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Placer occurrences (Yanshan meteorite), Yan Mts (Yanshan Mts), Chengde Prefecture, Hebei Province, China

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Placers in the Yanshan area (which are otherwise composed of chromite, ilmenite, zircon, gold, PGE minerals, etc.) have been found to contain abundant spheres of "iron", typically 0.1-0.5 mm in size, which consist of an outer shell of magnetite, wüstite and maghemite and an inner shell of kamacite and taenite. In addition, some spheres have a core which is composed of gupeiite and xifengite.

Mineral List

14 entries listed. 12 valid minerals. 2 (TL) - type locality of valid minerals.

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Zuxiang Yu (1984): Two new minerals Gupeiite and Xifengite in cosmic dusts from Yanshan. Acta Petrologica Mineralogica et Analytica 3(3), 231-240 (in Chinese with English abstract).

Mineral and/or Locality  
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