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Why are large areas of sea floor covered with thick layers of sediment containing calcium?
Wiki User
∙ 11y ago
Other chemicals are removed from the water by organisms that use silica and calcium to make bones or shells. When the organisms die, these materials sink to the sea floor.
Wiki User
∙ 11y ago
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Why do you think paleontologists find fossils of small water plants but few other plants in the deepest rock layers?
No land plants in the deepest rock layers. Water plants are easily covered with sediment while land plants rot long before sediment covers them usually.
Sedimentary rocks?
Sedimentary rocks are formed by the accumulation of sediments.
What can pressure in cement layers of eroded sediment into rock?
DINGOES
Why is sediment usually laid down in flat layers?
bcuz of the gravity
Clay minerals cement layers of sediment together to form what?
Rogd
What is the ocean floor covered with thick layers of?
Sexual coment
The continental margin of the pacific of the ocean are?
narrower than those of the Atlantic and are not covered with thick layers of sediment
Which landscape features are primarily the result of wind erosion and deposition?
U-shaped valley containing unsorted layers of sediment
Why do you think paleontologists find fossils of small water plants but few other plants in the deepest rock layers?
No land plants in the deepest rock layers. Water plants are easily covered with sediment while land plants rot long before sediment covers them usually.
Why do you think paleontologists find fossils of small water plants but few other plants in deepest of rock layers?
No land plants in the deepest rock layers. Water plants are easily covered with sediment while land plants rot long before sediment covers them usually.
What are the layers of a mountain?
Crust
Why does gravity cause layers of sediment to be horizontal?
As more sediment is added, it is compressed and hardens into rock layers.
What kind of fossil is a leaf inprint?
It is formed slat rock and covered up with layers and layers of rock and sediment.
Where are the oldest layers of sediments located?
The oldest layers of undisturbed sediment are at the bottom.
Which thick layers of sediment press down on the layers beneath them is called?
:D
What is a sedimentray?
A rock composed of layers of sediment.
What is the building up of layers of sediment?
cementaion
