Radiometric dating indicates that the earth is approximately how old
By measuring the amounts of both parent and daughter isotopes in a sample relative to each other scientists can predict how long ago the parent isotope was formed. Absolute Dating of Bentonites by Strontium-Rubidium Isotopes. However, rarely do all the calculated ages agree” (Stern, 1981:5).Five radioactive isotopes are commonly used in radiometric dating. Age of the Rose Dome Granite, Woodson County, Kansas. K-Ar Ages of Intrusive Rocks of the Central Peloncillo Mountains, Hidalgo County, New Mexico. Geological Society of America Bulletin 27) (Woodmorappe, 191). The paleomagnetism and K-Ar age of Upper Carboniferous Rocks from Andscollo Province of Neuquen, Argentina. Applicability of the Rubidium-Strontium Method to Shales and Related Rocks. “When determined by several methods (K-Ar, Rb-Sr and fission track), radiometric ages for coexisting minerals in a metamorphic or igneous rock generally differ because of different closure temperatures for retention of daughter products or tracks” (Itaya, 191). A Triassic Time Scale Dilemma: K-Ar Dating of Upper Triassic Mafic Igneous Rocks, Eastern USA and Canada, and Post-Upper Triassic Plutons, Western Idaho, USA. “In general, dates in the “correct ball park” are assumed to be correct and are published, but those in disagreement with other data are seldom published nor are discrepancies fully explained” (Mauger, 19).Radiometric dating is a method used by geochronologists to determine the age of a rock.Many rocks appear to give ages of thousands and millions of years old, but how accurate are the assumptions involved in this dating method?
This means that the biosphere just prior to the Flood might have had 500 times more carbon in living organisms than today. Yet another unprovable assumption in carbon-14 dating is that the level of carbon-14 and carbon-12 in the earth’s atmosphere has remained fairly consistent throughout history, and natural disasters have had little influence on these levels. But how would a global catastrophic flood, denied by uniformitarianism, influence these levels? “Subsequent researchers, however, have failed to show that the rate of production is in equilibrium with the rate of decay. On the other hand, Suess (1965) has revised Libby’s original estimate on the decay rate down to 13.3 atoms/gm-min” (Johannsen, 1980:5). Since the rate of production exceeds the rate of decay, any assumptions about equilibrium would be invalid and the dates obtained would be skewed. “Uranium Distributions in Recent Skeletal Carbonates.” The American Association of Petroleum Geologists Bulletin 54.5 (1970).