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What are two radioactive isotopes that are useful for dating rocks that are older that 10 million years?
what are two radio active isotopes that are usful for dating rocks that are older than ten million years
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Can all radioactive isotopes be used in radiometric dating?
No, not all radioactive isotopes be used in radiometric dating. Some have very very short half lives and would entirely disappear before any useful period of time passed.
How useful is isotopes for dating bones a million years ago?
Just for knowing its origin
Why do scientist use radioactive dating?
Scientists use radioactive dating to determine the age of rocks and fossils by measuring the decay of radioactive isotopes. By analyzing the ratio of parent and daughter isotopes, scientists can calculate the age of the material. This technique is particularly useful for dating objects that are millions or billions of years old.
Which property of uranium isotopes makes it useful for measuring events throughout the history of the earth?
The property of uranium isotopes that make them useful for dating events throughout Earth's history is their radioactive nature. Uranium isotopes undergo radioactive decay at a known rate, allowing scientists to measure the amount of decay products in a sample to determine its age. This method, known as uranium-lead dating, is particularly valuable for dating ancient rocks and minerals.
Why is half-Life useful to an archaeologist?
Half-life is useful to archaeologists for dating artifacts or materials that contain radioactive isotopes. By measuring the remaining amount of radioactive isotope and knowing its half-life, archaeologists can determine the age of the artifact or material. This method is particularly useful for dating organic remains, such as bones or wood, in archaeological contexts.
Could radioactive dating only be used for igneous rocks?
Radioactive dating is only useful in dating igneous and metamorphic rock. Organic material that has not fossilized and does not exceed 70,000 years of age can be dated by Carbon dating techniques. Sedimentary rock can only be dated by its association with igneous and metamorphic rock.
Which isotopes is most useful for dating wood and charcoal?
carbon-14
What isotopes is most useful for dating plant and animal remains?
CARBON DATING The most common fossil dating techniques are radiometric dating techniques. Radiometric dating uses knowledge of the decay rates of unstable ( radioactive ) nuclei to determine, by comparison with the proportion of stable nuclei in a fossil sample, the date of the introduction of the radioactive material into the live organism, especially if the isotope was ingested while the organism was alive.
Can use radiometric dating on all minerals to tell their absolute age?
You can't date all minerals using the radiometric dating method because not all minerals have radioactive isotopes. In addition, the parent and daughter isotopes must remain together in a rock to use them to determine the rock's age. Because sedimentary rocks contain fragments of many rocks that could be different ages, radiometric dating is less useful for dating sedimentary rock. This technique is primarily used to date igneous rocks.
What are 2 radioactive isotopes that make them useful?
Two examples are: carbon-14 and cobalt-60.
What type of dating involves the use of radioactive elements and half-lives?
Radioactive decay may be used in carbon dating, testing for the amounts of a radioactive carbon isotope (C14) in the remains of some organism. C14 obviously only works on organic material which was once alive, such as wood or bone. Because C14 has a very short half life, less than 6000 years, it does not work on material much over 60,000 years (about ten half lives). Potassium/Argon is another useful set of isotopes that can yield the ages of rocks and inorganic matter far older--many millions of years old.
How are radioactive isotopes useful to researchers?
Radioactive isotopes are used is:- medicine, for treatment by irradiation- medicine, for diagnostic- in science/technology as tracers- as source of energy- as source of ionizing radiations- in many instruments- determination of rocks ageetc.
