Meteoritical Bulletin: Entry for Dhofar 837

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Dhofar 837

Basic information

Name: Dhofar 837
This is an OFFICIAL meteorite name.
Abbreviation: Dho 837
Observed fall: No
Year found: 2000
Country: Oman
Mass: 900 g

Classification
history:

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

This is 1 of 660 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Writeup

help

Writeup from MB 87:

Dhofar 837

Oman

Found 2000 spring

Achondrite (ureilite)

A single stone weighing 900.1 g, and split into two pieces was found by an anonymous finder in August 2000 in the Dhofar region of Oman. Mineralogy and classification (H. Takeda, Chiba; T. Ishii and M. Ohtsuki, UTok): A few medium-grained olivine and pigeonite grains (up to 2.1 × 1.5 mm in size) are set in a texture of smaller grained minerals with carbonaceous material and fine metal veins at grain boundaries. Olivine grains (75 vol%) are more abundant than pigeonite (20%). The metal veins are less than 5 vol%. The pigeonite composition Ca5Mg76Fe19 is uniform and the Fo values of olivine range from 78 to 79. Weakly shocked (S1-2). The sample is weathered to brownish color in hand specimen, W1. Dho 837 was found only 6 km SE of Dho 836, but the two specimens differ in composition and texture, and so may not be paired. Dho 837 has some textural similarities to Dho 295, but as the two specimens have very different Fe atomic %, and were found around 113 km apart, they are not necessarily paired. Specimens: type specimen 20.8 g NSMT; thin sections, Chiba, KyuU; main mass with anonymous finder.

Data from:
  MB87
  Table 4
  Line 263:

Date:	2000
Latitude:	18°18.35'N
Longitude:	54°08.98'E
Mass (g):	900.1
Pieces:	1
Class:	Ure
Shock stage:	S1-2
Weathering grade:	W1
Fayalite (mol%):	78
Classifier:	National Science Museum, 3–23–1 Hyakunin-cho, Shinjuku-ku, Tokyo, 169–0073, Japan
Type spec mass (g):	20.8

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)
KyuU: Department of Earth and Planetary Science, Kyushu University Hakozaki, Higashi-ku, Fukuoka-shi 812- 8581, Japan (institutional address)
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

Geography:

Oman

Oman

Coordinates:
Recommended::	(18° 18' 21"N, 54° 8' 59"E)

Statistics:
This is 1 of 2167 approved meteorites from Zufar, Oman (plus 26 unapproved names)
This is 1 of 3998 approved meteorites from Oman (plus 441 unapproved names)

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