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Seasonal, cyclical, or other event based depositions of sediment are called strata.

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What sedimentary rocks form when sediments are deposited in layers at the bottom of lakes or oceans?

basalt


Where are the oldest layers of a sandstone rock located?

Sandstone is a sedimentary rock. Sedimentary rocks form from sediments that deposited by the wind and water. Over the time those sediments will get pressed and cemented together. It can take millions of years for sediments to become a rock. So the oldest layers of a sandstone are on a bottom.


Broken pieces of what types of rock are deposited into layers and cemented together to form sedimentary rock?

Broken pieces of sedimentary, igneous, or metamorphic rocks can be deposited into layers and cemented together to form sedimentary rock.


How is clay deposited to form shale?

Water deposits the clay particles in thin, flat layers.


How does loess deposit form?

Loess deposits is form when sediment that is finer than sand, such as particles of clay and silt, is deposited into layers far from its source.


Why are sedimentary rocks formed in layers?

Sedimentation of transported weathered and eroded material is continuous, cyclical, or event based. New sediments are deposited on top of existing sediments, forming layers that may be visible in a sedimentary rock body.


How are sedimentary rocks formed and deposited?

Sedimentary rocks are formed from the accumulation and compression of sediments, such as sand, mud, and organic matter, over time. These sediments are deposited in layers by water, wind, or ice, and as more layers build up, the lower layers are compacted and cemented together to form solid rock.


What is the process in which sediment is deposited in layers is called?

The process in which sediment is deposited in layers is called sedimentation. This occurs when particles settle out of a transporting medium, such as water or wind, and accumulate over time to form distinct layers of sediment.


Are the layers of rock above and below the coal older or younger?

Every layer of rock, as one moves up from the core, is younger than the one below it. This means that the layers of rock above and below the coal are different ages, with the one above younger and the one below older.


What are the layers of sedimentary rocks called?

Strata (singular: stratum)


What layers of sediment build up over millions of years?

Layers of sediment can build up over millions of years to form different types of rock, such as sandstone, shale, and limestone. These layers are created through the accumulation of particles like sand, mud, and shells that settle at the bottom of bodies of water or are deposited by wind. Over time, pressure from more sediment layers above compacts and hardens the sediments into rock.


When objects are layered do objects of higher or lower density sink to the bottom?

The fluids with highest densities form the lowest layers. The fluids with lowest densities form the highest layers.