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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 291 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Denis gourgues   
Robert Smart   
Ryan Upchurch   
Geography:

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

Statistics:
     This is 1 of 8 approved meteorites from Illizi, Algeria
     This is 1 of 1250 approved meteorites from Algeria (plus 29 unapproved names) (plus 4 impact craters)
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