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Pillow Basalt

Pillow basalts form when basaltic lava erupts underwater. The lava cools rapidly on all sides forming a pillow shape that can break open and extrude more lava from its interior. This is a characteristic example of pillow basalt, from the Castine Formation.

Location: Condon Point, South Brooksville, Hancock County

Gift of The Vaaland Club

Specimen Sponsorship: $5,000

pillow basalt mmgm

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