Qingzhen vs Semarkona
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Qingzhen
Qingzhen is an EH3 enstatite chondrite meteorite that fell in Guizhou, China, in 1976. The EH designation places it among high-iron enstatite chondrites, while petrologic type 3 indicates comparatively limited thermal equilibration and the preservation of primitive textures. Its highly reduced mineral assemblage differs markedly from the oxidized material found in many other meteorite groups, maki...
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Semarkona
Semarkona is an LL3.00 ordinary chondrite that fell near Semarkona, India, in 1940. Its minerals experienced exceptionally little thermal metamorphism on their parent asteroid, preserving chondrules, fine-grained material, and other evidence from the early solar system. Researchers use it to investigate primordial water, organic chemistry, magnetic fields, and the processes that formed the first s...
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