New Maine Geologic Fact and Locality Available
The latest Maine Geologic Fact and Locality, Clark Island Preserve in St. George, takes us to the east side of the island to view some unique bedrock features in a picturesque coastal setting. Guest contributor Myles Felch of the Maine Mineral and Gem Museum describes exposures of the Spruce Head Pluton, prominent dikes, dramatic pillow structures, and a once-productive granite quarry.
 Photo of world class bimodal magma commingling textures along the eastern shore of Clark Island.
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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