Phsiographic Features Ocean Floor

Which of the following is not true of deep ocean trenches.

Phsiographic features ocean floor. Ocean floor with mean depth of 3800 m 71 of earth surface area. Ocean depth versus continental height why do we have dry land. The floor of the atlantic has an average depth of c 12 000 ft 3 660 m. Part of the floor c 3 000 ft 910 m deep is known as telegraph plateau because of the network of cables laid there.

A trough is a gently sloping depression in the ocean floor. They are geologically very stable. Land with a mean elevation of 840 m 29 of earth surface area. The following features are shown at example depths to scale though each feature has a considerable range at which it may occur.

Solid surface of earth is dominated by two levels. A number of major features of the basins depart. This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level. Ocean basin any of several vast submarine regions that collectively cover nearly three quarters of earth s surface.

Preliminary surveys conducted by proarea on the rio grande rise a physiographic feature with a relief amplitude of up to 3 500 m on the ocean floor and located about 1 100 km from the coast of the rio grande do sul state brazil indicate the presence in this location of cobalt rich ferromanganese crusts of relevant scientific and. Which of the following are not associated with a mid ocean ridge. A shallow submarine ridge across the strait of gibraltar separates the. Together they contain the overwhelming majority of all water on the planet and have an average depth of almost 4 km about 2 5 miles.

What physiographic feature of the ocean floor lies at the base of the continental slopes. Continental shelf 300 feet continental slope 300 10 000 feet abyssal plain 10 000 feet abyssal hill 3 000 feet up from the abyssal plain seamount 6 000 feet. If earth were smooth depth of oceans would be 2900 m over the entire globe. It is separated from that of the arctic ocean by a submarine ridge extending from se greenland to n scotland.

With which of the following oceanic features are black smokers associated. Why are mid ocean ridges elevated compared to the surrounding ocean floor. A trench is a long deep depression in the ocean floor. Ocean trenches are long narrow steep sided depressions found on the ocean floor that contain the greatest depths in the ocean 11 000 meters western pacific.

Define on a whiteboard the terms below creating a key using a different color to represent each term. 3 in the atlantic ocean 1 in the indian ocean and 22 in the pacific ocean figure 10p 3. Explain that geologists and oceanographers often use different terms for ocean floor formations and terrestrial formations.