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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
Is drumlin the result of erosion or deposition?
A drumlin is primarily a landform that results from glacial deposition, where sediments are deposited and shaped by the movement of glaciers. Erosion can also play a role in shaping drumlins, but their characteristic streamlined shape is primarily influenced by deposition processes.
How is sediment created?
Sediment is created through the process of weathering and erosion. Weathering breaks down rocks into smaller pieces, while erosion transports these pieces to new locations where they accumulate and form sediment layers. Over time, pressure and cementation can turn these sediments into sedimentary rocks.
What is the crustal portion of each oceanic plate is composed primarily of?
Basalt rock with a layer of sedimentary rock overlaying that, covered with water saturated sediments.
How are these sediments transported to new locations?
Sediments are transported to new locations primarily through natural processes such as water, wind, and ice. In rivers and streams, flowing water erodes sediment from the landscape and carries it downstream. Wind can lift and move fine particles over long distances, while glaciers can drag and deposit sediments as they advance and retreat. Additionally, coastal processes like waves and currents can redistribute sediments along shorelines.
What is a force is responsible for a rivers capability to move sediments?
The force that is responsible for moving sediments in a river is the current.
Sediments derived primarily from the products of weathering on the continents are called?
terrigenous or continental sediments
Sediments derived primarily from the products of weathering on the continents are called .?
terrigenous or continental sediments
Ocean sediments are classified primarily by?
Rock-cocks.Size
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
What kind of sediments consist primarily of minerals grains that were eroded from rocks on land?
hydrates
Which agents are responsible for the deposition of sediments?
Agents responsible for the deposition of sediments include water (rivers, lakes, oceans), wind, and ice (glaciers). These agents transport and deposit sediment particles, such as sand, silt, and clay, through processes like erosion, transportation, and settling. The specific agent involved depends on the environment and geological context.
What sediments are found in the ocean flour?
Ocean floor sediments primarily consist of three types: terrigenous, biogenous, and hydrogenous sediments. Terrigenous sediments originate from land, including clays and silts brought by rivers and wind. Biogenous sediments are formed from the remains of marine organisms, such as foraminifera and diatoms, while hydrogenous sediments precipitate directly from seawater, including minerals like manganese nodules. Additionally, cosmogenous sediments, derived from extraterrestrial sources like meteorites, are also present but in smaller amounts.
Two Process responsible for changing sediments into sedimentary rocks is?
The two processes responsible for changing sediments into sedimentary rocks are compaction and cementation. Compaction occurs when the weight of the overlying layers presses down on the sediments, squeezing out water and air between them. Cementation happens when minerals dissolved in water fill in the spaces between the sediment particles, binding them together to form a solid rock.
Is drumlin the result of erosion or deposition?
A drumlin is primarily a landform that results from glacial deposition, where sediments are deposited and shaped by the movement of glaciers. Erosion can also play a role in shaping drumlins, but their characteristic streamlined shape is primarily influenced by deposition processes.
What are the three types of the ocean floor sediments?
The three types of ocean floor sediments are Terrigenous, Biogenous, and Hydrogenous sediments.
How is sediment created?
Sediment is created through the process of weathering and erosion. Weathering breaks down rocks into smaller pieces, while erosion transports these pieces to new locations where they accumulate and form sediment layers. Over time, pressure and cementation can turn these sediments into sedimentary rocks.
