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Dar al Gani 975 | |||||||||||||||||
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Basic information | Name: Dar al Gani 975 This is an OFFICIAL meteorite name. Abbreviation: DaG 975 Observed fall: No Year found: 1999 Country: Libya Mass: ![]() | ||||||||||||||||
Classification history: |
This is 1 of 300 approved meteorites (plus 2 unapproved names) classified as Martian (shergottite). [show all] Search for other: Martian meteorites | ||||||||||||||||
Writeup![]() |
Writeup from MB 87:
Dar al Gani 975 Libya Found 1999 August 21 Martian meteorite (basaltic shergottite) A 27.55 g stone was found on 1999 August 21 in the sand desert of Dar al Gani. Classification and mineralogy (A. Greshake, MNB; M. Kurz, Kurz): a basaltic shergottite with porphyritic texture; large chemically zoned olivine phenocrysts are set into a fine-grained groundmass consisting mostly of pyroxene and maskelynite; minor phases include chromite, Ti-rich chromite, sulfides, phosphates, and small Fe-rich olivines; olivine phenocrysts contain melt inclusions, small chromites and exsolution lamellae; pyroxenes are mostly chemically zoned pigeonites, some contain orthopyroxene cores; olivine phenocrysts, Fa24.3–38.3; pigeonite, Fs21.1–29Wo5.9–13.8; orthopyroxene, Fs17.4–21.8Wo1.8– 3.4; augite, Fs18.5Wo34; matrix olivine, Fa35.9–39.8; maskelynite, An66.5–71.4; shock stage, S4; contains melt veins and melt pockets; low degree of weathering. Possibly paired with DaG 476, 489, 670, 735 and 876. Specimens: main mass with anonymous finder; type specimen, 8.5 g, plus one polished thin section MNB. | ||||||||||||||||
Data from: MB87 Table 7 Line 49: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) Kurz: M. Kurz, Schillerstrasse 7, D-34626 Neukirchen, Germany (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 87, MAPS 38, A189-A248 (2003)
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Geography:![]() |
Statistics: This is 1 of 1046 approved meteorites from Al Jufrah, Libya This is 1 of 1540 approved meteorites from Libya (plus 23 unapproved names) (plus 2 impact craters) | ||||||||||||||||
Proximity search: |