Avie 🦄🦋🌿🌼🌳🗺🔎⚒🔮 on Twitter: "4. Cast/Mold fossil molds: empty space left after organism dissolves. https://t.co/giIVHyT7nw" / Twitter
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Geology Concepts - Cast and mold are a type of fossilization where the physical characteristics of organisms are impressed onto rocks, especially coarse porous rocks such as sandstones.The mineralized impression of the
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