Pumice is a lightweight, bubble-rich rock that can float in water. It is produced when lava goes through rapid cooling and loss of gases. Large "rafts" of the volcanic rock are more likely to form ...
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Trekking Bend’s Fiery Past: 6 Volcanic Hiking TrailsExplore a wide variety of inspiring landscapes just outside of the city. The post Trekking Bend’s Fiery Past: 6 Volcanic ...
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