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Explain how an index fossil can be used date rock.?
Index fossils are fossils of organisms that lived for a relatively short period of time but were widespread geographically. By identifying these index fossils in a particular layer of rock, scientists can determine the age of the rock and correlate it with other rock layers containing the same index fossils. This allows for the relative dating of rock layers based on the presence of specific index fossils.
How do distinctive rock strata support the theory of continental drift?
Since you can find the same distinctive rock strata in both the east coast of South America and the west coast of Africa, it suggests that those two coasts were once connected.
One way to correlate similar rock layers?
Correlating rock layers is comparing two rock layers to each other. I hope that this helps :) Actually its the matching up of rocks of the same age from place to place is called correlation of the rock layers. I hope that this helps :)
Dating technique involving compraring fossils in rock layers?
Relative dating-comparing fossils related to how old other fossils are in the same sample of rock. If the rock has been undisturbed, the oldest rock will be at the bottom, therefore, the oldest fossils will also be at the bottom. the youngest rock will be at the top, therefore, the youngest fossils will be at the top. Absolute Dating-When you can figure out through testing the exact age of the fossil
Why can you find the same type of fossil in different types of rock strata?
Just one possible answer here among many. Even though the strata may be from the same age, their depositional environment may have been different. For instance, in one place, it may have been a shallow marine environment, and in the other, a deeper water environment. Different animals are suited or adapted to a specific set of environmental surroundings. It could also have been because of erosion or faulting.
What can you infer about other fossils in the same rock layer as trilobites?
It can be assumed that the organisms that created the fossils were a part of the same depositional environment and process, and roughly from the same time span of the rock that comprises the layer.
What is an assise?
An assise is the presence of two or more beds or strata of rock united by the occurrence of fossils in the same characteristic species or genera.
If the same types of fossils are found in two separate rock layer its likely that the two rock layers?
If the same types of fossils are found in two separate rock layers, it's likely that the two rock layers ____.
Is fossil dating the same method for dating rocks?
Because most fossils are found in rock strata, the method for dating them is the same--measuring the amount of decay of an isotope.
How could geologists use fossil in rock layer B to date a rock layer in another location?
Geologists can use index fossils from rock layer B to correlate the age of the rocks in another location by matching the presence of these unique fossils. Index fossils are widely distributed and lived for a short period of time, making them useful for dating rock layers. By identifying the same index fossils in both rock layers, geologists can infer that they are of similar age.
Explain how an index fossil can be used date rock.?
Index fossils are fossils of organisms that lived for a relatively short period of time but were widespread geographically. By identifying these index fossils in a particular layer of rock, scientists can determine the age of the rock and correlate it with other rock layers containing the same index fossils. This allows for the relative dating of rock layers based on the presence of specific index fossils.
How do you Think the scientists knew Thai iridium had first appeared at about the time the dinosaurus died out?
By knowing which strata it was found and the rate of the strata's being laid down. finding fossils in that same strata.
How can fossil correlation be used to determine the ages of rock layer?
dont care
If the same types of fossils are found in two separate rock layer's it's likely that the two rock layers?
If the same types of fossils are found in two separate rock layers, it's likely that the two rock layers ____.
How could geologists use the fossil in rock layer b to date a rock layer in another location?
Geologists can use the fossil found in rock layer B as a biostratigraphic marker, which helps establish the relative age of rock layers in different locations. By identifying the same fossil in another rock layer, they can correlate the layers and infer that they were formed during the same geological period. This method relies on the principle that certain fossils, particularly index fossils, are characteristic of specific time frames in Earth's history. Thus, the presence of the same fossil allows geologists to date and compare rock layers across diverse geographical areas.
How do distinctive rock strata support the theory of continental drift?
Since you can find the same distinctive rock strata in both the east coast of South America and the west coast of Africa, it suggests that those two coasts were once connected.
How do fossils help shows that rocks at different location belong to the same rock layer?
they help show because f a fosill is located in one area and another fossil is located in a different area but with the same rock type thats how
