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As one approaches a continent from the ocean, sediments change primarily due to the transition from marine to terrestrial environments. In deeper ocean areas, sediments are often fine-grained and composed of organic materials and planktonic organisms. However, as you near the coast, sediments become coarser and are influenced by riverine inputs, erosion, and coastal processes, resulting in a mixture of sand, silt, and clay. Additionally, factors like wave action and tidal currents further shape sediment composition and distribution along the continental shelf.
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Why do sediments change character as the continent is approached?
As sediments approach a continent, they typically change character due to various geological and environmental processes. Near the shore, sediments are often coarser and more angular due to wave action and stronger currents that can transport larger particles. In contrast, as sediments are carried further out to sea, they tend to become finer and more rounded, as they are subjected to prolonged erosion and sorting by water movement. Additionally, biological activity and chemical processes in shallow waters can further alter sediment composition, leading to distinctive features like clay-rich deposits near continental margins.
How does a metamorphic rock change into sediments?
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What are the two processes that can change sediments into rocks?
The two processes that can change sediments into rocks are compaction and cementation. Compaction occurs when sediments are compressed by the weight of overlying sediments, reducing the pore space between particles. Cementation happens when minerals precipitate in the pore spaces, binding the particles together into a solid rock.
What are two things that sediments may change to?
Sediments can change into sedimentary rocks through processes like compaction and cementation. They can also be eroded and transported to new locations by forces like wind and water.
How do lithogenous sediments differ from biogenous sediments?
Lithogenous sediments come from the land They result primarily from erosion by water, wind, and ice Biogenous sediments originate from organisms The particles in these sediments come from shells and hard skeletons. Although lithogenous sediments represent the largest total volume, biogenous sediments cover a greater area of sea floor
Why do sediments change character as the continent is approached?
As sediments approach a continent, they typically change character due to various geological and environmental processes. Near the shore, sediments are often coarser and more angular due to wave action and stronger currents that can transport larger particles. In contrast, as sediments are carried further out to sea, they tend to become finer and more rounded, as they are subjected to prolonged erosion and sorting by water movement. Additionally, biological activity and chemical processes in shallow waters can further alter sediment composition, leading to distinctive features like clay-rich deposits near continental margins.
How does a metamorphic rock change into sediments?
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Deep-sea sediments contribute to continental growth how?
Deep-sea sediments most likely contribute to continent growth by being scraped off in a subduction zone and left at the surface.
Does weathering change metamorpic rock to sediments?
yes
What are the two processes that can change sediments into rocks?
The two processes that can change sediments into rocks are compaction and cementation. Compaction occurs when sediments are compressed by the weight of overlying sediments, reducing the pore space between particles. Cementation happens when minerals precipitate in the pore spaces, binding the particles together into a solid rock.
Greece was on what continent?
No country can change the continent it is on. Therefore Greece was and is on the European/Eurasian continent.
How do sediments change over time?
The get compacted with burial and dewater. The grains from which they are made become cemented together and the sediments become sedimentary rocks.
How early did antarctic explorers travel?
People interested in exploring the Antarctic continent approached it by ship, then once on the ice, walked in order to explore.
How does igneous and metamorphic rocks change into sediments?
by hardening over time
What 2 processes can change igneous and metamorphic rock into sediments?
Erosion
Deep-sea sediments most likely contribute to continent growth by being?
scraped off in a subduction zone and left at the surface
What is the present perfect tense of approaches?
Have/has approached. I/we/you/they have approached, he/she has approached.
