Brachina vs Lafayette
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Brachina
Brachina is a meteorite found in South Australia in 1974 and is the type specimen of the brachinites, a group of primitive achondrites. It is composed predominantly of olivine, accompanied by smaller amounts of pyroxene, plagioclase, chromite, metal, and sulfide. Its texture and chemistry record extensive thermal processing and partial melting on a differentiated asteroid while preserving some com...
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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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