Meteorite Abadla 004 – Algeria
Meteorite type: Primitve achondrite / Winonaite
Locality: Bechar, Algeria
Weight: 2,4g
Dimensions: 1,4 x 1,1 x 0,9 cm
Year of found: 2023
Total known weight: 1650g
Surface treatment: none – raw
Packaging: Transparent plastic box (5,8 x 3,8 x 1,6 cm)
| Category: | Abadla 004 |
|---|---|
| By name: | Abadla 004 |
| ? Type: | Stony |
| Subspecies: | Achondrite |
| ? Surface treatment: | Natural (raw) |
| Packaging: | In box |
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Meteorite Abadla 004 – Rare Primitive Achondrite of the Winonaite Type
Abadla 004, discovered in 2023 near the city of Bechar, Algeria, belongs to the rare category of primitive achondrites, specifically the winonaite group. Its composition is similar to chondrites, particularly H and E types. These meteorites show signs of metamorphism, partial melting, brecciation, and often contain relict chondrules, characteristic of their chemical and mineralogical composition lying between H and E chondrites.
The total mass of Abadla 004 is approximately 1.65 kg, with typical mineral grain sizes ranging from 200 to 500 micrometers. It also contains inclusions of troilite, schreibersite, and daubreelite. The meteorite exhibits clear shock features, indicating exposure to high pressures and temperatures during its origin or journey through space.