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Ooldea 017
Basic information Name: Ooldea 017
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2017
Country: Australia
Mass:help 14.7 g
Classification
  history:
Meteoritical Bulletin:  MB 108  (2020)  L5
Recommended:  L5    [explanation]

This is 1 of 7176 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 23 Jan 2019
Writeuphelp
Writeup from MB 108:

Ooldea 017        30°31’40.9"S, 131°50’48.2"E

South Australia, Australia

Find: 19 Apr 2017

Classification: Ordinary chondrite (L5)

History: Three broken fragments found over an area of ~30 m2 by R. Hine

Physical characteristics: Three red-brown fragments, probably about 50% of a single stone given the amount of fusion crust.

Petrography: (D. Steele) Chondrules are readily discernable in a recrystallized matrix. Chondrule types include BO, RP, POP, GOP. Mineralogy consists of olivine, plagioclase, pyroxene, Fe-Ni metal and troilite. Olivine displays straight extinction and weak mosiac extinction, planar and irregular fractures. The examined thin section contains one basalt clast. Fe-Ni metal and troilite have minor oxide rims

Geochemistry: (D. Steele) Microprobe analysis shows olivine and pyroxene compositions are uniform: olivine Fa24.9-26.3, mean = Fa25.5, std = 0.52, n = 5; Orthopyroxene Fs20.9-21.0, std = 1.95, n = 3.

Classification: Ordinary Chondrite (L5, S4, W1)

Data from:
  MB108
  Table 0
  Line 0:
State/Prov/County:South Australia
Origin or pseudonym:Nullarbor Plain
Date:19 Apr 2017
Latitude:30°31'40.9"S
Longitude:131°50'48.2"E
Mass (g):14.7
Pieces:3
Class:L5
Shock stage:S4
Weathering grade:W1
Fayalite (mol%):25.5
Ferrosilite (mol%):22.1
Classifier:D. Steele, Monash
Type spec mass (g):11
Type spec location:Monash
Main mass:Monash
Finder:J. Mitchell
Comments:Submitted by A. Tomkins
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. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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Geography:

Australia
Coordinates:
     Recommended::   (30° 31' 41"S, 131° 50' 48"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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