Winona vs EETA79001
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Winona
Winona is a meteorite found near Winona, Arizona, and is the type specimen of the winonaites, a group of primitive achondrites. Winonaites contain silicate minerals mixed with metal and sulfide and show evidence of heating, metamorphism, and partial melting on their parent asteroid. Their mineralogy and oxygen-isotope composition also connect them with silicate inclusions found in IAB iron meteori...
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EETA79001
Elephant Moraine A79001, commonly abbreviated EETA79001, is a Martian shergottite discovered in Antarctica in 1979. Glassy impact-melt inclusions within it contain gases whose elemental and isotopic composition closely matches measurements of the Martian atmosphere made by the Viking landers. That correspondence became crucial evidence that the SNC meteorites originated on Mars, rather than on an...
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