Writeuphelp
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 2272 approved meteorites from Antofagasta, Chile (plus 8 unapproved names) (plus 1 impact crater)
     This is 1 of 2301 approved meteorites from Chile (plus 15 unapproved names) (plus 1 impact crater)
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