Exploring the geology of islands in Casco Bay, off the coast of Maine by sailboat, August 1-8th, 2020 Published September 11, 2020 by admin Metamorphosed fine grained layers, Sandstone, mudstone are the players. ` ‘’’’’’’’’ Stacked up, then vertical tilting,` Precambrian, plates drifting. ’’’’’’’” Thin sediments, stacked, striped and caked… Continue readingExploring the geology of islands in Casco Bay, off the coast of Maine by sailboat, August 1-8th, 2020 Leave a Comment