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Q: Carbon-14 is useful for dating fossils that are what?
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Carbon 14 is useful for dating fossils that are?

Carbon 14 is useful for dating organic remains less than 60-70,000 years old. It is not useful for fossils as the vast majority are much older than that.


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 cannot be used to determine the age of fossils or "of the earth" because these materials no longer have radiocarbon or have negligible amount of radiocarbon.


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 fossils are useful in determining the relative age of rocks?

Index fossils


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 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.


What is an example of absolute dating?

fossils.


How is fossils useful?

they are useful for alot of things like petrol