Can radioactive dating be used to date sedimentary rocks

Radiogenic isotope geology 2nd ed. Absolute radiometric dating requires a measurable fraction of parent nucleus to remain in the sample rock. Retrieved from " https: Radiometric dating has been carried out since when it was invented by Ernest Rutherford as a method by which one might determine the age of the Earth. The mass spectrometer was invented in the s and began to be used in radiometric dating in the s. Radiometric dating isn't the only method of determining the age of rocks. Unfortunately, these elements don't exist in dinosaur fossils themselves.

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How Do Scientists Determine the Age of Dinosaur Bones?

Dating methods based on extinct radionuclides can also be calibrated with the U-Pb method to give absolute ages. Evolution stokes the fire: With sedimentary rocks, one would end up dating the individual grains of sediment comprising the rock, not the rock as a whole. Although only igneous rocks can be radiometrically dated, ages of other rock types can be constrained by the ages of igneous rocks with which they are interbedded. Radiometric dates are always subject to margins of error, whereas a rock's paleomagnetic polarity is absolute. With unconformities factored in, the age of the Earth would have to be much greater than 36 million years.

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can radioactive dating be used to date sedimentary rocks
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3 thoughts on “Can radioactive dating be used to date sedimentary rocks

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