Meteoritical Bulletin: Entry for Khawr al Fazra 008

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Khawr al Fazra 008

Basic information

Name: Khawr al Fazra 008
This is an OFFICIAL meteorite name.
Abbreviation: KaF 008
Observed fall: No
Year found: 2013
Country: Saudi Arabia
Mass: 1.15 g

Classification
history:

Meteoritical Bulletin:	MB 103	(2014)	CO3
Recommended:			CO3 [explanation]

This is 1 of 623 approved meteorites (plus 1 unapproved name) classified as CO3. [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites

Comments:

Approved 28 Jan 2014

Writeup

help

Writeup from MB 103:

Khawr al Fazra 008 (KaF 008) 19°26.244’N, 50°48.638’E

Ash Sharqiyah, Saudi Arabia

Found: 15 Feb 2013

Classification: Carbonaceous chondrite (CO3)

History: Found by Edwin Gnos, Beda Hofmann, Ayman Majoub during search for meteorites on small patch of desert soil between dunes on February 15, 2013.

Physical characteristics: Dark brown, wind-polished fragment of 1.15 g.

Petrography: Chondrules (average size 0.21±0.13mm, n=79, maximum size 0.92 mm) constitute approx. 30 % in fine grained matrix (approx. 70%). Abundant iron sulfides (pyrrhotite and pentlandite) and magnetite. Metal droplets in chondrules and matrix. Matrix impregnated by iron hydroxides from terrestrial alteration.

Geochemistry: (N. Greber, Bern) Olivine compositions are Fa_0.9-54.5, median Fa_1.4(n=23), clinopyroxene compositions are Fs_0.6-38.6Wo_0.8-3.2, median Fs_13.7Wo_1.6(n=11) with some diopside Fs_1.2-3.2.6Wo_50.9-53.0(n=3). Oxygen isotopes (R. Greenwood, OU): Sample cleaned with HCl yielded δ¹⁸O = -5.39, δ¹⁷O = -9.47, Δ¹⁷O = -6.66 (all per mil).

Classification: Based on mineral compositions, chondrule size and oxygen isotopes this is a CO3 carbonaceous chondrite.

Specimens: All material at MHNGE.

Data from:
  MB103
  Table 0
  Line 0:

State/Prov/County:	Ash Sharqiyah
Origin or pseudonym:	dune sand
Date:	15 Feb 2013
Latitude:	19°26.244'N
Longitude:	50°48.638'E
Mass (g):	1.153
Pieces:	1
Class:	CO3
Shock stage:	S1
Fayalite (mol%):	0.6-38.6
Ferrosilite (mol%):	0.8-3.2
Wollastonite (mol%):	0.9-54.5
Classifier:	B. Hofmann, E. Gnos, E. Greber
Type spec mass (g):	1.15
Type spec location:	MHNGE
Main mass:	SGS
Finder:	Edwin Gnos, Beda Hofmann, Ayman Majoub
Comments:	Submitted by Beda Hofmann

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)
MHNGE: Muséum d’histoire naturelle, Route de Malagnou 1, CH-1211 Genève 6 , Switzerland (institutional address; updated 27 Oct 2011)
Bern: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address)
SGS: Saudi Geological Survey, Jeddah, Saudi Arabia (institutional address; updated 11 Feb 2010)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full

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Geography:

Saudi Arabia

Saudi Arabia

Coordinates:
Recommended::	(19° 26' 15"N, 50° 48' 38"E)

Statistics:
This is 1 of 103 approved meteorites from Ash Sharqiyah, Saudi Arabia (plus 1 unapproved name) (plus 1 impact crater)
This is 1 of 112 approved meteorites from Saudi Arabia (plus 4 unapproved names) (plus 2 impact craters)

Proximity search:

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