Relative dating is the process of quizlet Relative dating

Relative dating is the process of quizlet

If two layers match, then they are likely to be what at the same time?

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Use of radioactive decay to estimate the absolute age of a fossil or rock. Nonconformity, diconformity, angular unconformity. Why are igneous rocks best for radiometric dating? What is the process where minerals replace all or most of an organisms body parts?

It is important for sediment to be deposited over the bones because can be consumed or broken down by other living things or elements. Are the remains of organisms that get preserved in or close to their original states. Comparing the aging process with things now to things in the past, does not give the exact age. Atoms of the same element that have a different number of neutrons.

Some scientists prefer the terms chronometric or calendar dating, as use of the word "absolute" implies an unwarranted certainty and precision.

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What substances will preserve original remains? Another way to calculate absolute age.

The bending of rocks when rock layers are squeezed sideways. What are the two most common types of fossils?

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A mass of igneous rock that forms when magma is injected rock and then cools. Tilted or curved layers of strata, heavy deposits on the top instead of the bottom.

What is the Law of Original Horizontality? Fossil where the delicate parts of the organism are preserved.

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Scientists use index fossils in relation to relative dating sense index fossils are widespread and short lived they can be used to determine the age of rock layers. Some radioactive isotopes in mineral Crystals can act as what?

Define absolute dating method

Rate of decay of a radioactive isotope, equal to the time it takes for one-half of an original amount of the isotope decay. Fossils that have not been permineralized, and are not casts, molds, or trace fossils. This is an relative dating is the process of quizlet form of absolute dating for living things.

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Unstable nuclei break apart and release energy. Preserved fossils or original remains.

The average time needed for half of a sample of a radioactive isotope to undergo radioactive decay to form daughter isotopes. Occurs when an organism dies and is buried in sediment until only carbon remains which leaves an impression of the organism. The mud hardens and turns into rock.