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Puli Ilkaringuru
Basic information Name: Puli Ilkaringuru
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: Yes, confirmed fall
Year fell: 2019
Country: Australia
Mass:help 369 g
Classification
  history:
Meteoritical Bulletin:  MB 112  (2023)  H5
Recommended:  H5    [explanation]

This is 1 of 11764 approved meteorites (plus 23 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 May 2023
Writeuphelp
Writeup from MB 112:

Puli Ilkaringuru        -30.55463, 127.59957

Western Australia, Australia

Confirmed fall: 2019 Nov 18

Classification: Ordinary chondrite (H5)

History: On the night of 18 Nov 2019, the Desert Fireball Network detected a fireball over the Nullarbor Plain in Western Australia. The meteroid was modelled to have a pre-impact orbit: a = 3.09±0.13 [AU], e = 0.67±0.01, i = 20.43±0.35 [deg]. Eight months later, a searching team was dispatched to cover the area and the meteorite was recovered after ~2 hours of searching. The name of the local area, meaning "little rock" in the Tjuntjuntjara language, was provided by the Pitjantjatjara Community, who retain current and traditional custody of the land.

Physical characteristics: The meteorite consists of a single piece (369 g) roughly in the shape of a gumdrop, with a black-grey fusion crust. Ablation crack-cells cover most of the smooth surfaces, and although a white gash appears on the surface, it is likely a result from contact with the limestone ground upon impact.

Petrography: The meteorite mostly consists of poorly-defined chondrules set in a recrystallized silicate matrix, with iron-nickel metal and troilite grains distributed fairly evenly throughout the sample. Chromite, ilmenite, and Ca-phosphate minerals are also present in much lesser amounts. The chondrule types include: Barred Olivine, Radial Pyroxene, Granular Olivine Pyroxene, and Porphyritic Olivine, with an average chondrule diameter of: 0.56±0.26 mm (n=47). Most plagioclase grains measure >50 µm.

Geochemistry: Olivine Fa19.35±0.51 (n=21); Orthopyroxene Fs17.42±0.48Wo1.37±0.19 (n=15)

Classification: Ordinary chondrite (H5, unbrecciated)

Specimens: The main mass (~250 g) is held at WAM, while CUWA holds two epoxy mounted, polished samples. A smaller ~60 g piece is also held at the WAM.

Data from:
  MB112
  Table 0
  Line 0:
State/Prov/County:Western Australia
Origin or pseudonym:Arid Plain
Date:2019 Nov 18
Latitude:-30.55463
Longitude:127.59957
Mass (g):369
Pieces:1
Class:H5
Weathering grade:W0
Fayalite (mol%):19.35 ± 0.51 (n=21)
Ferrosilite (mol%):17.42 ± 0.48 (n=15)
Wollastonite (mol%):1.37 ± 0.19 (n=15)
Magnetic suscept.:5.45±0.08
Classifier:S. Anderson, G. Benedix
Type spec mass (g):250
Type spec location:CUWA
Main mass:CUWA
Finder:Martin Towner, Francesca Cary, Seamus Anderson, Ken Orr, Morgan Cox, Raiza Quintero-Mendez,
Comments:Submitted by Seamus Anderson: [email protected]
Institutions
   and collections
WAM: Department of Earth & Planetary Sciences, Western Australian Museum. Locked Bag 49, Welshpool DC, Western Australia 6986, Australia; Website (institutional address; updated 18 Oct 2011)
CUWA: Curtin University, Perth 6845, Western Australia, Australia (institutional address)
Catalogs:
References: Published in Meteoritical Bulletin, no. 112, in preparation (2023)
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Geography:

Australia
Coordinates:
     Recommended::   (30° 33' 17"S, 127° 35' 58"E)

Statistics:
     This is 1 of 348 approved meteorites from Western Australia, Australia (plus 1 unapproved name) (plus 11 impact craters)
     This is 1 of 719 approved meteorites from Australia (plus 11 unapproved names) (plus 27 impact craters)
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