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Wadi Mellene
Wadi Mellene
Found Sahara, 2001-2002
Chondrite
L3.8-6
(Found by Michel Franco 2001-2002)
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Classification: Chondrite : L3.8-6, S2, W1
Macroscopic Aspect : Nearly complete brown greenish fusion crust. About 60%25 chondrules, from one mm to nearly 50 microns, grey and white in a slightly oxydized matrix. Numerous clasts (about 5-10%25 vol, but this is only a guess due to statistical considerations) of several types. 1) some dark to light grey and angular from a few mm to several cm. 2) brown and irregular 3) Angular dark-brown from a few mm to a few tenths of mm. Metal and sulfide occur as spot of a few mm to a few tenths of mm. Conspicuous signs of oxydation.
Mineralogy: olivines Fo 74 ±2 (68-86), pyroxenes Mg#77±5 (68-86). Numerous clasts of small size (a few mm or less) some of which dark and nearly opaque others sub-opaques or well cristallized without matrix with broken chondrules some of small size and made up of matrix. Typical porphyric chondrules, a few barred chondrules, sometimes broken. Some devitrified partially vitrous. Metal and sulfides partly oxydized. |
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| Sahara 02500 |
| Basic information |
Name: Sahara 02500
This is an OFFICIAL meteorite name.
Abbreviation: There is no official abbreviation for this meteorite.
Observed fall: No
Year found: 2001
Country: (Sahara)
Mass: 410.9 kg
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Classification
history: |
This is 1 of 704 approved meteorites classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
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| Comments: |
Revised 18 Jun 2007: Coords were incorrect; deleted |
Data from:
MB88
Table 1
Line 11: |
| Date: |
2001-2002 |
| Latitude: |
llb°28'029-02'198 |
| Longitude: |
llb°03'252-50'543 |
| Mass (g): |
410850 |
| Pieces: |
many |
| Class: |
L3 |
| Shock stage: |
S2 |
| Weathering grade: |
W1 |
| Fayalite (mol%): |
26+/-2 |
| Classifier: |
A. Jambon, UPMCPa |
| Type spec mass (g): |
650 |
| Type spec location: |
26.25g and 62.09g, P. Gillet, ENSL, 516.16g, 19.07g and 26.45g, UPMCPa |
| Main mass: |
410 kg, Caillou Noir |
| Comments: |
[note from database editor: these coordinates are in a secret code known only to M. Franco] | |
Institutions
and collections |
ENSL: Ecole Normale Supérieure de Lyon, Laboratoire de Sciences de la Terre, 46 allée d'Italie 69364 Lyon Cedex, France (institutional address; updated 27 Feb 2011)
Caillou Noir: Caillou Noir 100 Chemin des Campenes, 74400 Chamonix, France; Website (private address) | |
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