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Abstract: | View of impactites surrounding the Haughton River valley from atop an impact melt rock outcrop at the Haughton impact structure, Nunavut, Canada. The inset on the left is a calcite‐marcasite vug formed in the post‐impact hydrothermal system and later weathered at low temperatures. A Landsat context image in the lower left shows the location of the vug within the impact structure. For details, see the article by Rebecca Greenberger et al. on p. 2274. |
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