Meteoritical Bulletin: Entry for San Juan 085

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San Juan 085

Basic information

Name: San Juan 085
This is an OFFICIAL meteorite name.
Abbreviation: SJ 085
Observed fall: No
Year found: 2017
Country: Chile
Mass: 18 g

Classification
history:

Meteoritical Bulletin:	MB 107	(2018)	CK6
Recommended:			CK6 [explanation]

This is 1 of 80 approved meteorites classified as CK6. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites

Comments:

Approved 26 May 2018

Writeup

Writeup from MB 107:

San Juan 085 (SJ 085) 25°22’29.4"S, 69°48’55.3"W

Antofagasta, Chile

Find: 2017 Nov

Classification: Carbonaceous chondrite (CK6)

Physical characteristics: Dark stone. Cut surface reveals an homogeneous dark-gray interior.

Petrography: (J. Gattacceca, CEREGE) Recrystallized chondrite with poorly defined large chondrules. Silicates are olivine, Ca-pyroxene, and plagioclase (average size >50 μm). No orthopyroxene was observed. Abundant sulfides (including pentlandite) and magnetite. No metal was observed.

Geochemistry: Olivine Fa_33.2±0.4, NiO 0.48±0.06 wt% (N=4). Ca-pyroxene Fs_12.7±0.0Wo_47±0.2(N=2). Plagioclase An_31.9Ab_64.1Or_4.0(N=1). Magnetite contains 3.7 wt% Cr₂O₃.

Classification: Carbonaceous chondrite (CK6)

Specimens: Type specimen at CEREGE. Main mass with ARTMET.

Data from:
  MB107
  Table 0
  Line 0:

State/Prov/County:	Antofagasta
Origin or pseudonym:	deflation surface
Date:	2017 Nov
Latitude:	25°22'29.4"S
Longitude:	69°48'55.3"W
Mass (g):	18
Pieces:	1
Class:	CK6
Weathering grade:	minimal
Fayalite (mol%):	33.2±0.4 (N=4)
Magnetic suscept.:	4.45
Classifier:	J. Gattacceca, CEREGE
Type spec mass (g):	3.7
Type spec location:	CEREGE
Main mass:	ArtMet collection, Poland
Finder:	anonymous
Comments:	work name LM68 / D55; 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)
ARTMET: Meteorites and Art, Poland (private address; updated 23 Feb 2018)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462

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Geography:

Chile

Coordinates:
Recommended::	(25° 22' 29"S, 69° 48' 55"W)

Statistics:
This is 1 of 2687 approved meteorites from Antofagasta, Chile (plus 9 unapproved names) (plus 1 impact crater)
This is 1 of 2716 approved meteorites from Chile (plus 15 unapproved names) (plus 1 impact crater)

Proximity search:

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