Chassigny vs Lafayette
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Chassigny
Chassigny is a Martian meteorite that fell near Chassigny, France, in 1815. It is composed predominantly of olivine-rich dunite and gives its name to the chassignites, a rare group within the SNC meteorites from Mars. Researchers study its minerals, isotopes, and trapped gases to investigate the Martian mantle, the crystallization of igneous rocks, and the geological history recorded by material e...
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Lafayette
Lafayette is a nakhlite, a type of igneous meteorite identified as originating on Mars. It was recognized in the collection of Purdue University in Indiana by 1931, although the circumstances and date of its arrival on Earth remain uncertain. Studies of alteration minerals within it, including clay and carbonate phases, have provided evidence that its Martian parent rock interacted with liquid wat...
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