Types of radioactive dating

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See my copyright notice for fair use practices. The Earth's lithosphere is broken up into chunks called plates with densities around 3. Oceanic crust is only about 6 kilometers thick. The continental plates are made of another volcanic type of silicates called granite. Continental crust is much thicker than oceanic crustup to 35 kilometers thick. Continental plates are less dense than the oceanic plates.
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Radiometric dating

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Carbon, Radiometric Dating - CSI

Amanda Robb In this lesson, we'll go over the definition of radioactive elements. We'll learn about the different types of particles emitted during the process of radiation and look at some examples of radioactive elements and their uses. Radioactive Elements Everything around us is made of elements, or different types of atoms. While these atoms are way too small to see, if you break an object or organism down enough, ultimately everything is made of these tiny particles. And although your coffee table or text book might seem pretty stable, some elements break down over time, including some that make up the objects in your house. These are radioactive elements, meaning that they break down over time by releasing energy and turning into different elements. Let's look at how this process happens.
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What Are Radioactive Elements?

The Radiometric Dating Game Radiometric dating methods estimate the age of rocks using calculations based on the decay rates of radioactive elements such as uranium, strontium, and potassium. On the surface, radiometric dating methods appear to give powerful support to the statement that life has existed on the earth for hundreds of millions, even billions, of years. We are told that these methods are accurate to a few percent, and that there are many different methods.
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How did Libby test his method and find out if it worked correctly? Libby tested the new radiocarbon method on carbon samples from prehistoric Egypt whose age was known. A sample of acacia wood from the tomb of the pharoah Zoser was dated for example. Zoser lived during the 3rd Dynasty in Egypt BC.
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