Katahdin and neighboring peaks in Baxter State Park, and Sugarloaf Mountain and other nearby peaks in western Maine. Songo River delta and Songo Beach, Sebago Lake State Park, Naples. Home | As suggested earlier, the Penobscot River has a hand in eroding the esker’s eastern side and consequently, material from the esker has moved a significant distance upstream on the same side. Figure 5 shows this "highstand" of relative sea level, which occurred when global sea level was actually lower than today (because so much water was still tied up in glaciers). Stone, B. D., and Borns, H. W., Jr., 1986, Pleistocene glacial and interglacial stratigraphy of New England, Long Island, and adjacent Georges Bank and Gulf of Maine, in Sibrava, V., Bowen, D. Q., and Richmond, G. M. (editors), Quaternary glaciations in the northern hemisphere: Quaternary Science Reviews, v. 5, p. 39-52. : Geological Society of America, Bulletin, v. 111, no. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. The Ridge Road follows the esker. Surficial geology of the state was obtained from a data set mapped out by the Maine Geological Survey in 1987. Subscribe         As the process of erosion continues, the esker will continue to yield its treasures to the elements. For detailed information on Maine eskers, consult The Glacial Gravels of Maine and Their Associated Deposits (a monograph of the USGS, Volume 34), George H. Stone. The flat delta top marks approximate former sea level. —Bangor Daily News, The town of Aurora is home to two geologic features created by ancient glaciers. This esker, reachable by road, has especially steep sides and in places, would give an acrophobe shivers. There's a problem loading this menu right now. Maine's esker systems are among the largest in the country; they can be traced for up to 100 miles. It is about 100 feet long and estimated to weigh 8,000 tons. Groups of identified moraine and esker … As the glacier slowly swept across Mount Kineo, it treated the mountain’s north-facing side quite gently. One well-known esker, and one that most everyone who has ever driven on Route 9, “The Airline” has probably seen, is called The Whalesback, located 5 miles east of Amherst. To view the content in your browser, please download Adobe Reader or, alternately, This resulted from uplift of the Earth's crust after the weight of the ice sheet was removed. The ice margin withdrew from the Gulf of Maine to the present position of the Maine coast by 17,000 to 16,000 years ago (Borns and others, 2004). These hills and valleys were sculpted by glacial erosion. There was a problem loading your book clubs. > There was an error retrieving your Wish Lists. The Littleton Esker is west of U.S. Route 1 just north of the Littleton-Houtlon town line. Eskers often extend a great distance. Layered Presumpscot silts and clays are seen in this exposure in the Pleasant River valley near Windham Center. Thompson, W. B., 1982, Recession of the Late Wisconsinan ice sheet in coastal Maine, in Larson, G. J., and Stone, B. D. (editors), Late Wisconsinan glaciation of New England: Kendall/Hunt, Dubuque, p. 211-228. Browse topics related to the bicentennial. The landforms and sedimentary deposits resulting from marine submergence are among the most distinctive glacial features in the state. Kaplan, M. R., 1999, Retreat of a tidewater margin of the Laurentide ice sheet in eastern coastal Maine between ca. Please … DACF@Maine.gov, Department of Agriculture, Conservation and Forestry, Shells of clams, mussels, and other invertebrates. Katahdin: Maine Geological Survey, Bulletin 12, 57 p. Davis, R. B., and Jacobson, G. L., Jr., 1985, Late-glacial and early Holocene landscapes in northern New England and adjacent areas of Canada: Quaternary Research, v. 23, p. 341-368. > *FREE* shipping on qualifying offers. The grooves and shape of the ledge indicate ice flow toward the southeast. They have branching patterns due to the glacial tunnels having converged toward the southern edge of the ice sheet. Eskers in Maine (Planning report / Maine Critical Areas Program), Maine Critical Areas Program (January 1, 1979). Aerial view of glacial cirque basins on Mt. The beach, as she knew it as a child, appears very much different.

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