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In general, sediments are set down by the deposition of all manner of "stuff" in water that "precipitates out" and settles on the bottom. Could be inorganic like fine dust from eroded rock. Could be organically created like marine shells. Could be layers of plant material. Whatever. Over time, an appreciable "thickness" of material is deposited. Then more, and more. Sometimes the composition changes a bit here and there, sometimes not. But you get the picture. Over geologic time, the layer(s) are compressed and harden to form sedimentary rock. No where in that equation does the emerald appear. Emeralds are born of "granite-type" rocks, and will be found there. It is possible that erosion of emerald-bearing ganitic pegmatites (which is where they live) may put some in estuaries, but to look for them generally requires mining in the traditional sense. Except for the ones created in the laboratory, which was happening at least as long ago as the 1960's. A link to the Wikipedia article on the emerald is provided. Surf on over and check out the pics.
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Why is sediment usually laid down in flat layers?
Sediment is laid down in flat layers because gravity causes particles to settle evenly and compact together, forming a flat surface. Additionally, water or wind currents tend to distribute sediment horizontally, creating uniform layers. The flat layers of sediment can provide important clues about past environments and geological processes.
Why is sediment often laid down in layers?
Sediment is often laid down in layers because of the different sizes and weights of particles settling out of water or air. Heavier particles settle faster, creating bottom layers, while lighter particles settle on top. Over time, this accumulation results in distinct layers of sediment.
How does sediment become compact?
Sediment becomes compacted through the pressure of overlying layers of sediment, water, and other materials. The weight from these layers squeezes the sediment particles together, forcing out the spaces between them. Over time, this compaction can lead to the formation of sedimentary rock.
When layers of sediment are squeezed together to form rocks it is called?
When layers of sediment are squeezed together to form rocks, it is called lithification. This process involves compaction and cementation of sediment particles to create solid rock formations.
What is a smooth stone with layers called?
The most common smooth stone with layers is sandstone, The differently colored layers are caused as different layers of sediment build up. The Painted Dessert is one of the most spectacular examples of sandstone layers.
Why does gravity cause layers of sediment to be horizontal?
Gravity causes layers of sediment to be horizontal because as sediment deposits, it settles evenly due to gravity pulling the particles downwards. Over time, as more sediment accumulates, the weight of the new layers causes the underlying layers to compact and settle into a horizontal orientation.
The squeezing of layers of sediment is called?
The squeezing of layers of sediment is called compaction. This process reduces the volume of sediment and removes water between particles, resulting in the formation of sedimentary rocks.
What is process in which sediment is deposited in layers?
Deposition
What is a sedimentray?
A rock composed of layers of sediment.
What is the Process is which sediment is deposited in layers?
Deposition
Over a long period of time the layers of sediment turn into?
It is sand. Edit: Over many thousands of years - sediment gets compressed and compacted into layers. The layers form rocks such as slate and coal.
When sediment is deposited in layers what rock is formed?
sedimentary
Why is sediment usually laid down in flat layers?
Sediment is laid down in flat layers because gravity causes particles to settle evenly and compact together, forming a flat surface. Additionally, water or wind currents tend to distribute sediment horizontally, creating uniform layers. The flat layers of sediment can provide important clues about past environments and geological processes.
Why is sediment often laid down in layers?
Sediment is often laid down in layers because of the different sizes and weights of particles settling out of water or air. Heavier particles settle faster, creating bottom layers, while lighter particles settle on top. Over time, this accumulation results in distinct layers of sediment.
How does sediment become compact?
Sediment becomes compacted through the pressure of overlying layers of sediment, water, and other materials. The weight from these layers squeezes the sediment particles together, forcing out the spaces between them. Over time, this compaction can lead to the formation of sedimentary rock.
How is sediment used for dating?
Sediment dating involves analyzing the layers of sediment to determine the age of the material within. Different dating methods, like radiocarbon dating or optically stimulated luminescence dating, can be used on sediment samples to estimate when the material was deposited. By examining the composition and characteristics of the sediment layers, scientists can infer information about past environments and events.
What is the process in which thick layers of sediment press down on the layers beneath them called?
the correct answer is compactioncompaction
