Meteoritical Bulletin: Entry for Old Homestead 003

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Old Homestead 003

Basic information

Name: Old Homestead 003
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2002
Country: Australia
Mass: 1780 g

Classification
history:

Meteoritical Bulletin:	MB 100	(2012)	Howardite
Recommended:			Howardite [explanation]

This is 1 of 446 approved meteorites classified as Howardite. [show all]
Search for other: Achondrites, HED achondrites, and Howardites

Comments:

Approved 29 May 2012

Writeup

help

Writeup from MB 100:

Old Homestead 003 31°27’10"S, 127°53’25.8"E

Western Australia, Australia

Found: 2002

Classification: HED achondrite (Howardite)

History: A single mass was found by P. Devine near the reported 1991 find-site of the Old Homestead 001 howardite (MetBull 74).

Physical characteristics: Rounded, compact stone weighs 1.78 kg, has a pitted light brown surface lacking fusion crust. While the surface is weathered the interior remains fresh.

Petrography: (A.W.R. Bevan, WAM, and T. Kennedy, UWA) Breccia of lithic clasts including eucritic (some showing ophitic texture) and minor diogenitic components set in a clastic, welded, melt matrix of mineral fragments and glass. Abundant pyroxene and plagioclase feldspar, other minerals include olivine, chromite, ilmenite and Fe-Ni metal. Petrologically distinct from Old Homestead 001.

Geochemistry: (A. Bevan, P. Downes, WAM; E. Hancock, GSWA; and T. Kennedy, UWA): Rare olivine (Fa_3.9-45.5), pyroxene (Fs_8.9-67.5Wo_1.2-86.0) and plagioclase (An_88.2-96.8Ab_3.1-10.9Or_0.06-0.77). Oxygen isotopes (I. A. Franchi, OU) replicate analyses δ¹⁷O = 2.37, 2.30; δ¹⁸O = 5.02, 4.88; Δ¹⁷O = -0.232, -0.235 (all per mil).

Classification: Achondrite (howardite). Not paired with Old Homestead 001.

Specimens: Main mass and three thin sections, WAM.

Data from:
  MB100
  Table 1
  Line 1710:

State/Prov/County:	Western Australia
Origin or pseudonym:	Nullarbor Region
Date:	2002
Latitude:	31°27'10"S
Longitude:	127°53'25.8"E
Mass (g):	1780
Pieces:	1
Class:	Howardite
Fayalite (mol%):	3.9-45.5
Ferrosilite (mol%):	8.9-67.5
Wollastonite (mol%):	1.2-86.0
Classifier:	A. W. R. Bevan (WAM) and T. Kennedy (UWA)
Type spec mass (g):	1780
Type spec location:	WAM
Main mass:	WAM
Finder:	P. Devine
Comments:	Submitted by A. W. R. Bevan (WAM)

Plots:

O isotopes:

Institutions
and collections

OU: Planetary and Space Sciences Department of Physical Sciences The Open University Walton Hall Milton Keynes MK7 6AA United Kingdom, United Kingdom (institutional address; updated 8 Dec 2011)
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)
GSWA: Geological Survey of Western Australia, 100 Plain Street, East Perth WA 6004 , Australia (institutional address; updated 29 May 2012)
UWA: University of Western Australia, 35 Hackett Drive, Crawley, Western Australia 6009, Australia (institutional address; updated 29 May 2012)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)

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Geography:

Australia

Australia

Coordinates:
Recommended::	(31° 27' 10"S, 127° 53' 26"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 718 approved meteorites from Australia (plus 46 unapproved names) (plus 27 impact craters)

Proximity search:

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