New Maine Geologic Fact and Locality Available
In 2023, granitic pegmatite was declared the official State Rock of Maine by the 131st Legislature. The latest Maine Geologic Fact and Locality, Granitic Pegmatite, the State Rock of Maine, discusses how to identify this rock, where to find it, and its importance to Maine.
A photo of granitic pegmatite, the State Rock of Maine, with a crystal of black tourmaline, the State Mineral of Maine, and a bundle of dry white pine needles, the State Tree of Maine.
If you are interested in being a guest author or if you know of an interesting geologic site that you would like MGS to consider visiting and documenting, please email Christian Halsted, Director, Earth Resources Information, Maine Geological Survey, at christian.h.halsted@maine.gov.
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