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Dhofar 2120
Basic information Name: Dhofar 2120
     This is an OFFICIAL meteorite name.
Abbreviation: Dho 2120
Observed fall: No
Year found: 2019
Country: Oman
Mass:help 1583 g
Classification
  history:
Recommended:  Ureilite    [explanation]

This is 1 of 647 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 10 Apr 2021
Writeuphelp
Writeup from MB 110:

Dhofar 2120 (Dho 2120)        19°22.918’N, 54°02.873’E

Zufar, Oman

Find: 18 Jan 2019

Classification: Ureilite

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

Physical characteristics: Part of a broken individual, wind-ablated, 16 cm maximum size.

Petrography: (J. Pape, E. Gnos, B. Hofmann) The sample consist mainly of olivine and pigeonite and shows the characteristic ureilitic texture. Typical grain size of silicates is 1-2.5 mm. Well developed reduction rims (width 100-150 μm). Carbon platelets up to 1.5 mm, diamond with minor microcrystalline graphite. Silicates are weakly shocked (S2). Moderate weathering (most iron oxidized, silicates are unaffected).

Geochemistry: (J. Pape, NMBE) Olivine cores Fa21.7±0.3, Fe/Mn 43±2, Cr2O3 0.78±0.03 wt% (N = 20), reduced Ol rims have Fa>3.8. Pigeonite has Fs18.8±0.1Wo5.4±0.1, Cr2O3 1.12±0.02 wt% (N = 17).

Classification: Based on texture, mineralogy and geochemistry this is an unbrecciated, monomict, ferroan ureilite. Paired with Dhofar 2115.

Specimens: 59.43 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:18 Jan 2019
Latitude:19°22.918'N
Longitude:54°02.873'E
Mass (g):1583
Pieces:1
Class:Ureilite
Shock stage:low
Weathering grade:medium
Fayalite (mol%):21.7±0.3 (N = 20)
Ferrosilite (mol%):18.8±0.1 (N = 17)
Wollastonite (mol%):5.4±0.1 (N = 17)
Classifier:J. Pape, E. Gnos, B. Hofmann
Type spec mass (g):59.43
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_0022; 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
Coordinates:
     Recommended::   (19° 22' 55"N, 54° 2' 52"E)

Statistics:
     This is 1 of 2168 approved meteorites from Zufar, Oman (plus 24 unapproved names)
     This is 1 of 4003 approved meteorites from Oman (plus 436 unapproved names)
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