Shannon Pratt, 21 years old
There are limitations being revealed regarding your comments abour basic assumptions one of which the assumption of immense ages has actually not been vaguely close to being convincing, sorta proven let alone observed. Don't forget the basic fundamental rule to this whole scientific method requrired to be valid in the first place is that whatever your testing has to be OBSERVED and repeatedly at that now today. An alternative argument is not necessary considering your limiting starting assumptions. A few credible starting assumptions to prevent questionable dating should include: 1 a closed system no chance of interference is unrealistic. Science does not require direct observation. An individual cannot precisely measure a temperature, we uranium dating answers in genesis on an instrument to do that. And in order to make sure that the instrument is accurate, we check it against other different types of instruments, and against known points freezing and melting of distilled water, for instance.
Scientists use certain elements present in a certain abundance to calculate an approximate age for rocks. One of the decay ratios used is Uranium decaying through a series of alpha and beta decays to Lead. The number in superscript preceding the element name indicates the atomic mass, the sum of its protons and neutrons. Alpha decay releases a Helium nucleus two protons and two neutrons from the parent atom to create two atoms: the released Helium and a daughter product that has an atomic number two less than the original and an atomic mass four less than the original. Using the amount of the remaining Uranium, the amount of Lead that has built up, and the original amount of Lead which is not created by any known decay process, scientists can calculate an approximate age based on uranium dating answers in genesis decay rate of Uranium and the ratios of Uranium to Lead and Lead to Lead. Some creationists claim that there is too much helium in Earth's crust for the earth to be any more than two million years old Sarfati, If Earth has existed for billions of years, there should be little helium left in deeper rocks as a result of radioactive alpha decay. They claim that if God had created the Earth with initial Helium in the atmosphere, the maximum age would be even lower than two million-perhaps even as little as 6, years Humphreys et.
Uranium—lead datingabbreviated U—Pb datingis one uranium dating answers in genesis the oldest  and most refined of the radiometric dating schemes. It can be used to date rocks that formed and crystallised from about 1 million years to over 4. The method is usually applied to zircon.
Uranium dating answers in genesis
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Of all the isotopic dating methods in use today, the uranium-lead method is the oldest and, when done carefully, the most reliable. Unlike any other method, uranium-lead has a natural cross-check built into it that shows when nature has tampered with the evidence. Uranium comes in two common isotopes with atomic weights of and we'll call them U and U. Both are unstable and radioactive, shedding nuclear particles in a cascade that doesn't stop until they become lead Pb. The two cascades are different—U becomes Pb and U becomes Pb. What makes this fact useful is that they occur at different rates, as expressed in their half-lives the time it takes for half the atoms to decay. The U—Pb cascade has a half-life of million years and the U—Pb cascade is considerably slower, with a half-life of 4. So when a mineral grain forms specifically, when it first cools below its trapping temperatureit effectively sets the uranium-lead "clock" to zero. Lead atoms created by uranium decay are trapped uranium dating answers in genesis the crystal and build up in concentration with time. If nothing disturbs the grain to release any of this radiogenic lead, dating it is straightforward in concept.
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