Meteoritical Bulletin: Entry for Missour 001

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Missour 001

Basic information

Name: Missour 001
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2021
Country: Morocco
Mass: 876 g

Classification
history:

Recommended:

Ureilite [explanation]

This is 1 of 605 approved meteorites classified as Ureilite. [show all]
Search for other: Achondrites, Ureilites

Comments:

Approved 24 Jul 2021

Writeup

Writeup from MB 110:

Missour 001 33°23’33.8"N, 3°54’11.4"W

Morocco

Find: 2021 Feb 2

Classification: Ureilite

History: The meteorite was found on February 2, 2021m by the meteorite hunter Mohammed Bouzian west of Outat el Haj and subsequently purchased by the main mass holder.

Physical characteristics: Three brownish fragments without fusion crust.

Petrography: The meteorite has olivine and pigeonite grains up to 1.5 mm in sizes. Olivine and pyroxene have characteristic reduced Mg-rich rims associated with FeNi-metal or graphite. The meteorite contains flaky graphite and abundant iron oxide veins.

Geochemistry: Reduced rims in olivine: Fa_5.1-6.2; olivine contains 0.77±0.09 wt% Cr₂O₃ and 0.38±0.04 wt% CaO; reduced rims in pyroxene: Fs_3.7-5.6Wo_8.6-10.5; pigeonite contains 1.26±0.03 wt% Cr₂O₃ and 0.77±0.04 wt% Al₂O₃

Data from:
  MB110
  Table 0
  Line 0:

Place of purchase:	Errachdia, Morocco
Date:	2021 Feb 2
Latitude:	33°23'33.8"N
Longitude:	3°54'11.4"W
Mass (g):	876
Pieces:	3
Class:	Ureilite
Shock stage:	low
Weathering grade:	moderate
Fayalite (mol%):	20.3±0.1 (n=7)
Ferrosilite (mol%):	17.0±0.1 (n=7)
Wollastonite (mol%):	8.6±0.1 (n=7)
Classifier:	A. Greshake, MNB
Type spec mass (g):	26.1
Type spec location:	MNB
Main mass:	Sean Mahoney and Juan Avilés Pablador
Comments:	Submitted by Ansgar Greshake

Institutions
and collections

MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)

Catalogs:

References:

Published in Meteoritical Bulletin, no. 110, in preparation (2021)

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Geography:

Morocco

Coordinates:
Recommended::	(33° 23' 34"N, 3° 54' 11"W)

Statistics:
This is 1 of 1847 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater)

Proximity search:

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