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Ooldea 001
Basic information Name: Ooldea 001
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2010
Country: Australia
Mass:help 587 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  L6
Recommended:  L6    [explanation]

This is 1 of 12780 approved meteorites (plus 11 unapproved names) classified as L6.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 23 Feb 2012
Writeuphelp
Writeup from MB 100:

Ooldea 001        30°32’45.7"S, 131°58’13.8"E

South Australia, Australia

Found: 12 Apr 2010

Classification: Ordinary chondrite (L6)

History: Several broken weathered pieces were found on the surface by A Tomkins, and then another 30 odd pieces were recovered by the team over an area of ~ 100 m2.

Physical characteristics: Many fragments of weathered dark brown material, no fusion crust discernible.

Petrography: (A. Tomkins, Monash) Poorly defined chondrules to 6 mm, sit in a strongly recrystallized matrix. Some plagioclase-dominated domains exceed 300 μm. Chondrule types include RP, POP, PP, BO and PO. Olivine grains show mosaicism and planar deformation fractures, plagioclase has been converted to maskelynite. Fe-Ni metal grains are almost completely rusted out, and the majority of troilite has been destroyed by weathering.

Geochemistry: (A. Tomkins, Monash) Microprobe analyses show that olivine and pyroxene have uniform compositions: olivine Fa25.0-26.1, mean=25.44 mol%, std=0.41, n=5; Low-Ca pyroxene Fs21.7-22.2, mean=21.90 mol%, std=0.21, n=5.

Classification: Ordinary chondrite (L6, S5, W3)

Data from:
  MB100
  Table 1
  Line 1729:
State/Prov/County:South Australia
Origin or pseudonym:Nullarbor Plain
Date:12 Apr 2010
Latitude:30°32'45.7"S
Longitude:131°58'13.8"E
Mass (g):587.4
Pieces:35
Class:L6
Shock stage:S5
Weathering grade:W3
Fayalite (mol%):25.44
Ferrosilite (mol%):21.90
Wollastonite (mol%):1.62
Classifier:A. Tomkins
Type spec mass (g):373.5
Type spec location:Monash
Main mass:Monash
Finder:A. Tomkins
Comments:Submitted by A. Tomkins, B. Schaefer, M. Pankhurst, K. Bell
Institutions
   and collections
Monash: Building 28 School of Geosciences Monash University Victoria 3800 Australia, Australia (institutional address; updated 12 Dec 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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Geography:

Australia
Coordinates:
     Recommended::   (30° 32' 46"S, 131° 58' 14"E)

Statistics:
     This is 1 of 241 approved meteorites from South Australia, Australia (plus 3 unapproved names) (plus 4 impact craters)
     This is 1 of 719 approved meteorites from Australia (plus 11 unapproved names) (plus 27 impact craters)
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Revision
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