Meteoritical Bulletin: Entry for Dhofar 2119

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Dhofar 2119

Basic information

Name: Dhofar 2119
This is an OFFICIAL meteorite name.
Abbreviation: Dho 2119
Observed fall: No
Year found: 2019
Country: Oman
Mass: 8.5 g

Classification
history:

Recommended:

Ureilite [explanation]

This is 1 of 630 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Comments:

Approved 10 Apr 2021

Writeup

help

Writeup from MB 110:

Dhofar 2119 (Dho 2119) 19°37.787’N, 54°18.886’E

Zufar, Oman

Find: 16 Jan 2019

Classification: Ureilite

History: A single meteorite was found during a search for meteorites.

Physical characteristics: Part of a broken individual, 13x11x6 cm, wind-ablated, fusion crust is partly preserved.

Petrography: (J. Pape, E. Gnos, B. Hofmann) The sample consist mainly of olivine and pigeonite and shows the characteristic ureilitic texture. Typcial grain size of silicates is 0.8-1.5 mm. Reduction rims around olivines are ~50 μm wide. Silicates have a grain size of 0.8-1.5 mm. Carbon platelets (up to 1 mm length) consist of dominant diamond. Silicates are weakly shocked (S2). Moderate weathering (most iron oxidized, silicates are unaffected).

Geochemistry: (J. Pape, NMBE) Olivine cores Fa_21.8±0.3, Fe/Mn 46±2, Cr₂O₃ 0.55±0.02 wt% (N = 19), reduced Ol rims have Fa>6.3. Pigeonite has Fs_18.3±0.1Wo_10.3±0.2, Cr₂O₃ 1.30±0.03 wt% (N = 21).

Classification: Based on texture, mineralogy and geochemistry this is an unbrecciated, monomict, ferroan ureilite.

Specimens: 2.75 g including one polished thin section at NMBE, main mass: MHTO

Data from:
  MB110
  Table 0
  Line 0:

State/Prov/County:	Zufar
Origin or pseudonym:	Desert plain
Date:	16 Jan 2019
Latitude:	19°37.787'N
Longitude:	54°18.886'E
Mass (g):	8.495
Pieces:	1
Class:	Ureilite
Shock stage:	low
Weathering grade:	medium
Fayalite (mol%):	21.8±0.3 (N = 19)
Ferrosilite (mol%):	18.3±0.1 (N = 21)
Wollastonite (mol%):	10.3±0.2 (N = 21)
Classifier:	J. Pape, E. Gnos, B. Hofmann
Type spec mass (g):	2.75
Type spec location:	NMBE
Main mass:	MHTO
Finder:	M. Bucher, U. Eggenberger,M. Wolffers, M. Ulrich, A. Zappatini, W. Zucha, I. Al-Sawafi, N. Al-Rizeiqi
Comments:	Field number 19_0006; submitted by Beda Hofmann

Institutions
and collections

NMBE: Natural History Museum Bern Bernastrasse 15 CH-3005 Bern Switzerland, Switzerland; Website (institutional address; updated 2 Mar 2012)
MHTO: Ministry of Heritage and Tourism Muscat , Oman (institutional address; updated 10 Apr 2021)

Catalogs:

References:

Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4

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Geography:

Oman

Oman

Coordinates:
Recommended::	(19° 37' 47"N, 54° 18' 53"E)

Statistics:
This is 1 of 2167 approved meteorites from Zufar, Oman (plus 24 unapproved names)
This is 1 of 4001 approved meteorites from Oman (plus 436 unapproved names)

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