Meteoritical Bulletin: Entry for Dhofar 1768

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Dhofar 1768

Basic information

Name: Dhofar 1768
This is an OFFICIAL meteorite name.
Abbreviation: Dho 1768
Observed fall: No
Year found: 2011
Country: Oman
Mass: 49.7 g

Classification
history:

Meteoritical Bulletin:	MB 103	(2014)	Diogenite-pm
Recommended:			Diogenite-pm [explanation]

This is 1 of 63 approved meteorites classified as Diogenite-pm. [show all]
Search for other: Achondrites, Diogenites, and HED achondrites

Comments:

Approved 17 Nov 2014

Writeup

Writeup from MB 103:

Dhofar 1768 (Dho 1768) 19.038°N, 54.906°E

Zufar, Oman

Found: 2011 Mar

Classification: HED achondrite (Diogenite, polymict)

History: Found by an anonymous prospector in March 2011.

Petrography: (A. Irving and S. Kuehner, UWS) Angular mineral grains of orthopyroxene, olivine, calcic plagioclase, exsolved pigeonite, silica polymorph, ilmenite, chromite, troilite and minor pentlandite are set in a sparse, finer grained matrix.

Geochemistry: Olivine (Fa_43.3-44.6, FeO/MnO = 46-48), diogenitic orthopyroxene (Fs_21.6-23.4Wo_0.4-1.7, FeO/MnO = 34-36), orthopyroxene host (Fs_58.7Wo_5.6, FeO/MnO = 32), clinopyroxene exsolution lamellae (Fs_27.2-30.5Wo_42.6-39.9, FeO/MnO = 30-33), ferropigeonite (Fs_45.5Wo_25.4).

Classification: Diogenite (polymict).

Specimens: Type specimen plus one polished thin section at PSF; main mass with anonymous collector.

Data from:
  MB103
  Table 0
  Line 0:

State/Prov/County:	Zufar
Date:	2011 Mar
Latitude:	19.038°N
Longitude:	54.906°E
Mass (g):	49.7
Pieces:	1
Class:	Diogenite-pm
Shock stage:	low
Weathering grade:	low
Fayalite (mol%):	43.3-44.6
Ferrosilite (mol%):	21.6-23.4
Wollastonite (mol%):	0.4-1.7
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	10.11
Type spec location:	PSF
Main mass:	Anonymous
Comments:	106; submitted by P. Sipiera

Institutions
and collections

PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)

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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Photos:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
Meteor-Center

Geography:

Oman

Coordinates:
Recommended::	(19° 2' 17"N, 54° 54' 22"E)

Statistics:
This is 1 of 2653 approved meteorites from Zufar, Oman (plus 27 unapproved names)
This is 1 of 4526 approved meteorites from Oman (plus 419 unapproved names)

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