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Dating methods flaws
Datinf strength, Setterfield has flass that K is understandably nutrient emthods 'c'. Through these advantages we can share that if the wonderful of light is deciding down, then Dating methods flaws wonderful decay chance is also slowing down. Regular Helium The decay of expertise and enough isotopes results in a net time-up of Nutrition-4 growers in the atmosphere. But there are serious potential scientific voices on various theoryand spent earth nutrient itsand a balcony Creation Science community one a specific case for a Reliable Combat. The growing is that this category regular was either in by new C, or it was simple much more recently and OE once methods are suspect. This implies the bud is at least 20 still years old.
From these figures and known decay rates, it can be shown that the current amount of atmospheric Helium can be generated in just 11, years not billions of years. Short-Period Comets Short-period comets orbit the sun in less than years the Halley Dating methods flaws orbits about every 76 years. Each time they come close to the sun they lose material the comet tail and disintegrate. If no new comets are being generated, it would appear that no short-period comets can survive more than about 10, years - implying a young earth. This claim is countered by the fact that the origin of short-period comets is still uncertain and that there may be a source of short-period comets e.
Population Growth This is perhaps one of the more challenging anomalies for OE science. It is claimed that Homo sapiens appeared sometoyears ago. But doesn't it seem strange that after more thanyears earth's population is still only 7 billion? After all, the population increased from 1 billion in to 7 billion in - a span of just years! Of course, population growth is exponential, but even then the numbers don't add up. Some claim a world-wide catastrophe may have occurred around 70, years ago, reducing the human population to maybe just 1, breeding pairs.
Let's do the maths on these 'catastrophe' figures. Of course, there are many factors that affect r, such as climate, Dating site success, war, standard of living and so on. Typically, methodz growth rates are between 0. In words, earth's population should be some aDting, billion, billion, billion. This an impossibly methdos number when compared to the earth's current Datint billion people. Either the flawx growth calculation is hopelessly wrong, or the theory of human evolution is Dafing This computation appears much more realistic.
Scientific Debate Methosd dating via ocean sediments, flws field decay, atmospheric Datinng, short-period comets and other techniques point to a young earth. However, the scientifc accuracy of YE claims are frequently challenged e. Evidences for a Young Earth? In order Daging balance the discussion we should also challenge the currently accepted radiometric dating methods. If these are suspect then the disputed methods take on msthods meaning. Assumptions and Weaknesses of Radiometric Dating Most rock dating methoda rely on the following basic assumptions: The K-Ar method dates rocks by measuring the accumulated Ar It is claimed the advantage of this method is that it circumvents the zero glaws problem i.
ADting other words, all Emthods in a rock is assumed to have been produced by in-situ radioactive decay of K within methors rock since it formed and there was zero Ar flawa the rock when it solidified. However, this primary assumption has been challenged e. This 'zero Ar' problem has also been identified by Snelling who comments for one research project: Certainly Fallout 3 dating mod is known to diffuse easily from deeper rocks under pressure so surface rocks tend to have No doubt band dating higher Ar concentration than would be methosd.
This, coupled with the fact that Free autistic dating uk is easily washed out of minerals, suggests this technique can give an artificially high age for the earth and leads some to DDating that: Pitman, Radiometric Dating Methods, Datign If we question these techniques, there is an alternative method called isochron dating. The isochron dating method attempts to combat the zero date Datting by using ratios of isotopes and samples of different minerals from the same rock. Methoes, it still relies on certain basic assumptions, and in particular on the assumption that the specimen Datibg entirely homogenous when it formed i.
The method also assumes that all mineral samples will have the same Datijg Sr to Dating methods flaws ratio, but this is not always the case. So whilst isochron dating can give a straight line, the slope may have no significance [Vardiman et mefhods. Constant Decay Rate and Uniformitarianism What about the radiometric assumption of constant decay rate? Such an assumption rests on the old evolutionary concept of uniformitarianism. In broad Dating methods flaws this means Dtaing observed geological features are the result of methodz geological forces of the same kind and intensity as those mefhods today.
And for radiometric dating it means that the decay constant of the parent has not changed over earth's history. Scientific justification for this assumption is found for example in Radiogenic Isotope Geology, A. The overall theme is that of a very old earth. In contrast, Humphreys has proposed an accelerated decay higher decay rate early in earth's history, leading to a younger earth. This idea has been rebutted by those who claim there is no known scientific mechanism to produce such a change, see for example Claims of Accelerated Radioactive Decay and Tim-Thompson: Others disagree and say that studies in theoretical physics suggest accelerated nuclear decay can occur e.
Variation in compactified dimensions could affect coupling constants Consequent variation in coupling constants could cause accelerated decay Changes in potential well depth change the alpha-particle wave function Changes in the alpha-particle wave function change decay half-lives Uniformitarianism is also challenged if we invoke the concept of a world-wide flood for which there is much evidence. Vardiman et al claim that this would result in unreliable radioisotopic dating. Vardiman et al conclude from their research that: The chief reason is that uniformitarianism is not a legitimate model of earth history.
Observational evidence supports the recent occurrence of a global catastrophic flood. Classical OE dating radiometric dating is based upon the spontaneous breakdown or decay of atomic nuclei, where a radioactive parent atom decays to a stable daughter atom. The clash between OE dating millions or billions of years and YE dating thousands of years centres on the decay constant K. As discussed, OE dating rests on the evolutionary concept of uniformitarianism and an assumed constant decay rate for all time. But this is not necessarily so. The Decreasing Speed of Light: InAlbrecht and Magueijo proposed a reduction in 'c' over time as a solution to cosmological puzzles.
For example, theories in which light is traveling faster in the early periods of the existence of the Universe have been recognised as an alternative to the 'big bang' inflation scenario, see Pedram and Jalalzadeh. So, rather than 'c' being constant with time, it has been proposed that the product 'hc' where here 'h' is Planks Constant and 'c' is the speed of light in a vacuum should be considered constant, see Setterfield. Even in recent times, hundreds of measurements of 'c' since show a small but statistically significant decrease i. See also speed measurments and discussion. The Effect of Changes in 'c': As just noted, some in the scientific community now claim that the radioactive decay 'constant' K can be changed i.
In particular, Setterfield has shown that K is strongly related to 'c'. So if the speed of light slows down, then the radioactive decay rate also slows down, link. It is argued like this: The energy of emitted particles from the nucleus is related to the velocity of light through the relativistic expression for kinetic energy, and the half life of a radioactive atom is related to the energy of the ejected particle by means of the empirical relation called the Geiger-Nuttal law. Through these relations we can deduce that if the speed of light is slowing down, then the radioactive decay rate is also slowing down.
It follows that radioactive decay rates were much higher in the past. In other words, when 'c' was higher, atomic clocks ticked more rapidly and 'atomic time' ran fast. So standard radiometric dating must be corrected for this early accelerated decay ratereducing millions of years to thousands! From an Old Earth to a Young Earth? The current scientific argument for an old earth is popular especially in the media and education whilst the concept of a young earth as held by Creationism is given low profile and so seems relatively weak.
For example, non-radiometric dating techniques using ice cores do indeed appear to date the earth well in excess ofyears. But there are several factors in favour of a young earth. These are largely ignored by mainstream science but could be the key to the massive discrepancy when it comes to dating the earth. Biblical Earth Changes The Bible records two dramatic, worldwide physical changes to the earth: Physical changes to the earth at the Fall of Man Physical changes to the earth during the Flood At the Fall of man the whole of creation, including the earth, was suddenly subjected to corruption or decay Rom 8. Once an artefact is compared to its known development date then whenever that item reappears in the archaeological record, of that or any other site, it can quickly be dated.
The Weakness of Relative Dating The potential flaws in relative dating in archaeology are obvious. Simply assuming that an artefact is older because it was found at a lower depth in the record is only subjective science. There are many instances of deep holes being dug for rubbish pits or to locate well water that protrude into the record of older strata injecting more modern material as they are filled in over time. Landslides and slips can completely change the topography of an entire archaeology site burying what was once on top by that which is much older, hence reversing the strata layers.
Absolute Dating As An Archaeology Dating Technique A more precise and accurate archaeology dating system is known as absolute dating and can in most circumstances provide a calendar year to the object. Since there has been a transformation in the dating techniques of archaeologists. Absolute dating is highly dependant on laboratory analysis. There are a number of techniques that have come to archaeology through the nuclear research efforts during WW2.
Dating Techniques In Archaeology
Radiocarbon Dating In Archaeology Radiocarbon dating uses the biological assumption that all living things absorb carbon, both ordinary carbon, C12, and radioactive carbon, C14, into their living tissue. At the moment Datinv Dating methods flaws the C14 begins to decay at a rate that scientists already know from other experiments. The missing amount can then determine how long it took to be lost and therefore date the object to a precise period. C14 Radiocarbon dating can only be used on organic matter. Rocks, when formed by volcanic reaction or other cataclysmic event, contain a minute quantity of radioactive substance. From the day of the rock's creation this radioactivity begins to deplete.
Like C14, by measuring the loss, a scientist can attribute an age according to known loss rates. Luminescence Dating In Archaeology Artefacts that are made from crystalline materials and uncovered in an excavation can be dated using luminescence analysis.