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What fossils are most useful for correlation tend to be?
Fossils that are the most useful for correlation tend to be found in various types of rocks, are widespread, and easy to recognize. One rock type where fossils are found is sedimentary rocks.
Is stratigraphic dating accurate for dating fossils?
Carbon dating and radioactive dating are more effective, assuming those arn't the same thing. =]
Why are index fossils so important to geologists?
Index fossils are very important to geologists because they identify geological time periods. Index fossils are found within a specific layer of rock- So when one finds the age of the rock layer, that is also the age of the index fossil.
What two ways do scientist use fossils to determine the environmental changes?
its radioactive dating and relative dating
Do radiometric dates for fossils often come directly from the fossils themselves?
Radiometric dating comes from the fossils themselves very rarely. Most of the time the dating method interprets the strata surrounding the fossil.
Carbon 14 is useful for dating fossils that are?
Carbon 14 dating is most useful for dating fossils that are up to 50,000 years old. Beyond this time frame, the amount of C-14 left in the fossil is too minimal to provide accurate dating results.
A researcher who uses carbon dating on anciet items?
The half life of C14 is about 5700 years, so items that are a few multiples of this time are suitable for carbon14 dating. Most archaeological items are suitable, and some young fossils.
What do scientists use to determine a fossil's relative age?
Carbon14 dating (isotopic dating)
Radiocarbon dating would be useful in dating the age of the earth?
Radiocarbon dating is not typically used to determine the age of the Earth because it can only accurately date organic materials up to around 50,000 years old. Other dating methods, such as radiometric dating of rocks and minerals, are used to estimate the age of the Earth, around 4.5 billion years.
In what ways are fossils useful to geologists?
In what ways are fossils useful to geologist?
An artifact is found that some are claiming is 30000 years old 3.1 percent of the original carbon14 is present The halflife of carbon14 is 5730 year?
Yes, but the dating is only off a little (500 years or so).
What is the connection between fossils and half-life dating?
The connection between fossils and half- life dating is that half-life dating is to determined how old the fossil is
What Limitations are there of using carbon14 to date rocks?
The main limitations of using Carbon14 dating to find the age of something that is carbon base are firstly the possibility that carbon may be absorbed by some things making it more difficult to get an absolutely accurate age and secondly, with Carbon14 only having a half life of 5,568 years the maximum theoretical limit for detection is 100,000 years.
Why would uranium-238 not be useful in determining the age of a spear that is thought to be 5000 years old?
Uranium dating is useful for long periods of time - e.g. 109 years. For fossils is recommended the method with 12C.
What fossils are useful in determining the relative age of rocks?
Index fossils
What is an example of absolute dating?
fossils.
How is fossils useful?
they are useful for alot of things like petrol
