Knowledge

Presumpscot Formation

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Terrestrial Fossils in the Marine Presumpscot Formation: implication for late Wiconsinan paleoenvironments and isostatic rebound along the coast of Maine.
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coast and inland along their major river valleys. It consists of primarily silt- and clay-sized particles formed from the glacial abrasion of the
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Thompson, W., and H. Borns,. 1985. "Surficial geologic map of Maine." Augusta, ME: Maine Geological Survey, 1:500,000.
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It was a historically significant resource for the production of brick, though little of that industry remains.
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of the region, carried by glacial meltwater and deposited below sea level before subsequent crust rising (
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remains of marine organisms are found interspersed among the deposits.
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where large amounts of the characteristic blue-gray clay are found.
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of predominantly submarine clays, located along the
125: 103:Glacial-marine deposits of southern Maine 126: 93:Anderson, Miller, Davis, Nelson; 1990. 139:Geologic formations of New Hampshire 13: 14: 150: 112: 84: 1: 77: 134:Geologic formations of Maine 7: 10: 155: 70:found in the clays near 119:Maine Geological Survey 18:Presumpscot formation 53:Presumpscot River 49:isostatic rebound 146: 94: 88: 154: 153: 149: 148: 147: 145: 144: 143: 124: 123: 115: 98: 97: 89: 85: 80: 72:Portland, Maine 25:glacial deposit 12: 11: 5: 152: 142: 141: 136: 122: 121: 114: 113:External links 111: 110: 109: 106: 101:Barker, 2011, 96: 95: 82: 81: 79: 76: 9: 6: 4: 3: 2: 151: 140: 137: 135: 132: 131: 129: 120: 117: 116: 107: 104: 100: 99: 92: 87: 83: 75: 73: 69: 65: 62: 60: 56: 54: 50: 46: 42: 38: 34: 33:New Hampshire 30: 26: 23: 19: 102: 90: 86: 66: 63: 57: 17: 15: 22:Pleistocene 128:Categories 78:References 59:Fossilized 20:is a late 37:feldspars 68:Pollen 43:, and 41:quartz 45:micas 29:Maine 31:and 16:The 130:: 39:, 105:.

Index

Pleistocene
glacial deposit
Maine
New Hampshire
feldspars
quartz
micas
isostatic rebound
Presumpscot River
Fossilized
Pollen
Portland, Maine
Maine Geological Survey
Categories
Geologic formations of Maine
Geologic formations of New Hampshire

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