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What features of the seafloor are caused by turbidity currents?
Turbidity currents can create features such as submarine canyons, channel-levee systems, and turbidite deposits on the seafloor. These currents transport sediment downslope in the ocean, leading to the erosion and deposition of material that shapes the underwater landscape.
What are turbidites and how are they associated with graded bedding?
Turbidity currents usually originate along the continental slope and continue across the continental rise, still cutting channels. Eventually they lose momentum and come to rest along the floor of the deepest ocean basin. As these currents slow, suspended sediments begin to settle out. First, the coarser sand is dropped, followed by successively finer accumulations of silt and then clay. these deposits, called turbidites, display a decrease in sediment grain size from bottom to top.
Rocks on the ocean floor are an indicator of what?
Regoliths in the Alluvium subcategory, that is loose rocks and soils which cover a layer solid rocks, found on the ocean floor are in part the result of glacial rafting. As a glacier calves into the ocean, it creates ice burgs. Because glaciers are so erosive, they often carry pieces of broken rock within their ice. As they float out to sea, they melt, and drop any debris that they are carrying. These form regoliths known as "drop stones" on the ocean floor, and are indicative of cold conditions. Alluvium may also be from volcanic activity, turbidite, or other weathering events. Rocks exposed on the ocean floor, that are not regoliths, can indicate the direction of magnetic north when that rock formed.
What is a calciturbidite?
A calciturbidite is a turbidite - a sedimentary deposit formed by a turbidity current - composed of calcium carbonate.
Which one of the following would most likely be covered with thick turbidite layers?
Since the following options are not stated a person will not know which would most likely be covered with thick turbidite layers. Including this information would allow a person to know the right answer.
Is A graded bed deposited in a matter of hours is called a turbidite bed?
Yes, a graded bed deposited in a matter of hours is known as a turbidite bed. Turbidites are sedimentary deposits formed by underwater flows called turbidity currents, which transport sediments and deposit them in distinctive graded layers. These layers represent different stages in the flow's velocity and energy, reflecting rapid deposition over a short timescale.
What would be covered with thick turbidite layers?
Thick turbidite layers typically consist of alternating sequences of coarse and fine-grained sediment deposited by underwater turbidity currents. These layers can contain a mix of sand, silt, and clay, as well as fossilized remains of marine organisms. They are often associated with deep-sea environments and can provide valuable information about past geological events.
What has the author Peter A Mitchell written?
Peter A Mitchell has written: 'Genesis of gold vein mineralization in an Upper Cretaceous turbidite sequence, Hope-Sunrise district, southern Alaska' -- subject(s): Gold ores
What type of deposit that results from a turbidity current is a?
The type of deposit that results from a turbidity current is a sediment deposit, or a turbidite. This type of deposit makes the water denser, which makes it sink deeper while the clearer water rises.
What features of the seafloor are caused by turbidity currents?
Turbidity currents can create features such as submarine canyons, channel-levee systems, and turbidite deposits on the seafloor. These currents transport sediment downslope in the ocean, leading to the erosion and deposition of material that shapes the underwater landscape.
What is In a turbite bed?
A turbite bed is a sedimentary rock layer composed of alternating beds of coarse-grained and fine-grained material, typically found in turbidite deposits. Turbidites are formed by underwater turbidity currents transporting sediment and depositing it as distinct layers due to varying flow velocities. These beds often show graded bedding, with larger particles settling first followed by progressively finer grains.
What are some nine letter words with 2nd letter U and 4th letter B and 6th letter D?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 6 words with the pattern -U-B-D---. That is, nine letter words with 2nd letter U and 4th letter B and 6th letter D. In alphabetical order, they are: outbidden outbidder rubbidies surbedded turbidite turbidity
What are some nine letter words with 2nd letter U and 3rd letter R and 4th letter B and 7th letter I?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern -URB--I--. That is, nine letter words with 2nd letter U and 3rd letter R and 4th letter B and 7th letter I. In alphabetical order, they are: surbating turbaries turbidite turbidity
What are some nine letter words with 3rd letter R and 4th letter B and 6th letter D and 7th letter I?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 4 words with the pattern --RB-DI--. That is, nine letter words with 3rd letter R and 4th letter B and 6th letter D and 7th letter I. In alphabetical order, they are: forboding morbidity turbidite turbidity
What are some nine letter words with 1st letter T and 5th letter I and 7th letter I and 8th letter T?
According to SOWPODS (the combination of Scrabble dictionaries used around the world) there are 9 words with the pattern T---I-IT-. That is, nine letter words with 1st letter T and 5th letter I and 7th letter I and 8th letter T. In alphabetical order, they are: tacticity tactility tensility torpidity torridity tortility turbidite turbidity turgidity
