Meteoritical Bulletin: Entry for Sayh al Uhaymir 406

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Sayh al Uhaymir 406

Basic information

Name: Sayh al Uhaymir 406
This is an OFFICIAL meteorite name.
Abbreviation: SaU 406
Observed fall: No
Year found: 2005
Country: Oman
Mass: 30.9 g

Classification
history:

Meteoritical Bulletin:	MB 91	(2007)	Eucrite
Recommended:			Eucrite [explanation]

This is 1 of 598 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all]
Search for other: Achondrites, Eucrites, and HED achondrites

Comments:

Approved 1 Sep 2006

Writeup

help

Writeup from MB 91:

Sayh al Uhaymir 406 20°03.848′N, 56°32.034′E

Oman

Find: 10 February 2005

Achondrite (eucrite)

History: S. Bartels, J. Bühler, B. Hofmann, I. Leya, and S. Lorenzetti recovered a single sample during a systematic search for meteorites.

Physical characteristics: Platy rounded stone with minor remnants of fusion crust, 30.917 g.

Petrography: (E. Gnos, UBE; B. Hofmann, NMBE; A. Al-Kathiri, UBE) The rock contains up to 4 mm size rock fragments. It consists of (in vol%): angular volcanic clasts = 8.0; plutonic clasts = 6.6, 7.0% breccia clasts; mineral clasts (predominantly orthopyroxene, pigeonite and augite, minor plagioclase (An_78.7–93.7Or_0.3–1.6), silica, chromite, troilite, Fe,Ni metal, and ilmenite) = 53.6; myrmekitic orthopyroxene-troilite clasts = 3.3; fine-grained matrix = 16.3. Metal and troilite show minor weathering only.

Mineral compositions and geochemistry: Orthopyroxenes (Fs_12.8–31.5En_64.1–86.8Wo_0.4–4.4), pigeonites (Fs_32.4–55.0En_37.5–61.1Wo_6.5–14.9), and augites (Fs_27.4–41.5En_36.1–44.7Wo_20.9–33.2). Bulk composition: MgO = 13.75, CaO = 7.94 (both wt%); Fe/Mn= 34.1, Sc = 22, Sm = 1.08 (both ppm).

Classification: Achondrite (eucrite, polymict); S4.

Type specimen: The sample is on deposit at NMBE.

Institutions
and collections

NMBE: Natural History Museum Bern Bernastrasse 15 CH-3005 Bern Switzerland, Switzerland; Website (institutional address; updated 2 Mar 2012)
UBE: University of Bern, University of Bern, Hochschulstrasse 4, CH-3012 Bern, Switzerland (institutional address)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 91, MAPS 42, 413-466 (2007)

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Geography:

Oman

Oman

Coordinates:
Recommended::	(20° 3' 51"N, 56° 32' 2"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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Revision
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