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San Juan 090
Basic information Name: San Juan 090
     This is an OFFICIAL meteorite name.
Abbreviation: SJ 090
Observed fall: No
Year found: 2015
Country: Chile
Mass:help 2.54 kg
Classification
  history:
Recommended:  Iron, IIE    [explanation]

This is 1 of 16 approved meteorites classified as Iron, IIE.   [show all]
Search for other: IIE irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 21 Nov 2019
Writeuphelp
Writeup from MB 108:

San Juan 090 (SJ 090)        25°34.545’ S, 069°43.892’ W

Antofagasta, Chile

Find: 03-Feb-15

Classification: Iron meteorite (IIE)

Physical characteristics: A single mass partly sand-blasted. Sawn surface shows unweathered metallic interior with dark mm-sized inclusions.

Petrography: Etched section show a polycrystalline texture composed of 0.1 to 3 mm grains of kamacite often showing Neumann bands, troilite, schreibersite, silicate (0.2-1 mm) inclussions and plessitic fields. The silicates include olivine (Fa17-20) and pyroxene (Fs16-19).

Geochemistry: ICP-OES data (UPC): Ni=79.0, Co=4.6, P=1.3, S=3.2 (all mg/g); ICP-MS data: Cu=155, Cr=1.1, Ge=41.2, Ga=26.9, Pt=9.8, Os=4.4, Ru=5.2, Ir=5.3, Au=0.8 (all µg/g)

Classification: Iron, IIE

Data from:
  MB108
  Table 0
  Line 0:
State/Prov/County:Antofagasta
Date:03-Feb-15
Latitude:25°34.545' S
Longitude:069°43.892' W
Mass (g):2540
Pieces:1
Class:Iron, IIE
Weathering grade:minimal
Classifier:J. Llorca, UPC
Type spec mass (g):25
Type spec location:UPC
Main mass:Emma Ardanaz
Finder:Emma Ardanaz-Ion Ander Lanza
Comments:Field name: Met-2015-028; submitted by David Allepuz
Institutions
   and collections
UPC: Institut de Tècniques Energètiques, Universitat Politècnica de Catalunya Diagonal 647, ed. ETSEIB, 08028 Barcelona, Spain, Spain (institutional address; updated 3 May 2015)
Catalogs:
References: Published in Meteoritical Bulletin, no. 108, in preparation (2019)
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
David Allepuz   
Public domain photographs:
David Allepuz   
Geography:

Chile
Coordinates:
     Recommended::   (25° 34' 33"S, 69° 43' 54"W)

Statistics:
     This is 1 of 1543 approved meteorites from Antofagasta, Chile (plus 4 unapproved names) (plus 1 impact crater)
     This is 1 of 1570 approved meteorites from Chile (plus 10 unapproved names) (plus 1 impact crater)
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