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Calama 048
Basic information Name: Calama 048
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2017
Country: Chile
Mass:help 833 g
Classification
  history:
Recommended:  CO3    [explanation]

This is 1 of 531 approved meteorites classified as CO3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites
Comments: Approved 23 Dec 2019
Writeuphelp
Writeup from MB 108:

Calama 048        22°25.371’S, 068°40.746’W

Antofagasta, Chile

Find: 2017 Feb 23

Classification: Carbonaceous chondrite (CO3)

Physical characteristics: Sawn surface shows a dark interior with many small chondrules. Stone shows little weathering.

Petrography: Thin section shows abundant chondrules (predominantly of type I) and small CAIs set in a fine-grained matrix. The average chondrule apparent size is 160±50 µm (N=60), with a few chondrules up to 1 mm.

Geochemistry: Olivine in the range Fa0.3-52.5 (mean Fa15.9±10.1, N=32). Cr2O3 in ferroan olivine 0.4±0.2 wt.% (N=15). Low-Ca pyroxene in the range Fs1.0-13.6 (mean Fs1.5±0.8Wo1.4±0.7, N=16).

Data from:
  MB108
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Origin or pseudonym:Limestone plain
Date:2017 Feb 23
Latitude:22°25.371'S
Longitude:068°40.746'W
Mass (g):833.0
Pieces:10
Class:CO3
Shock stage:low
Weathering grade:low
Fayalite (mol%):15.9±10.1 (N=32)
Ferrosilite (mol%):1.5±0.8 (N=16)
Wollastonite (mol%):1.4±0.7 (N=16)
Classifier:J. Llorca, UPC
Type spec mass (g):26
Type spec location:UPC
Main mass:José Vicente Casado
Finder:José Vicente Casado - Javier Alvarez
Comments:Field name: Met-2017-040; submitted by David Allepuz
Institutions
   and collections
UPC: Institut de Tècniques Energètiques, Universitat Politècnica de Catalunya Diagonal 647, ed. ETSEIB, 08028 Barcelona, Spain, Spain (institutional address; updated 3 May 2015)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
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Geography:

Chile
Coordinates:
     Recommended::   (22° 25' 22"S, 68° 40' 45"W)

Statistics:
     This is 1 of 1553 approved meteorites from Antofagasta, Chile (plus 4 unapproved names) (plus 1 impact crater)
     This is 1 of 1580 approved meteorites from Chile (plus 10 unapproved names) (plus 1 impact crater)
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