oceanography pg12.html

File contents

<B><strong>Pacific - Very Long</strong> </U></P
>
<P 
 align="justify"
></B>(1) Peru Chile (2500 miles long) (4124 fathoms long)<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(2) Mindanus Trench (5738 fathoms)<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(3) Marrana Trench (5936 fathoms)<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(4) Tonya Trench (5810 fathoms)<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(5) Ranapo (Japan) (5510 fathoms)<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(6) Vitiog (Marrana 6000 fathoms) not confirmed<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(7) Middle American Trench<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Gulf of Cable to Panama<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Shape<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Shape much<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Sedimentation<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Extent submarine volcano there<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Trenches and Island Arcs - Crustal movement involved - Earthquakes most<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">common in this area, shallow crust quake<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Island arc and volcanoes also<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Lines of Volcanoes parallel trenches arc shaped island also associated gravity pull<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">greater under trenches lies under lands<FONT size="+1"><br>
  <br>
<B><strong>Sea Mount &amp; Griyots </strong></U></P
>
<P 
 align="justify"
></B>Sea mountains &amp; extinct volcano lava cools quickly and gives a very steep slope<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">approximately 100 volcanic (basaltic)<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Griygot - Flat top and terraced sides - can't be explained by volcanism - possibly<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">flat mountains at or near sea level - waves cut summit quickly (ash &amp; scorea)<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Coral reef can add to flat top by growth - also shares a sediment margin but can't<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">find any rimmed coral (Marshalls/ Gilberts on slope)<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Possibility of Submergence<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(1) Subsidy ocean floor and sea level use<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(2) Lava release - gas for H20 ocean floor sand and H20 added (regional<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">subsidence)<FONT size="+1"> </P
><P 
 align="justify"
><U><FONT size="+1"><B><strong>Shelf Study Methods &amp; Instrumentation</strong> </U></P
>
<P 
 align="justify"
></B>(1) Gravimetric<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(2) Magnetometic<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(3) Corers<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(4) Drudges<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">(5) Diving - Lung, Hard Hat<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">30 fathoms average depths (oil area)<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">man 200 feet and (50 fathoms)<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Jacques Cousteau<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Peter Stenurt<FONT size="+1"> </P
><P 
 align="justify"
><U><FONT size="+1"><B><strong>General Info: </strong></U></P
>
<P 
 align="justify"
></B>Average Width = 42 miles<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Average Depth = 72 fathoms<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Average Depth of flat areas = 32 fathoms<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Average slope =10 fathoms per mile<FONT size="+1"> </P
><P 
 align="justify"
><U><FONT size="+1"><strong><B>Dispute of Continual Shelf and off Shore Limits</strong> </U></P
>
<P 
 align="justify"
></B>US - 12 mile (3mile)<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">USSR-<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Peru-<FONT size="+1"> </P
><P 
 align="justify"
><FONT size="+1">Mexico-<FONT size="+1">