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Octahedrite
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Geliefert zwischen Do., 20.11.2025 und Fr., 21.11.2025
Details
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Octahedrites are the most common class of iron meteorites. They are composed primarily of the nickel-iron alloys: taenite - high nickel content, and kamacite - low nickel content. Due to a long cooling time in the interior of the parent asteroids, these alloys have crystallized into intermixed millimeter-sized bands (from about 0.2 mm to 5 cm). When polished and acid etched the classic Widmanstätten patterns of intersecting lines of lamellar kamacite, are visible. In gaps between the kamacite and taenite lamellae, a fine-grained mixture called plessite is often found. An iron nickel phosphide, schreibersite, is present in most nickel-iron meteorites, as well as an iron-nickel-cobalt carbide, cohenite. Graphite and troilite occur in rounded nodules up to several cm in size.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786131272936
- Genre Geowissenschaften
- Editor Lambert M. Surhone, Mariam T. Tennoe, Susan F. Henssonow
- Anzahl Seiten 92
- Herausgeber Betascript Publishing
- Größe H220mm x B220mm
- EAN 9786131272936
- Format Fachbuch
- Titel Octahedrite
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