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Libaros
Basic information Name: Libaros
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2002
Country: Argentina
Mass:help 6 kg
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  H5
Recommended:  H5    [explanation]

This is 1 of 10071 approved meteorites (plus 18 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 29 Sep 2013
Writeuphelp
Writeup from MB 102:

Libaros        32°14’42"S, 59°00’11"W

Entre Rios, Argentina

Found: 28 May 2002

Classification: Ordinary chondrite (H5)

History: A single mass was plowed up by a farmer.

Physical characteristics: A collection of ~12 heavily weathered fragments.

Petrography: Chondrules distinct (dominantly porphyritic but also barred olivine, cryptocrystalline and radial pyroxene textures), up to 1 mm, often fractured, many truncated such that they appear to belong to breccia clasts, although boundaries are not well defined. Olivine shows only minor undulatory extinction and rare planar fractures, indicating weak shock deformation. Matrix is dark with moderate to heavy oxidation.

Specimens: 20.9 g type specimen, including polished thin section, are on deposit at SI.

Data from:
  MB102
  Table 0
  Line 0:
State/Prov/County:Entre Rios
Date:28 May 2002
Latitude:32°14'42"S
Longitude:59°00'11"W
Mass (g):6000
Pieces:1
Class:H5
Shock stage:S2
Weathering grade:W4
Fayalite (mol%):18.8±0.4 (n=13)
Ferrosilite (mol%):16.4 ± 0.2 (n=7)
Wollastonite (mol%):0.92± 0.27 (n=7)
Classifier:L. Welzenbach, SI
Type spec mass (g):20.9
Type spec location:SI
Main mass:finder
Finder:Anonymous
Comments:Submitted by L. Welzenbach
Institutions
   and collections
SI: Department of Mineral Sciences, NHB-119, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, United States; Website (institutional address; updated 16 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography:

Argentina
Coordinates:
     Recommended::   (32° 14' 42"S, 59° 0' 11"W)

Statistics:
     This is 1 of 9 approved meteorites from Entre Rios, Argentina
     This is 1 of 80 approved meteorites from Argentina (plus 9 unapproved names) (plus 2 impact craters)
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