Meteoritical Bulletin: Entry for Sierra Gorda 049

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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: 21 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	L3
Recommended:			L3 [explanation]

This is 1 of 848 approved meteorites (plus 2 unapproved names) 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

Writeup

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 Fa_23.5±4.2, range Fa_16.7-28.1, Fa PMD 16%, Cr₂O₃ 0.09±0.09 (n=5). Low-Ca pyroxene Fs_12.5±6.4Wo_0.5±0.2, range Fs_6.1-23.0(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 10 Jun 2023)

Catalogs:

References:

Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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Geography:

Chile

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

Statistics:
This is 1 of 3440 approved meteorites from Antofagasta, Chile (plus 12 unapproved names) (plus 1 impact crater)
This is 1 of 3469 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater)

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Revision
history:

This lists important revisions made to data for this record.

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