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Calama 370
Basic information Name: Calama 370
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2022
Country: Chile
Mass:help 10.8 g
Classification
  history:
Meteoritical Bulletin:  MB 112  (2023)  H3
Recommended:  H3    [explanation]

This is 1 of 709 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 7 May 2023
Writeuphelp
Writeup from MB 112:

Calama 370        22°29.10’S, 68°45.05’W

Antofagasta, Chile

Find: 20 Nov 2022

Classification: Ordinary chondrite (H3)

Petrography: The meteorite is composed of well lineated chondrules, chondrule and mineral fragments and fine-grained clastic matrix. The chondrules are of PO, POP, BO, BP, GO and minor RP and CC types. Chondrule mesostasis contains isotropic glass. Olivine has sharp optical extinction.

Geochemistry: Mineral compositions and geochemistry: Olivine Fa17.1±5.8 (N=25); PMD Fa=34%; pyroxene Fs10.3±7.5Wo1.1±1.0 (N=30)

Data from:
  MB112
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Date:20 Nov 2022
Latitude:22°29.10'S
Longitude:68°45.05'W
Mass (g):10.8
Pieces:1
Class:H3
Shock stage:S1
Weathering grade:W2
Fayalite (mol%):17.1±5.8 (N=25)
Ferrosilite (mol%):10.3±7.5 (N=30)
Wollastonite (mol%):1.1±1.0 (N=30)
Classifier:Lorenz C. A., Vernad
Type spec mass (g):3.1
Type spec location:Vernad.
Main mass:Mr. T. Kryachko, [email protected]
Finder:Mr. T. Kryachko
Comments:Field name is 9-48; analyst T. Kryachko (Technograd, Moscow); 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. 112, in preparation (2023)
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Geography:

Chile
Coordinates:
     Recommended::   (22° 29' 6"S, 68° 45' 3"W)

Statistics:
     This is 1 of 3417 approved meteorites from Antofagasta, Chile (plus 12 unapproved names) (plus 1 impact crater)
     This is 1 of 3446 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater)
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Revision
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