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Tuesday, 25 June 2013 15:00

Biogenous Featured

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Biogenous 


 Type

             The type of marine sediment I would like to study is the Biogenous sediments.  This type of sediment is formed by the insoluble decomposition of the remains of past plants and life forms such as teeth and bones. They can be found in the shallow waters, and most of the sediments are formed from the shells fragments remains and from other sea creatures, like the corals. In the deep sea, there is little concentration of such life forms. This means that the bigenous sediments are made from the microscopic shells comprising of the deposits from tiny planktons, animals and plants.  These life forms live on the water surface and but find their way to the bottom or the floor of the ocean. I would be interested to study the Biogenous sediments because I will explore the underwater world. They are a common kind of sediments found at the sea floor.   This is the type of sediment with organic carbon that contains free energy with depositional sediment. I will be able to calculate the annual accumulation of this bigenous substance found at the sea floor in order to determine the ton of carbonate supply on a yearly basis.  


 Meteorite.

               In the search for a meteorite, I have to search for fusion crusts.  This is on the dark surface that has flowing lines and it is formed from heat friction when the meteorite lands on the earth’s atmosphere. The meteorite should have metal built sometimes has a mixture of silicate material. The stronger the magnetic force the higher the metal component. I should look for rocks which appear rusty but should be heavier than the normal rocks. Some places where I can find meteorite include Strewn Filed, Deserts, and craters.


 Evaporates of the Mediterranean Sea.

            The evaporated sedimentary structures from the Mediterranean sea show the origin of the sabkha environments.  the sediments immediately above and below the Mediterranean evaporates do contain benthonic fossils from the deep-waters.  It is believed by geologists that the evaporates were deposited in other deep basins that existed in the past. 


 Reference

  Hsu, K, Stoffers P, & Ross D (1978) Messinian evaporates from the Mediterranean and Red Seas.  Vol. 26, p 71-72


 

Last modified on Tuesday, 25 June 2013 15:07
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