21471 - NWA Unclassified Chondrite Meteorite H Type 26.2g Polished Section Megistaspidella triangularis Scanning electron microscopy (backscattered electron
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Description
Scanning electron microscopy (backscattered electron mode) images showing the abundance of albite plagioclase and the presence of euhedral amphibole crystals
Elytridium deplanatum
UNM) The etched surface of this pallasite shows approximately 98% of the metal consisting of very fine-grained (<1 μm) plessite
It is the gravel - sandy sediment still strongly adhered and cemented to its surface
filter-feeding appendage of Aegirocassis is considerably more complex and sophisticated than that of Tamisiocaris and may herald a shift in the Early Ordovician to large-scale filter feeding in the oceans
21471 - NWA Unclassified Chondrite Meteorite H Type 26.2g Polished Section Megistaspidella triangularis Scanning electron microscopy (backscattered electronThe authenticity of this specimen is guaranteed by the geologist Juan Avils Poblador, member of International Meteorite Collectors Association (IMCA 5681).
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