Meteoritical Bulletin: Entry for Dhofar 836

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Dhofar 836

Basic information

Name: Dhofar 836
This is an OFFICIAL meteorite name.
Abbreviation: Dho 836
Observed fall: No
Year found: 2000
Country: Oman
Mass: 995 g

Classification
history:

Meteoritical Bulletin:	MB 87	(2003)	Ureilite
MetBase:	v. 7.1	(2006)	Ureilite
Recommended:			Ureilite [explanation]

This is 1 of 649 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Writeup

Writeup from MB 87:

Dhofar 836

Oman

Found 2000 August 15

Achondrite (ureilite)

A single stone weighing 995 g, and split into two pieces was found by an anonymous finder in the Dhofar region of Oman. Mineralogy and classification (H. Takeda, Chiba; T. Ishii and M. Ohtsuki, UTok.): medium-grained (1–2 mm), equigranular olivine (Fo79 core; Fo90 rim) and pigeonite (Ca10Mg74Fe16 to Ca11Mg71Fe19). Carbonaceous matter occurs as narrow, intergranular veins. Weakly shocked (S1), with rare mosaicism in olivine. The sample is weathered to brownish color in hand specimen, W1. Dho 836 was found only 6 km NW of Dho 837, but the two specimens differ in composition and texture, and so may not be paired. Specimens: type specimen 20.2 g NSMT; thin section, Chiba; main mass with anonymous finder.

Data from:
  MB87
  Table 4
  Line 262:

Date:	15 Aug 2000
Latitude:	18°20.92'N
Longitude:	54°12.84'E
Mass (g):	995
Pieces:	1
Class:	Ure
Shock stage:	S1
Weathering grade:	W1
Fayalite (mol%):	21 (core) 10 (rim)
Classifier:	National Science Museum, 3–23–1 Hyakunin-cho, Shinjuku-ku, Tokyo, 169–0073, Japan
Type spec mass (g):	20.2

Institutions
and collections

UTok: University Museum, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan (institutional address; updated 3 Oct 2021)
Chiba: Chiba Institute of Technology, Tsudanuma, Narashino, Chiba 275-0016, Japan (institutional address)
NSMT: National Museum of Nature and Science, 4-1-1 Amakubo, Tsukuba, Ibaraki 305-0005, JAPAN, Japan; Website (institutional address; updated 16 Jun 2014)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)

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Photos:

Credit	Photos
Photos from the Encyclopedia of Meteorites:
Don Edwards
Shinishi Kato
Photos uploaded by members of the Encyclopedia of Meteorites. (Caution, these are of unknown reliability)
METEORITICON

Geography:

Oman

Coordinates:
Recommended::	(18° 20' 55"N, 54° 12' 50"E)

Statistics:
This is 1 of 2169 approved meteorites from Zufar, Oman (plus 24 unapproved names)
This is 1 of 4006 approved meteorites from Oman (plus 436 unapproved names)

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