Although commonly called manganese nodules they generally contain more iron than manganese but do constitute the largest known resource of manganese.
Geological resources in the ocean floor.
Compare both have plants hills feel.
Geological oceanography is the study of earth beneath the oceans.
Marine geology or geological oceanography is the study of the history and structure of the ocean floor.
The deep ocean floor contains extremely large quantities of nodules ranging from centimeters to decimeters in diameter that is from less than an inch to several inches.
Resources within the ground are difficult to quantify.
Whether this is true or not the important point is that the ocean floor is covered with an average of nearly 4 000 m of water and it s pitch black below a few hundred metres so it s not easy to discover what is down there.
The various resources are summarized in table 10 1.
View essay ocean floor pdf from sci 101 at georgia virtual school.
This graphic shows several ocean floor features on a scale from 0 35 000 feet below sea level.
We shall briefly treat the geologic background for seafloor resources here with some mention of the economic and the political problems associated with the use of the sea floor.
Many of the figures given are rather crude guesses.
It is said that we know more about the surface of the moon than the floor of the oceans.
Marine geological studies were of extreme importance in providing the critical evidence.
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.
A geological oceanographer studies the topography structure and geological processes of the ocean floor to discover how the earth and oceans were formed and how ongoing processes may change them in the future.
Compare and contrast the geological features of the continents and the ocean floor.