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Tanezrouft 095
Basic information Name: Tanezrouft 095
     This is an OFFICIAL meteorite name.
Abbreviation: Tnz 095
Observed fall: No
Year found: 2023
Country: Algeria
Mass:help 1040 g
Classification
  history:
Recommended:  R3-5    [explanation]

This is 1 of 27 approved meteorites classified as R3-5.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 3)
Comments: Approved 16 Jan 2024
Writeuphelp
Writeup from MB 113:

Tanezrouft 095 (Tnz 095)        24°57’48’’N, 0°58’59’’E

Adrar, Algeria

Purchased: 2023 Aug 1

Classification: Rumuruti chondrite (R3-5)

History: Reportedly found on September 2, 2018, in the Tanezrouft DCA in Algeria.

Petrography: (K. Metzler, IfP) Chondritic breccia, consisting of light and dark chondritic clasts, embedded in a matrix of isolated chondrules and chondritic debris. Dark clasts represent chondritic lithologies of type 3, light clasts are metamorphosed and belong to the petrologic type 5.

Geochemistry: Mineral compositions and geochemistry: Clasts of petrologic type 3: Mean olivine composition: Fa14.2±6.0 (Fa4.0-22.7); n=12; mean low-Ca pyroxene composition Fs10.5±8.7Wo1.4±1.0 (Fs1.1-20.7Wo0.4-3.4); n=13. Clasts of petrologic type 5: Mean olivine composition: Fa38.8±0.3 (Fa38.4-39.2); n=8; mean low-Ca pyroxene composition Fs29.8±0.5Wo1.3±0.9 (Fs28.9-30.7Wo0.6-3.4); n=8.

Classification: R chondrite based on mineral chemistry. Genomict breccia, consisting of clasts of petrologic type 3 (unequilibrated olivine and pyroxene) and type 5 (equilibrated olivine and pyroxene).

Data from:
  MB113
  Table 0
  Line 0:
State/Prov/County:Adrar
Place of purchase:Mauritania
Date:P 2023 Aug 1
Latitude:24°57'48''N
Longitude:0°58'59''E
Mass (g):1040
Pieces:1
Class:R3-5
Shock stage:C-S1
Weathering grade:moderate
Fayalite (mol%):14.2±6.0; 38.8±0.3
Ferrosilite (mol%):10.5±8.7; 29.8±0.5
Wollastonite (mol%):1.4±1.0; 1.3±0.9
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. 113, in preparation (2024)
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Photos:
CreditPhotos
Public domain photographs:
Knut Metzler      
Geography:

Algeria
Coordinates:
     Recommended::   (24° 57' 48"N, 0° 58' 59"E)

Statistics:
     This is 1 of 210 approved meteorites from Adrar, Algeria (plus 1 unapproved name)
     This is 1 of 1402 approved meteorites from Algeria (plus 33 unapproved names) (plus 4 impact craters)
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