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Ooldea 002
Basic information Name: Ooldea 002
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2013
Country: Australia
Mass:help 1306 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  L5
Recommended:  L5    [explanation]

This is 1 of 7217 approved meteorites (plus 4 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 31 May 2016
Writeuphelp
Writeup from MB 105:

Ooldea 002        30°34’25.10"S, 131°48’5.70"E

South Australia, Australia

Purchased: 2013 Apr 6

Classification: Ordinary chondrite (L5)

History: Several fragments found by A Tomkins over ~80 m2.

Physical characteristics: Five 5-10 cm red-brown blocks with partial fusion crust and five small fragments.

Petrography: (A. Tait, Monash) Few poorly defined chondrules reside in a recrystallized matrix. Relict chondrules included: RP, POP, PP. Relict Chondrule sizes range from 1.5 – 3.0 mm. Olivine grains show a strong undulous extinction but no further indicators of higher shock. All the FeNi/troilite has oxidized in this sample with oxidized grains leaving extensive corrosion cavities. These are interconnected with extensive weathering veins.

Geochemistry: (A. Tait, Monash) FEG-SEM analyses show that the olivine composition is uniform, with a moderate deviation in the pyroxene: olivine Fa23.3-24.5, mean= Fa23.9±0.4, n=7; Low-Ca pyroxene Fs15.8-20.8, mean= Fs17.8±1.9, n=5.

Classification: Ordinary Chondrite (L5, S2, W4)

Specimens: All specimens and one thin-section held by A. Tomkins.

Data from:
  MB105
  Table 0
  Line 0:
State/Prov/County:South Australia
Origin or pseudonym:Nullarbor Plain
Date:P 2013 Apr 6
Latitude:30°34'25.10"S
Longitude:131°48'5.70"E
Mass (g):1306
Pieces:9
Class:L5
Shock stage:S2
Weathering grade:W4
Fayalite (mol%):23.9
Ferrosilite (mol%):17.8
Wollastonite (mol%):0.43
Classifier:A. Tait, Monash
Type spec mass (g):1257
Type spec location:Monash
Main mass:Monash
Finder:A. Tomkins
Comments:Submitted by (A. Tait, A. Tomkins, A. Bowlt, S. Nutku, J. Savage)
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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography:

Australia
Coordinates:
     Recommended::   (30° 34' 25"S, 131° 48' 6"E)

Statistics:
     This is 1 of 239 approved meteorites from South Australia, Australia (plus 2 unapproved names) (plus 4 impact craters)
     This is 1 of 715 approved meteorites from Australia (plus 45 unapproved names) (plus 27 impact craters)
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