Photo 2. This is a fine example of pillow lava in the Grand Lake Seboeis group, a collection of related rocks exposed north of Baxter Park in the vicinity of Grand Lake Seboeis. These particularly well formed pillows sit nearly upright. See if you can find the rounded tops and concave bottoms that show this. These pillows are around 400 million years old as well. (Photo: R. Marvinney)

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Last updated on October 6, 2005

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