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NARROW
GeoRef Subject
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all geography including DSDP/ODP Sites and Legs
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Dunnage Zone (1)
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Green Mountains (1)
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North America
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Appalachians
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Catskill Mountains (1)
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Northern Appalachians (2)
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United States
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Eastern U.S. (1)
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Maine
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Aroostook County Maine (1)
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Chain Lakes Massif (1)
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Hancock County Maine (1)
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Penobscot County Maine (1)
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Piscataquis County Maine
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Mount Katahdin (6)
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Somerset County Maine (1)
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elements, isotopes
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carbon
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metals
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Primary terms
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diagenesis (1)
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igneous rocks
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plutonic rocks
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gabbros (2)
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granites
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felsite (1)
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volcanic rocks
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basalts
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intrusions (2)
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Invertebrata
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Mollusca
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isotopes
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magmas (1)
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metals
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beryllium
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Be-10 (1)
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aluminum
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Al-26 (1)
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North America
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Appalachians
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Catskill Mountains (1)
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Northern Appalachians (2)
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orogeny (3)
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paleoecology (1)
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paleogeography (2)
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paleomagnetism (1)
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Paleozoic
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Devonian
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sediments
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clastic sediments
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till (1)
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stratigraphy (1)
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tectonics (3)
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United States
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Eastern U.S. (1)
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Maine
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Aroostook County Maine (1)
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Chain Lakes Massif (1)
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Hancock County Maine (1)
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Penobscot County Maine (1)
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Piscataquis County Maine
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Mount Katahdin (6)
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Somerset County Maine (1)
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New England (4)
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New Hampshire (2)
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New York
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Adirondack Mountains (1)
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Vermont (1)
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sedimentary rocks
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flysch (1)
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sedimentary rocks
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chert (1)
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clastic rocks (1)
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sedimentary structures
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sedimentary structures
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bedding plane irregularities (1)
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planar bedding structures
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bedding (1)
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striations (1)
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sediments
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sediments
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clastic sediments
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till (1)
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Piscataquis County Maine
Cold-based Laurentide ice covered New England’s highest summits during the Last Glacial Maximum
Evidence for a ridge subduction event in the Ordovician rocks of north-central Maine
Foreland-forearc collisional granitoid and mafic magmatism caused by lower-plate lithospheric slab breakoff: The Acadian of Maine, and other orogens
An Estuarine Assemblage from the Middle Devonian Trout Valley Formation of Northern Maine
Emsian Synorogenic Paleogeography of the Maine Appalachians
Analysis of Shallow Microearthquakes in the South Sebec Seismic Zone, Maine, 1989–1990
Analysis of small-scale erosional data and a sequence of late Pleistocene flow reversal, northern New England
Reconstructions of mountain glacier profiles, northeastern United States
Chert formation in an Ordovician volcanic arc
Esker characteristics in terms of glacier physics, Katahdin esker system, Maine
Styles of deglaciation in central Maine
The recession of the late Wisconsinan ice sheet from central Maine was characterized by several modes of deglaciation. Below the limit of marine submergence in the Augusta-Skowhegan area, the retreat of the ice margin is documented by end moraines. A DeGeer-type esker system and accompanying marine deltas were deposited in a succession of narrow, topographically controlled zones of stagnant ice that bordered the active ice margin. Immediately inland from the marine limit, glaciofluvial deposits were graded to the sea. Examples occur in the Pleasant, Piscataquis, and upper Kennebec River Valleys. The large volumes of these deposits and the presence of morphosequences suggest that they were derived from active ice standing a short distance inland from the sea. However, in certain areas, as between Dexter and Guilford, melting of large stagnant ice blocks produced little or no waterlaid sediment. Moraines are also present above the marine limit although their significance in determining ice-marginal positions is not well understood. They are particularly characteristic of basins underlain by phaneritic plutonic rocks. Glaciofluvial and lacustrine deposits in northwestern Maine and the deposits of small cirque glaciers on Mt. Katahdin are among the youngest glacial deposits within the study area.