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Hassi Touil 001
Basic information Name: Hassi Touil 001
     This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2020
Country: Algeria
Mass:help 221 g
Classification
  history:
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 253 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 31 Oct 2021
Writeuphelp
Writeup from MB 110:

Hassi Touil 001        27°17.65’N, 07°11.03’E

Illizi, Algeria

Find: 2020 Nov 4

Classification: Lunar meteorite (feldspathic breccia)

History: Found on November 4, 2020, near the town of Bordj Omar Driss. Later purchased by Matthew Stream in 2021 from a meteorite dealer in Algeria.

Physical characteristics: Many small stones containing weathered fusion crust.

Petrography: (D. Sheikh, Cascadia) Sample is a fragmental breccia primarily composed of angular to sub-rounded anorthitic clasts (up to 3 mm) and isolated mineral fragments set in a fine-grained matrix. Accessory phases include chromite and ilmenite.

Geochemistry: Olivine (Fa39.4±1.6, range Fa37.5-42.9, Fe/Mn=80±10, n=17), Low-Ca Pyroxene (Fs29.9 Wo4.0, Fe/Mn=48, n=1), Pigeonite (Fs30.1±0.9 Wo8.9±2.7, range Fs29.1-30.7 Wo7.3-12.1, Fe/Mn=50±7, n=3), Augite (Fs14.5 Wo40.1, Fe/Mn=54, n=1), Plagioclase (An96.5±0.6, range An95.4-97.7, n=33).

Classification: Lunar (feldspathic fragmental breccia).

Specimens: 20.2 g at Cascadia; main mass with Matthew Stream.

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:Illizi
Origin or pseudonym:Bordj Omar Driss
Date:2020 Nov 4
Latitude:27°17.65'N
Longitude:07°11.03'E
Mass (g):221
Pieces:many
Class:Lunar (feldsp. breccia)
Shock stage:moderate
Weathering grade:moderate
Fayalite (mol%):39.4±1.6
Ferrosilite (mol%):29.9, 30.1±0.9, 14.5
Wollastonite (mol%):4.0, 8.9±2.7, 40.1
Classifier:D. Sheikh, Cascadia
Type spec mass (g):20.2
Type spec location:Cascadia
Main mass:Matthew Stream
Comments:Submitted by Daniel Sheikh
Institutions
   and collections
Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography:

Algeria
Coordinates:
     Recommended::   (27° 17' 39"N, 7° 11' 2"E)

Statistics:
     This is 1 of 7 approved meteorites from Illizi, Algeria
     This is 1 of 1166 approved meteorites from Algeria (plus 29 unapproved names) (plus 4 impact craters)
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