oceanography pg10.html

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<strong>Why Continental Shelves: </U>
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></B>a. Wave cut vs. wave built terraces<FONT size="+1"> </P
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><FONT size="+1">b. Onto shelf was wave base<FONT size="+1"> </P
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><FONT size="+1">1. Rock out side of wave terraces contradicts that theory (on slope and<FONT size="+1"> </P
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><FONT size="+1">sub-canyons) no wave also<FONT size="+1"> </P
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><FONT size="+1">2. Depth of outer shelf not related to size of existing wave (wave action<FONT size="+1"> </P
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><FONT size="+1">seldom below<FONT size="+1"> </P
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><FONT size="+1">3. Sediment size is so valuable in distribution on outer shelf<FONT size="+1"> </P
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><FONT size="+1">4. Topography of outer shelf is too irregular to be built by wave<FONT size="+1"> </P
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><U><FONT size="+1"><B>Ice Age Sea Level </U></P
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></B>Plastocene Period<FONT size="+1"> </P
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><FONT size="+1">North America &amp; Europe<FONT size="+1"> </P
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><FONT size="+1">(Some Siberia Providence) &amp; Mongolia<FONT size="+1"> </P
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><FONT size="+1">R. H. Flink on Glacial Pleistocean geology (Wiley 1956 / page 258-271) suggests<FONT size="+1"> </P
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><FONT size="+1">glaciation lowered sea level from 250 ~ 500 feet<FONT size="+1"> </P
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><FONT size="+1">Thinifor melting would raise sea level by 250 -500 feet<FONT size="+1"> </P
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><FONT size="+1">(to be more accurate mud lennididge of depth of ice)<FONT size="+1"> </P
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><FONT size="+1">Statement that highlands of Northeast Canada not covered by glacier has been<FONT size="+1"> </P
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><FONT size="+1">refuted partially.<FONT size="+1"> </P
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><FONT size="+1">Norwegian Peninsula / show striae &amp; deposition<FONT size="+1"> </P
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><FONT size="+1">During early and not late glacial period is possible (page 98)<FONT size="+1"> </P
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><U><FONT size="+1"><B>Continental Slope </U></P
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></B>Slope in many places have much greater vertical relief than on land (even K2 ect)<FONT size="+1"> </P
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><FONT size="+1">Mt Everest<FONT size="+1"> </P
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><FONT size="+1">Andes sub = 42000 feet<FONT size="+1"> </P
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><FONT size="+1">Slope is greater 4-7 degrees<FONT size="+1"> </P
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><FONT size="+1">Slope is easily defined from continent shelf if shelf is present because of great<FONT size="+1"> </P
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><FONT size="+1">degree of slope to abyss or continental rise<FONT size="+1"> </P
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><FONT size="+1" color="#000000"></B>Continental borderlands are enterrptions in the slope and use above the abyss or<FONT size="+1"> </P
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><FONT size="+1">rise<FONT size="+1">