Topic:
Determine The Age Of A Fossil
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Determine the Age of a Fossil
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You are correct. Absolute Dating is a method used by geologists to determine the age in years of a rock or other object. It is a process that uses the properties of atoms in rocks and other objects to find their ages. Thanks for using ChaCh...
it can be determined by radiometric dating
Most geologically recent fossils in Maine are found in the marine clays deposited shortly after recession of the Laurentide Ice Sheet. If they are well preserved, samples of shells, wood, etc. can be sent to a laboratory for radiocarbon dat...
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The methods available are generally accurate within a couple of per cent either way. As ways of measuring time more precisely than that aren't known, it's the best that can presently be done.
http://answers.yahoo.com.au/question/index?qid=20081002...
A Fossil's Age Is Determined By Carbon Dating ･ It is done by Carbon dating. Carbon is the basic basic building block of life and has an amazing memory. ... ･ We have both Carbon-12 and Carbon-14 in our bodies at all times and we continue t...
http://wiki.answers.com/Q/How+do+you+dermen+the+fossils...
This an area of common misconception. Most sedimentary rock, and the fossils contained therein cannot be dated directly with radiometric techniques, but can be dated indirectly. Here's the facts: ･ Because most sedimentary rock is compose...
http://wiki.answers.com/Q/The_age_of_fossils_can_often_...
For example, assume that a certain isotope (sub-type of an element) has a half-life of a million years, then after a million years only half of the substance is left, after two million years 1/4 of the original amount, etc. To use this calc...
http://wiki.answers.com/Q/How+scientists+use+radioactiv...
By using the geologic time scale. Certain organisms are only found during certain times and if a fossil of one of these organisms is found then you can determine the relative age of the fossil.
http://wiki.answers.com/Q/What+do+scientist+to+determin...
Radioactive isotopes decay at a known rate, and have a predictable half life; the time it will take for half of a given quantity of radioactive isotope to decay into a stable state. Using these known numbers, it is possible to estimate the ...
http://wiki.answers.com/Q/What_property_of_radioactive_...
Carbon 14 is used in Carbon dating. It decays to Nitrogen 14 and has a half life of 5,730 years. Typically, Carbon 14 is used for fossil dating for fossils 100-30,000 years old, but older than that, Potassium 40 or Rubidium 87 are more effe...
http://wiki.answers.com/Q/Can+you+determine+the+ages+of...
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