Meteoritical Bulletin: Entry for Dhofar 1668

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Dhofar 1668

Basic information

Name: Dhofar 1668
This is an OFFICIAL meteorite name.
Abbreviation: Dho 1668
Observed fall: No
Year found: 2011
Country: Oman
Mass: 6.1 g

Classification
history:

Meteoritical Bulletin:	MB 101	(2012)	Martian (shergottite)
Recommended:			Martian (shergottite) [explanation]

This is 1 of 322 approved meteorites (plus 2 unapproved names) classified as Martian (shergottite). [show all]
Search for other: Martian meteorites

Comments:

Approved 30 Oct 2012

Writeup

help

Writeup from MB 101:

Dhofar 1668 (Dho 1668) 18.322°N, 54.148°E

Zufar, Oman

Found: 2010 Nov

Classification: Martian meteorite (Shergottite)

History: Purchased by Patrick Cavanaugh from an anonymous finder.

Physical characteristics: A single small, brown stone (6.1 g) lacking fusion crust.

Petrography: (A. Irving and S. Kuehner, UWS) Small zoned olivine phenocrysts (with some secondary iron hydroxide staining) occur with prismatic grains of zoned pigeonite and maskelynite, together with accessory Fe-Ti oxides (intergrown ilmenite+magnetite), chromite, pyrrhotite, merrilite and chlorapatite. Minor secondary gypsum and calcite present.

Geochemistry: Olivine (Fa_41.4-64.1, FeO/MnO = 56-59), pigeonite (Fs_29.1-40.0Wo_9.6-11.5, FeO/MnO = 31-34), plagioclase (An_57.2-62.8Or_0.7-0.2).

Classification: Martian (shergottite, olivine-phyric). The find location, texture and mineralogy imply that this stone is paired with Dhofar 019.

Specimens: 1.25 g and one polished thin section are on deposit at UWB. Mr. P. Cavanaugh, Boise, Idaho, holds the main mass.

Data from:
  MB101
  Table 0
  Line 0:

State/Prov/County:	Zufar
Place of purchase:	Paris
Date:	2010 Nov
Latitude:	18.322°N
Longitude:	54.148°E
Mass (g):	6.1
Pieces:	1
Class:	Martian (shergottite)
Shock stage:	high
Weathering grade:	low
Fayalite (mol%):	41.4-64.1
Ferrosilite (mol%):	29.1-40.0
Wollastonite (mol%):	9.6-11.5
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	1.25
Type spec location:	UWB
Main mass:	P. Cavanaugh
Comments:	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)
UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 101, MAPS 50, 1661, September 2015

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Geography:

Oman

Oman

Coordinates:
Recommended::	(18° 19' 19"N, 54° 8' 53"E)

Statistics:
This is 1 of 2167 approved meteorites from Zufar, Oman (plus 26 unapproved names)
This is 1 of 3998 approved meteorites from Oman (plus 441 unapproved names)

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