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Ramlat Fasad 547
Basic information Name: Ramlat Fasad 547
     This is an OFFICIAL meteorite name.
Abbreviation: RF 547
Observed fall: No
Year found: 2017
Country: Oman
Mass:help 176.8 g
Recommended:  CV3    [explanation]

This is 1 of 612 approved meteorites (plus 1 unapproved name) classified as CV3.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites
Comments: Approved 30 Aug 2021
Writeup from MB 110:

Ramlat Fasad 547        19°06.504’N, 53°29.523’E

Zufar, Oman

Find: 2017 Feb 10

Classification: Carbonaceous chondrite (CV3)

History: Found during a search for meteorites.

Physical characteristics: Single stone of dark olive-green color, 7 × 4 × 4 cm, strongly wind-ablated, with protruding chondrules. In a cut section, a fine-grained clast of 2 × 1 cm without chondrules is visible.

Petrography: (Åke Rosén, E. Gnos, B. Hofmann) Chondrules (0.6-2.0 mm), CAIs (up to 2 mm) and olivine grains (up to 1.5 mm) in fine-grained brown matrix constituting about 40 vol%. Magnetite, FeS and rare metal are only present in some chondrules. One chondrules contains xenomorphic chromite up to 80 μm in size. Low shock level (S2), medium weathering.

Geochemistry: (Å. Rosén) Olivine Fa11.3±8.4, range Fa0.3-35.5 (N = 54). Orthopyroxene Fs0.9±0.3Wo1.5±1.0 (N = 9). Oxygen isotopes: (R. Greenwood, OU) δ18O = 0.554 δ17O = -3.580 Δ17O = -3.868 (all permil).

Classification: Based on chondrule size, texture, mineralogy and oxygen isotopes this is a CV3 carbonaceous chondrite. However, it is essentially free of metal and magnetite, resulting in a low magnetic susceptibility and olive-green colour. Medium weathering, unshocked.

Specimens: 24.6 g and one polished thin section at NMBE. Main mass: MHTO.

Data from:
  Table 0
  Line 0:
Origin or pseudonym:Desert plain
Date:2017 Feb 10
Mass (g):176.812
Shock stage:S2
Weathering grade:medium
Fayalite (mol%):11.3±8.4 (n=54)
Ferrosilite (mol%):0.9±0.3 (n=9)
Wollastonite (mol%):1.5±1.0 (n=9)
Magnetic suscept.:3.04
Classifier:Å. Rosén, E. Gnos, B. Hofmann
Type spec mass (g):24.600
Type spec location:NMBE
Main mass:MHTO
Finder:Martin Bucher, Urs Eggenberger, Edwin Gnos, Beda Hofmann, Ioannis Kouvatsis, Malgorzata Sliz, A. Al-Hashemi
Comments:Field number 1702_0358; submitted by Beda Hofmann
Plots: O isotopes:  
   and collections
NMBE: Natural History Museum Bern Bernastrasse 15 CH-3005 Bern Switzerland, Switzerland; Website (institutional address; updated 2 Mar 2012)
OU: Planetary and Space Sciences Department of Physical Sciences The Open University Walton Hall Milton Keynes MK7 6AA United Kingdom, United Kingdom (institutional address; updated 8 Dec 2011)
MHTO: Ministry of Heritage and Tourism Muscat , Oman (institutional address; updated 10 Apr 2021)
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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Public domain photographs:
Beda Hofmann   

     Recommended::   (19° 6' 30"N, 53° 29' 31"E)

     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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