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:

Recommended:

L3 [explanation]

This is 1 of 789 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

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 29 Oct 2018)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 110, in preparation (2021)

Find references in NASA ADS:
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Geography:

Chile

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

Proximity search:

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