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Hassi Rtiem 001
Basic information Name: Hassi Rtiem 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:help 235 g
Classification
  history:
Recommended:  Eucrite-mmict    [explanation]

This is 1 of 261 approved meteorites classified as Eucrite-mmict.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 29 May 2021
Writeuphelp
Writeup from MB 110:

Hassi Rtiem 001        27°53’56.7’’N, 9°23’14.9’’W

South, Morocco

Purchased: 2021 Jan

Classification: HED achondrite (Eucrite, monomict)

History: Purchased from a moroccan mineral dealer. Found in Morocco in October 2019.

Petrography: (K. Metzler, IfP) Achondritic breccia, consisting of mm-sized eucritic lithic clasts with ophitic to subophitic textures and monomineralic fragments (pyroxene, plagioclase) set in a fine-grained clastic matrix of related debris. Low-Ca pyroxene shows augite exsolution lamellae. Accessories are a silica polymorph, ilmenite, chromite, troilite, and some Ni-free metal.

Geochemistry: Mineral compositions and geochemistry: Low-Ca pyroxene (host): Fs52.9±0.9 Wo2.5±0.3 (Fs51.2-54.0 Wo2.0-2.8); mean Fe/Mn (at.): 33; n=15. Ca-rich pyroxene (exsolution lamellae) Fs23.7±1.0 Wo42.1±0.8 (Fs22.2-25.2 Wo41.0-43.2); mean Fe/Mn (at.): 33; n=10. Plagioclase An85.2±4.8 Or0.0±1.7 (An78.3-91.1 Or0.0-1.7); n=13.

Classification: Monomict eucrite, based on texture, mineralogical composition, and mineral chemistry.

Data from:
  MB110
  Table 0
  Line 0:
State/Prov/County:South
Place of purchase:Morocco
Date:P 2021 Jan
Latitude:27°53'56.7''N
Longitude:9°23'14.9''W
Mass (g):235
Pieces:1
Class:Eucrite-mmict
Shock stage:M-S1
Weathering grade:Low
Ferrosilite (mol%):52.9±0.9; 23.7±1.0
Wollastonite (mol%):2.5±0.3; 42.1±0.8
Classifier:K. Metzler, IfP
Type spec mass (g):20
Type spec location:IfP
Main mass:Meteorite Museum & Shop, Stephan Decker, Oberwesel, Germany
Comments:Submitted by K. Metzler, IfP
Institutions
   and collections		 IfP: Institut für Planetologie, Wilhelm-Klemm-Str. 10, 48149 Münster, Germany (institutional address; updated 23 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Geography:

Morocco
Coordinates:
     Recommended::   (27° 53' 57"N, 9° 23' 15"W)

Statistics:
     This is 1 of 31 approved meteorites from South, Morocco
     This is 1 of 1852 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater)
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