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Catalina 001
Basic information Name: Catalina 001
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2009
Country: Chile
Mass:help 4.68 kg
Recommended:  L3    [explanation]

This is 1 of 593 approved meteorites classified as L3.   [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 21 May 2016
Writeup from MB 105:

Catalina 001        25°6.000’S, 69°45.500’W

Antofagasta, Chile

Find: Dec 2009

Classification: Ordinary chondrite (L3)

History: E. Christensen and M. Warner found eight similar looking stones within a restricted area on a deflated gravel plain in the Antofagasta region of Chile.

Physical characteristics: The largest stone (842 g) is ~30% fusion crusted and exhibits well-developed regmaglypts. None of the other stones preserve fusion crust. The sawn surfaces of each stone look identical showing a sea of chondrules supported by abundant dark matrix, with only minor patches of iron staining. Magnetic susceptibility varies from log χ (× 10-9 m3/kg) = 4.78 to 4.82 (n=8).

Petrography: (L. Garvie, ASU) Five thin sections from five stones were examined. The sections are all similar and show an abundance of chondrules and chondrules fragments supported by dark matrix. Sharply defined chondrules from 0.1 to 2 mm, with a few to 6 mm. Matrix contains an abundance of sulfide and metal, which is occasionally concentrated at chondrules rims. In ultrathin sections the matrix is green in plane-polarized light and largely isotropic under crossed polars. Glass is common in chondrules ranging from clear (and isotropic) to partly devitrified.

Geochemistry: (L. Garvie, ASU) Microprobe analyses show olivine and pyroxene of variable compositions. Olivine, Fa0.92-40.91. Cr2O3 in olivine shows a maximum at 0.05 wt%, with a range of values to 0.4 wt%. Pyroxene Fs2.32-34.29Wo0.16-16.6. Oxygen isotopes: (R. Tanaka and D. Rumble, OkaU), (mean of two replicates: δ17O=3.655; δ18O=5.151; Δ17O=0.941 per mil).

Classification: The oxygen isotopes are consistent with the L ordinary chondrite group and the probe data with petrologic type 3.4.

Specimens: ASU holds 115.97 g (in six pieces) and five thin sections.

Data from:
  Table 0
  Line 0:
Date:Dec 2009
Mass (g):4683
Shock stage:S1
Weathering grade:W0/1
Fayalite (mol%):20.07 (0.92-40.91, n=26)
Ferrosilite (mol%):2.32-34.29
Wollastonite (mol%):0.16-16.6
Magnetic suscept.:4.78±0.02
Classifier:L. Garvie, ASU
Type spec mass (g):115.97
Type spec location:ASU
Main mass:ASU
Finder:E Christensen and M. Warner
Comments:Submitted by Laurence Garvie
Plots: O isotopes:  
   and collections
ASU: Center for Meteorite Studies, Arizona State University, Tempe, Arizona 85287-1404, United States; Website (institutional address; updated 14 Jan 2012)
OkaU: Institute for Study of the Earth's Interior, Okayama University, Misasa Tottori 682-0193, Japan (institutional address)
References: Published in Meteoritical Bulletin, no. 105, in preparation (2016)
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Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Michael Warner   

     Recommended::   (25° 6' 0"S, 69° 45' 30"W)

     This is 1 of 1010 approved meteorites from Antofagasta, Chile (plus 1 impact crater)
     This is 1 of 1035 approved meteorites from Chile (plus 9 unapproved names) (plus 1 impact crater)
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