What key evidence distinguishes an impact site from a caldera upon terrestrial study?

Answer

Impact sites show brecciation and melt sheets, while calderas show associated igneous rock layers

Impact sites display shattering (brecciation) and melt sheets resulting from instantaneous shock compression, whereas calderas, formed by volcanic collapse, will feature igneous rock layers formed by lava flows.

What key evidence distinguishes an impact site from a caldera upon terrestrial study?

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