Meteoritical Bulletin: Entry for Northwest Africa 15593

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Northwest Africa 15593

Basic information

Name: Northwest Africa 15593
This is an OFFICIAL meteorite name.
Abbreviation: NWA 15593
Observed fall: No
Year found: 2021
Country: (Northwest Africa)
Mass: 445 g

Classification
history:

Recommended:

L3 [explanation]

This is 1 of 811 approved meteorites (plus 1 unapproved name) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 7 Jan 2023

Writeup

Writeup from MB 112:

Northwest Africa 15593 (NWA 15593)

(Northwest Africa)

Purchased: 2021

Classification: Ordinary chondrite (L3)

History: The meteorite was purchased from a meteorite dealer in Temara, Morocco.

Physical characteristics: Dark brownish rock with some fusion crust.

Petrography: The meteorite shows a chondritic texture with sharply outlined, mostly flattened, and packed chondrules (mean diameter about 0.7 mm) in a fine-grained grayish to light brownish matrix that contains only weakly altered sulfides and FeNi metal.

Geochemistry: Cr₂O₃ in ferroan olivine 0.08±0.05 wt%, range Cr₂O₃=0.00-0.25 wt%, n=42.

Classification: Ordinary chondrite (L3). Estimated subtype L3.4

Data from:
  MB112
  Table 0
  Line 0:

Place of purchase:	Temara, Morocco
Date:	P 2021
Mass (g):	445
Pieces:	1
Class:	L3
Shock stage:	S2
Weathering grade:	W1
Fayalite (mol%):	16.2±10.2 (1.1-41.8, n=25)
Ferrosilite (mol%):	13.0±7.2 (2.9-30.0, n=18)
Wollastonite (mol%):	0.9±0.8 (0.4-3.4, n=18)
Magnetic suscept.:	4.76
Classifier:	A. Greshake, MNB
Type spec mass (g):	21.4
Type spec location:	MNB
Main mass:	Said Yousfi
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. 112, in preparation (2023)

Find references in NASA ADS:
Find references in Google Scholar:

Photos:

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

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9111 approved meteorites from (Northwest Africa) (plus 1873 unapproved names)

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