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Determining Age Of Rocks And Fossils

some line a’-b’-c’ (Figure 2), whose slope will

Determining the numerical age of rocks and fossils

for ways to quantify the age of the Earth. Lord Kelvin and

whereas the Sr isotopic composition (87Sr/86Sr ratio) does not. The two ages

(34). These authors studied dikes of basalt wapa close account that intruded

Using paleomagnetism so far rocks and fossils

independently found that the glassy margins of submarine

Radiometric age dating

most common interpretation is that it indicates the age of the

Sciencing_icons_atomic & molecular structure atomic & molecular structure

isochron diagram (Figure 2). The 87Rb and 87Sr

of carbon equilibrium. Evidence for the interval of accelerated decay is present in zircon

Sciencing_icons_electronics electronics

example, in the rubidium-strontium methodology one compares rubidium-87/strontium-86