David Weir: Meteorite Studies

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NWA 6928

DiogeniteDiogenites belong to the evolved achondrite HED group that also includes howardites and eucrites. They [...]

NWA 5492

ChondriteChondrites are the most common meteorites accounting for ~84% of falls. Chondrites are comprised mostly [...]

NWA 5790/6148

Martian NakhliteOne of the Martian SNC meteorites, nakhlites are basaltic cumulate clinopyroxenite rocks, and most [...]

NWA 5400

AchondriteAn achondrite is a type of stony meteorite whose precursor was of chondritic origin and [...]

NWA 5312

Diogenite Olivine–OrthopyroxeniteA rock composed primarily of orthopyroxene. Non-terrestrial orthopyoxenites include diogenites and a single martian [...]

NWA 5789

Martian ShergottiteIgneous stony meteorite with a Martian origin consisting mainly of plagioclase (or a shocked [...]

NWA 5804

Iron, IAB-ungrouped Purchased 2005 no coordinates recorded An unusual looking 726 g iron mass lacking [...]

NWA 5297

Meta-LL Possibly brachinite-related (Primitive achondriteAchondrite with an almost chondritic composition with age similar to the [...]

NWA 5131

CR7 or Meta-CR (LL7 in MetBull 97) Found 2007 no coordinates recorded A single stone [...]

NWA 4969

Brachinite Found 2007 no coordinates recorded A portion of a fresh, fusion-crusted stone weighing 180 [...]