Meteoritical Bulletin: Entry for Ramlat Fasad 527

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Ramlat Fasad 527

Basic information

Name: Ramlat Fasad 527
This is an OFFICIAL meteorite name.
Abbreviation: RF 527
Observed fall: No
Year found: 2018
Country: Oman
Mass: 26.1 g

Classification
history:

Meteoritical Bulletin:	MB 110	(2022)	Ureilite
Recommended:			Ureilite [explanation]

This is 1 of 660 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Comments:

Approved 10 Apr 2021

Writeup

help

Writeup from MB 110:

Ramlat Fasad 527 18°57.900’N, 53°26.277’E

Zufar, Oman

Find: 07 Feb 2018

Classification: Ureilite

History: A broken individual was found during a search for meteorites.

Physical characteristics: Broken fragment, strongly wind-ablated, 3.5 cm maximum size.

Petrography: (J. Pape, E. Gnos, B. Hofmann) The sample consist mainly of olivine and pigeonite and shows the characteristic ureilitic texture. Some olivine grains are poikilitically enclosed in large (up to 2.5 mm) pyroxene grains. Olivine has weakly reduced rims (width ~20 μm) with very minor Fe metal inclusions, partly oxidized due to weathering. Carbon platelets (up to 1.5 mm length) consist mainly diamond. Silicates are weakly shocked (S2). Moderate weathering (most iron oxidized, silicates are unaffected).

Geochemistry: (J. Pape, NMBE) Olivine cores Fa_15.4±0.1, Fe/Mn 37±1, Cr₂O₃ 0.74±0.02 wt% (N = 7), reduced Ol rims have Fa>9.0. Pigeonite has Fs_13.8±0.2Wo_5.0±0.6, Cr₂O₃ 1.05±0.03 (N = 13).

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

Specimens: 7.7 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:	07 Feb 2018
Latitude:	18°57.900'N
Longitude:	53°26.277'E
Mass (g):	26.14
Pieces:	1
Class:	Ureilite
Shock stage:	low
Weathering grade:	medium
Fayalite (mol%):	15.4±0.1 (N = 7)
Ferrosilite (mol%):	13.8±0.2 (N = 13)
Wollastonite (mol%):	5.0±0.6 (N = 13)
Classifier:	J. Pape, E. Gnos, B. Hofmann
Type spec mass (g):	7.7
Type spec location:	NMBE
Main mass:	NMBE
Finder:	T. Blaise, E. Gnos, B. Hofmann, F. Mechelke, M. Sliz, I. Al-Sawafi
Comments:	Field number 1802_0190; 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::	(18° 57' 54"N, 53° 26' 17"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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Revision
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