Meteoritical Bulletin: Entry for Jiddat al Harasis 910

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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: 27 g

Classification
history:

Meteoritical Bulletin:	MB 104	(2015)	Martian (shergottite)
Recommended:			Martian (shergottite) [explanation]

This is 1 of 322 approved meteorites (plus 2 unapproved names) classified as Martian (shergottite). [show all]
Search for other: Martian meteorites

Comments:

Approved 17 Jun 2015

Writeup

help

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: Fs_52.8±5.2Wo_14.5±1.8(Fs_41.4-60.4Wo_12-20.6, n=20), FeO/MnO=30-36; augite: Fs_31.1±7Wo_31.9±2.1(Fs_19.5-41Wo_28.6-35.9, n=20), FeO/MnO=25-35; plagioclase: An_51.5±2.9Or_1.4±0.8(An_45.4-57.1Or_0.4-3.6, 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; updated 24 Dec 2011)
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:

Credit	Photos
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
METEORITICON

Geography:

Oman

Oman

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

Statistics:
This is 1 of 1753 approved meteorites from Al Wusta, Oman (plus 81 unapproved names)
This is 1 of 3998 approved meteorites from Oman (plus 441 unapproved names)

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