Meteoritical Bulletin: Entry for Al Haggounia 003

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Al Haggounia 003

Basic information

Name: Al Haggounia 003
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2013
Country: Western Sahara
Mass: 897 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	Eucrite-unbr
Recommended:			Eucrite-unbr [explanation]

This is 1 of 130 approved meteorites classified as Eucrite-unbr. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 31 Dec 2015

Writeup

help

Writeup from MB 104:

Al Haggounia 003 27.299°N, 12.141°W

Western Sahara

Find: 2013 May

Classification: HED achondrite (Eucrite, unbrecciated)

History: Found on May 15, 2013, by Mr. M. Smara in the Chwichiya region and subsequently purchased by John Higgins.

Physical characteristics: All of the stones have pitted irregular surfaces and are light gray to dark gray to pale brown in overall color. Several stones have remnants of dark fusion crust. Most of the stones have partial coatings of greenish to whitish lichens.

Petrography: (A. Irving, UWS) Unbrecciated with subophitic texture and some cross-cutting microfault zones. Minerals are exsolved pigeonite, calcic plagioclase, silica polymorph, ilmenite, troilite and minor stained metal.

Geochemistry: (P. Carpenter, WUSL) Orthopyroxene host (Fs_60.4-60.7Wo_3.2-2.6, FeO/MnO = 31-32, N = 2), clinopyroxene exsolution lamellae (Fs_25.9-26.0Wo_44.3-44.4, FeO/MnO = 30-32, N =2), plagioclase (An_88.6-89.0Or_0.5-0.4, N = 2).

Classification: Eucrite (unbrecciated).

Specimens: 24 g including one polished thin section at UWB; remaining material with Mr. J. Higgins.

Data from:
  MB104
  Table 0
  Line 0:

Date:	2013 May
Latitude:	27.299°N
Longitude:	12.141°W
Mass (g):	897
Pieces:	several
Class:	Eucrite-unbr
Shock stage:	low
Weathering grade:	low
Ferrosilite (mol%):	60.4-60.7; 25.9-26.0
Wollastonite (mol%):	3.2-2.6; 44.3-44.4
Magnetic suscept.:	2.66
Classifier:	A. Irving, UWS, and P. Carpenter, WUSL
Type spec mass (g):	24
Type spec location:	UWB
Main mass:	J. Higgins
Finder:	M. Smara
Comments:	JH15-11; submitted by A. Irving

Institutions
and collections

UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full

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Geography:

Western Sahara

Western Sahara

Coordinates:
Recommended::	(27° 17' 56"N, 12° 8' 28"W)

Statistics:
This is 1 of 270 approved meteorites from Western Sahara (plus 20 unapproved names)

Proximity search:

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