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The Quaternary Geologic Map of the Lake Erie 4� x 6� Quadranglewas mapped as part of the Quaternary Geologic Atlas of the United States.The atlas was begun as an effort to depict the areal distribution ofsurficial geologic deposits and other materials that accumulated orformed during the past 2+ million years, the period that includes allactivities of the human species. These materials are at the surface ofthe earth. They make up the "ground" on which we walk, the "dirt" inwhich we dig foundations, and the "soil" in which we grow crops. Mostof our human activity is related in one way or another to these surfacematerials that are referred to collectively by many geologists asregolith, the mantle of fragmental and...
Tags: 26011 = Arenac, 26017 = Bay, 26049 = Genesee, 26063 = Huron, 26087 = Lapeer, All tags...
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The surficial geologic map of the Eastern and Central United Statesdepicts the areal distribution of surficial geologic deposits and othermaterials that accumulated or formed during the past 2+ million years,the period that includes all activities of the human species. Thesematerials are at the surface of the earth. They make up the "ground"on which we walk, the "dirt" in which we dig foundations, and the �soil�in which we grow crops. Most of our human activity is related in oneway or another to these surface materials that are referred tocollectively by many geologists as regolith, the mantle of fragmentaland generally unconsolidated material that overlies the bedrockfoundation of the continent. The map is based...
Tags: Alabama, Allegheny Plateau, Alluvium, Appalachian Plateau, Arkansas, All tags...
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During the late Wisconsin glaciation (circa 26,000-13,000 carbon-14 yrBP) the Cordilleran glacier complex formed vast ice fields and largeglaciers along the crest of the Coast Mountains. As these glaciersflowed west to the Pacific Ocean, they were joined by local glaciersoriginating on the higher reaches of the Alexander Archipelago (Mannand Hamiltion, 1995). This extensive volume of ice was channeled intodeep troughs (present-day fiords) that formed major outlet glaciers,such as the glaciers that occupied Chatham Strait and Dixon Entrance.In several places along the coast, deep glacially scoured submarinetroughs indicate that glaciers reached to the edge of the continentalshelf. For instance, the glacier that extended...
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The Quaternary Geologic Map of the Lake Superior 4° x 6° Quadrangle was mapped as part of the Quaternary Geologic Atlas of the United States. The atlas was begun as an effort to depict the areal distribution of surficial geologic deposits and other materials that accumulated or formed during the past 2+ million years, the period that includes all activities of the human species. These materials are at the surface of the earth. They make up the "ground" on which we walk, the "dirt" in which we dig foundations, and the "soil" in which we grow crops. Most of our human activity is related in one way or another to these surface materials that are referred to collectively by many geologists as regolith, the mantle of...
Categories: Web Site; Tags: 26003 = Alger, 26009 = Antrim, 26011 = Arenac, 26013 = Baraga, 26019 = Benzie, All tags...
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The Quaternary Geologic Map of the Lake Superior 4� x 6� Quadranglewas mapped as part of the Quaternary Geologic Atlas of the United States.The atlas was begun as an effort to depict the areal distribution ofsurficial geologic deposits and other materials that accumulated orformed during the past 2+ million years, the period that includes allactivities of the human species. These materials are at the surface ofthe earth. They make up the "ground" on which we walk, the "dirt" inwhich we dig foundations, and the "soil" in which we grow crops. Mostof our human activity is related in one way or another to these surfacematerials that are referred to collectively by many geologists asregolith, the mantle of fragmental...
Tags: 26003 = Alger, 26009 = Antrim, 26011 = Arenac, 26013 = Baraga, 26019 = Benzie, All tags...
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The Quaternary Geologic Map of the Chicago 4� x 6� Quadranglewas mapped as part of the Quaternary Geologic Atlas of the United States.The atlas was begun as an effort to depict the areal distribution ofsurficial geologic deposits and other materials that accumulated orformed during the past 2+ million years, the period that includes allactivities of the human species. These materials are at the surface ofthe earth. They make up the "ground" on which we walk, the "dirt" inwhich we dig foundations, and the "soil" in which we grow crops. Mostof our human activity is related in one way or another to these surfacematerials that are referred to collectively by many geologists asregolith, the mantle of fragmental and generally...
Tags: 17007 = Boone, 17011 = Bureau, 17015 = Carroll, 17017 = Cass, 17019 = Champaign, All tags...


    map background search result map search result map Quaternary Geologic Map of the Lake Superior 4° x 6° Quadrangle, United States and Canada Quaternary Geologic Map of the Chicago 4� x 6� Quadrangle, United States Quaternary Geologic Map of the Lake Erie 4� x 6� Quadrangle,United States and Canada Quaternary Geologic Map of the Lake Superior 4� x 6� Quadrangle,United States and Canada Surficial deposits and materials in the eastern and central UnitedStates (east of 102 degrees west longitude) Map of glacial limits and possible refugia in the southernAlexander Archipelago, Alaska, during the late Wisconsin glaciation Map of glacial limits and possible refugia in the southernAlexander Archipelago, Alaska, during the late Wisconsin glaciation Quaternary Geologic Map of the Lake Superior 4° x 6° Quadrangle, United States and Canada Quaternary Geologic Map of the Chicago 4� x 6� Quadrangle, United States Quaternary Geologic Map of the Lake Erie 4� x 6� Quadrangle,United States and Canada Quaternary Geologic Map of the Lake Superior 4� x 6� Quadrangle,United States and Canada Surficial deposits and materials in the eastern and central UnitedStates (east of 102 degrees west longitude)