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Jiddat al Harasis 513
Basic information Name: Jiddat al Harasis 513
     This is an OFFICIAL meteorite name.
Abbreviation: JaH 513
Observed fall: No
Year found: 2008
Country: Oman
Mass:help 9.5 g
Meteoritical Bulletin:  MB 98  (2010)  LL7
Recommended:  LL7    [explanation]

This is 1 of 93 approved meteorites classified as LL7.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 11 Feb 2010
Writeup from MB 98:

Jiddat al Harasis 513       19°31.859'N, 55°10.787'E

Zufar, Oman

Found: 20 January 2008

Classification: Ordinary chondrite (LL7)

History: A single stone was found during a search for meteorites by A. Al-Kathiri, E. Gnos, A. Grimberg, B. Hofmann and E. Janots.

Physical characteristics: Rounded fully crusted single stone with a mass of 9.520 g, size 26 × 18 × 16 mm. This sample was found among numerous fragments of an unpaired ordinary chondrite (JaH 511).

Petrography (E. Gnos, MHNGE; B. Hofmann, NMBE;): Heterogeneous texture consisting of coarse (up to 1.2 mm) low-Ca pyroxene (Fs23.5Wo3.8), recrystallized olivine (Fa28.6) and interstitial plagioclase (30-50 μm in size), common troilite, chromite, ilmenite (also as abundant exsolutions in chromite). Very little iron metal, heterogeneously distributed (single nugget up to 1 mm). Chondrule remnants are only faintly discernible. Porosity determined by alcohol saturation is 6.1 vol%. Troilite shows polycrystalline texture. Below the fusion crust is a pronounced rim of troilite melt impregnation. Shock stage S2.

Geochemistry: Bulk Fe by XRF is 18.6%. Oxygen isotopes (I.A. Franchi and R.C. Greenwood, OU) δ17O = 4.07, δ18O = 5.73, and Δ17O = 1.07‰.

Classification: Based on bulk mineralogy, mineral composition, bulk Fe and oxygen isotopes this is a highly metamorphosed LL chondrite, LL7 S1 W2.

Specimens: All at NMBE.

Data from:
  Table 1
  Line 146:
Origin or pseudonym:Desert plain
Mass (g):9.5
Shock stage:S1
Weathering grade:W2
Fayalite (mol%):28.6
Ferrosilite (mol%):23.5
Wollastonite (mol%):3.8
Classifier:E. Gnos, E. Janots, B. Hofmann
Type spec mass (g):9.5
Type spec location:NMBE
Main mass:NMBE
Finder:A. Al-Kathiri, E. Gnos, B. Hofmann, A. Grimberg, E. Janots
Comments: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)
MHNGE: Muséum d’histoire naturelle, Route de Malagnou 1, CH-1211 Genève 6 , Switzerland (institutional address; updated 27 Oct 2011)
References: Published in Meteoritical Bulletin, no. 98, MAPS 45, 1530-1551 (2010)
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     Recommended::   (19° 31' 52"N, 55° 10' 47"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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