Meteoritical Bulletin: Entry for Sierra Gorda 045

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Sierra Gorda 045

Basic information

Name: Sierra Gorda 045
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2018
Country: Chile
Mass: 432 g

Classification
history:

Meteoritical Bulletin:	MB 109	(2020)	L4
Recommended:			L4 [explanation]

This is 1 of 2062 approved meteorites (plus 5 unapproved names) classified as L4. [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 2 Nov 2020

Writeup

Writeup from MB 109:

Sierra Gorda 045 22°30.15’S, 69°9.27’W

Antofagasta, Chile

Find: 2018 Oct 24

Classification: Ordinary chondrite (L4)

Petrography: (J. Gattacceca, CEREGE) Chondrite with packed, well-defined chondrules. Opaque are metal and sulfides.

Geochemistry: Olivine Fa_23.9±0.5, Fa PMD = 1.7 %. Low-Ca pyroxene Fs_15.4±6.1Wo_0.9±0.3(n=8). Ca-pyroxene Fs_12.5Wo_30.4(n=1).

Classification: Ordinary chondrite (L4).

Data from:
  MB109
  Table 0
  Line 0:

State/Prov/County:	Antofagasta
Date:	2018 Oct 24
Latitude:	22°30.15'S
Longitude:	69°9.27'W
Mass (g):	432
Pieces:	13
Class:	L4
Weathering grade:	W1
Fayalite (mol%):	23.9±0.5 (n=10)
Ferrosilite (mol%):	15.4±6.1 (n=8)
Wollastonite (mol%):	0.9±0.3
Magnetic suscept.:	4.60
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	22.9
Type spec location:	CEREGE
Main mass:	Mr. Evgeny Tsys, Mrs. Ksenia Rybka
Finder:	Mr. Evgeny Tsys, Mrs. Ksenia Rybka
Comments:	work name KY33; 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 Meteoritical Bulletin, no. 109, in preparation (2020)

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Geography:

Chile

Coordinates:
Recommended::	(22° 30' 9"S, 69° 9' 16"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:

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