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Grand Manan is an island between the Gulf of Maine and the Bay of Fundy, not far off the coast of New Brunswick and Maine. Geologists who are lucky enough to visit Grand Manan know the rocks and structures of the island to be spectacular but challenging, even somewhat bewildering. Solving their mysteries is our goal, and that is partly what makes Grand Manan so interesting. Along with excellent outcrops (especially along the shoreline), its unspoiled scenery and peaceful atmosphere are not surpassed anywhere along the eastern coast of North America. It is a special place.
This web page about the geology of Grand Manan is intended for students, teachers, geologists, and others who appreciate this part of our earth. Please feel free to contact me with questions or comments.
Greg McHone, November 2011
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Note on 26 April 2011: many of these descriptions need updating, as new radiometric dates have shown the eastern rocks to be older than was thought in 2001, while the Mesozoic section now has its own formation and member names. Watch for those changes. Also, we are moving the geology exhibit at the Grand Manan Museum into a new room, with new graphics and displays. Check it out!
