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Sierra Gorda 049
Basic information Name: Sierra Gorda 049
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2018
Country: Chile
Mass:help 21 g
Classification
  history:
Recommended:  L3    [explanation]

This is 1 of 718 approved meteorites (plus 1 unapproved name) classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 13 Feb 2021
Writeuphelp
Writeup from MB 110:

Sierra Gorda 049        22°30.18’S, 69°1.98’W

Antofagasta, Chile

Find: 2018 Oct 17

Classification: Ordinary chondrite (L3)

Petrography: (J. Gattacceca, CEREGE) Chondrite with packed well-defined chondrules with average apparent diameter 690±300 µm (n=26). Opaque are metal and sulfides.

Geochemistry: Olivine Fa23.5±4.2, range Fa16.7-28.1, Fa PMD 16%, Cr2O3 0.09±0.09 (n=5). Low-Ca pyroxene Fs12.5±6.4Wo0.5±0.2, range Fs6.1-23.0 (n=6).

Classification: Ordinary chondrite (L3)

Specimens: Type specimen at CEREGE. Main mass with K. Rybka

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Date:2018 Oct 17
Latitude:22°30.18'S
Longitude:69°1.98'W
Mass (g):21
Pieces:1
Class:L3
Weathering grade:W1
Fayalite (mol%):23.5±4.2 (n=5)
Ferrosilite (mol%):12.5±6.4 (n=6)
Wollastonite (mol%):0.5±0.2
Magnetic suscept.:4.67
Classifier:J. Gattacceca, CEREGE
Type spec mass (g):4.2
Type spec location:CEREGE
Main mass:Evgeny Tsys, Ksenia Rybka
Finder:Ksenia Rybka
Comments:work name KY18; submitted by Jérôme Gattacceca
Institutions
   and collections
CEREGE: CEREGE BP 80 Avenue Philibert, Technopole de l'Arbois 13545 Aix-en-Provence Cedex 4 France, France (institutional address; updated 29 Oct 2018)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography:

Chile
Coordinates:
     Recommended::   (22° 30' 11"S, 69° 1' 59"W)

Statistics:
     This is 1 of 1974 approved meteorites from Antofagasta, Chile (plus 5 unapproved names) (plus 1 impact crater)
     This is 1 of 2002 approved meteorites from Chile (plus 11 unapproved names) (plus 1 impact crater)
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