08924 -Top Rare NWA IMB Impact Melt Breccia Chondrite Meteorite Polished Section 57.9 g Edrioasteroids Its preservation is exceptional

Its preservation is exceptional

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

which is usually the only thing that is preserved

Waucoban Series

Some phenocrysts show reaction rims

08924 -Top Rare NWA IMB Impact Melt Breccia Chondrite Meteorite Polished Section 57.9 g Edrioasteroids Its preservation is exceptionalBeautiful example of a huge polished 120. 4 g section of this rare type of Chondrite Impact Melt Breccia. The authenticity of this specimen is guaranteed by the geologist Juan Avils Poblador, member of International Meteorite Collectors Association (IMCA 5681). Impact melt breccias are the result of a major shock between asteroids and parent bodies. They can be of a chondritic or an achondritic source, they range from simple shock veins up to complete