21454 - Almost Complete NWA Unclassified Ordinary Chondrite Meteorite 912.6g Cephalopods for his fiftieth birthday (March

for his fiftieth birthday (March 1999)

Some of them have glued and tiny filled fractures

They similar features are acquired independently in different species because probably they had similar feeding methods

Argillochelys africana Tong & Hirayama

Submitted by K

21454 - Almost Complete NWA Unclassified Ordinary Chondrite Meteorite 912.6g Cephalopods for his fiftieth birthday (MarchThese meteorites were found in the Saharan Desert in Northwest Africa, likely by nomads. In order to classify them it would be necessary to cut off a section for analysis. Although they are exceedingly rare when compared to terrestrial rocks, these are the most abundant type of meteorite and are referred to as common chondrites. H and L (designating the amount of metal contained) type chondrites have been already extensively studied. Composed largely