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Jiddat al Harasis 910
Basic information Name: Jiddat al Harasis 910
     This is an OFFICIAL meteorite name.
Abbreviation: JaH 910
Observed fall: No
Year found: 2011
Country: Oman
Mass:help 27 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  Martian (shergottite)
Recommended:  Martian (shergottite)    [explanation]

This is 1 of 192 approved meteorites (plus 1 unapproved name) classified as Martian (shergottite).   [show all]
Search for other: Martian meteorites
Comments: Approved 17 Jun 2015
Writeuphelp
Writeup from MB 104:

Jiddat al Harasis 910 (JaH 910)        19°43.14’N, 55°48.52’E

Al Wusta, Oman

Find: 2011 Feb 25

Classification: Martian meteorite (Shergottite)

History: The meteorite was found in 2011 during a field trip in the Oman desert.

Petrography: The meteorite displays a speckled black-greenish interior and is dominantly composed of blocky, up to 0.5 mm-sized clinopyroxene and plagioclase grains. Pyroxene shows complex patchy zoning, fine exsolution lamella and strong mosaicism. Plagioclase is intermediate in composition and recrystallized to tiny grains with strong undulatory extinction. There is no maskelynite present. Plagioclase is largely anisotropic showing a crystalline fibrous appearance similar to that observed in Dhofar 378, suggesting recrystallization after shock. Accessory minerals include ilmenite, ulvöspinel, pyrrhotite, and merrillite; shock-melt pockets are present.

Geochemistry: pigeonite: Fs52.8±5.2Wo14.5±1.8 (Fs41.4-60.4Wo12-20.6, n=20), FeO/MnO=30-36; augite: Fs31.1±7Wo31.9±2.1 (Fs19.5-41Wo28.6-35.9, n=20), FeO/MnO=25-35; plagioclase: An51.5±2.9Or1.4±0.8 (An45.4-57.1Or0.4-3.6, n=18).

Data from:
  MB104
  Table 0
  Line 0:
State/Prov/County:Al Wusta
Date:2011 Feb 25
Latitude:19°43.14'N
Longitude:55°48.52'E
Mass (g):27
Pieces:1
Class:Martian (shergottite)
Shock stage:high
Weathering grade:moderate
Ferrosilite (mol%):52.8; 31.1
Wollastonite (mol%):14.5; 31.9
Classifier:A. Greshake, MNB
Type spec mass (g):5.93
Type spec location:3.24 g MNB, 2.69 g Vernad
Main mass:anonymous
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstrasse 43, D-10115 Berlin, Germany (institutional address)
Vernad: Vernadsky Institute of Geochemistry and Analytical Chemistry, Russia (institutional address; updated 21 Feb 2016)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
METEORITICON      
Geography:

Oman
Coordinates:
     Recommended::   (19° 43' 8"N, 55° 48' 31"E)

Statistics:
     This is 1 of 1747 approved meteorites from Al Wusta, Oman (plus 72 unapproved names)
     This is 1 of 3944 approved meteorites from Oman (plus 371 unapproved names)
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