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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:help 18 g
Classification
  history:
Recommended:  CK6    [explanation]

This is 1 of 57 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
Writeuphelp
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 Fa33.2±0.4, NiO 0.48±0.06 wt% (N=4). Ca-pyroxene Fs12.7±0.0Wo47±0.2 (N=2). Plagioclase An31.9Ab64.1Or4.0 (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, in preparation (2018)
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Geography:

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

Statistics:
     This is 1 of 1429 approved meteorites from Antofagasta, Chile (plus 5 unapproved names) (plus 1 impact crater)
     This is 1 of 1456 approved meteorites from Chile (plus 11 unapproved names) (plus 1 impact crater)
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