Meteoritical Bulletin: Entry for El Médano 297

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El Médano 297

Basic information

Name: El Médano 297
This is an OFFICIAL meteorite name.
Abbreviation: EM 297
Observed fall: No
Year found: 2013
Country: Chile
Mass: 3.8 g

Classification
history:

Meteoritical Bulletin:	MB 105	(2016)	LL7
Recommended:			LL7 [explanation]

This is 1 of 100 approved meteorites classified as LL7. [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)

Comments:

Approved 3 Feb 2016

Writeup

Writeup from MB 105:

El Médano 297 ~24°51’S, ~70°32’W

Antofagasta, Chile

Find: 2013 Nov 10

Classification: Ordinary chondrite (LL7)

Petrography: Triple junctions. Rare relic chondrules.

Geochemistry: Plagioclase An_10.6Ab_84.4Or_5.0

Classification: LL7. Type 7 based on texture and Wo content of orthopyroxene. Probably paired with El Medano 298 and 299.

Data from:
  MB105
  Table 0
  Line 0:

State/Prov/County:	Antofagasta
Origin or pseudonym:	deflation surface
Date:	2013 Nov 10
Latitude:	~24°51'S
Longitude:	~70°32'W
Mass (g):	3.8
Pieces:	1
Class:	LL7
Fayalite (mol%):	32.7±0.4 (N=2)
Ferrosilite (mol%):	26.4±0.0 (N=3)
Wollastonite (mol%):	2.3±0.2
Magnetic suscept.:	3.93
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	2
Type spec location:	CEREGE
Main mass:	CEREGE
Finder:	Millarca Valenzuela
Comments:	Submitted by J. 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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full

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Geography:

Chile

Coordinates:
Recommended::	(24° 51'S, 70° 32'W)

Statistics:
This is 1 of 3442 approved meteorites from Antofagasta, Chile (plus 12 unapproved names) (plus 1 impact crater)
This is 1 of 3471 approved meteorites from Chile (plus 13 unapproved names) (plus 1 impact crater)

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Revision
history:

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