Understood not arguments against carbon dating apologise

Seventy years ago, American chemist Willard Libby devised an ingenious method for dating organic materials. His technique, known as carbon dating, revolutionized the field of archaeology. Now researchers could accurately calculate the age of any object made of organic materials by observing how much of a certain form of carbon remained, and then calculating backwards to determine when the plant or animal that the material came from had died. An isotope is a form of an element with a certain number of neutrons, which are the subatomic particles found in the nucleus of an atom that have no charge. While the number of protons and electrons in an atom determine what element it is, the number of neutrons can vary widely between different atoms of the same element. Nearly 99 percent of all carbon on Earth is Carbon, meaning each atom has 12 neutrons in its nucleus.

This would mean that eighty-two hundred years worth of tree rings had to form in five thousand years, which would mean that one-third of all the bristlecone pine rings would have to be extra rings. Creationists are forced into accepting such outlandish conclusions as these in order to jam the facts of nature into the time frame upon which their "scientific" creation model is based.

Question: Creationist Thomas G. Barnes has claimed that the earth's magnetic field is decaying exponentially with a half-life of fourteen hundred years. Not only does he consider this proof that the earth can be no older than ten thousand years but he also points out that a greater magnetic strength in the past would reduce C dates. Now if the magnetic field several thousand years ago was indeed many times stronger than it is today, there would have been less cosmic radiation entering the atmosphere back then and less C would have been produced.

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Therefore, any C dates taken from objects of that time period would be too high. How do you answer him? Answer: Like Cook, Barnes looks at only part of the evidence. What he ignores is the great body of archaeological and geological data showing that the strength of the magnetic field has been fluctuating up and down for thousands of years and that it has reversed polarity many times in the geological past.

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So, when Barnes extrapolates ten thousand years into the past, he concludes that the magnetic field was nineteen times stronger in BC than it is today, when, actually, it was only half as intense then as now. This means that radiocarbon ages of objects from that time period will be too young, just as we saw from the bristlecone pine evidence.

Question: But how does one know that the magnetic field has fluctuated and reversed polarity? Aren't these just excuses scientists give in order to neutralize Barnes's claims?

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Answer: The evidence for fluctuations and reversals of the magnetic field is quite solid. Bucha, a Czech geophysicist, has used archaeological artifacts made of baked clay to determine the strength of the earth's magnetic field when they were manufactured. He found that the earth's magnetic field was 1.

Apr 29,   A less-common form of the carbon atom, carbon, is used today by scientists as a method to date once-living organisms. Many people believe that carbon dating disproves the Biblical time scale of history. However, because of the difficulties with current C14 dating techniques, the dates produced have been shown to be faulty. Carbon dating at least is very, very solid. There's a known C12/C14 ratio that can be found in all living things. So it doesn't matter what the initial concentration of carbon was because you're measuring a ratio, which will vary only in terms of how C14 decays, as C12 and C14 are chemically identical and any disruption will not remove one or the other preferentially. Inaccuracies in radiocarbon dating Date: June 5, Source: Cornell University Summary: Radiocarbon dating is a key tool archaeologists use to determine .

See Bailey, Renfrew, and Encyclopedia Britannica for details. In other words, it rose in intensity from 0.

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Even before the bristlecone pine calibration of C dating was worked out by Ferguson, Bucha predicted that this change in the magnetic field would make radiocarbon dates too young.

This idea [that the fluctuating magnetic field affects influx of cosmic rays, which in turn affects C formation rates] has been taken up by the Czech geophysicist, V.

Bucha, who has been able to determine, using samples of baked clay from archeological sites, what the intensity of the earth's magnetic field was at the time in question.

Even before the tree-ring calibration data were available to them, he and the archeologist, Evzen Neustupny, were able to suggest how much this would affect the radiocarbon dates. Renfrew, p. There is a good correlation between the strength of the earth's magnetic field as determined by Bucha and the deviation of the atmospheric radiocarbon concentration from its normal value as indicated by the tree-ring radiocarbon work.

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As for the question of polarity reversals, plate tectonics can teach us much. It is a fact that new oceanic crust continually forms at the mid-oceanic ridges and spreads away from those ridges in opposite directions. When lava at the ridges hardens, it keeps a trace of the magnetism of the earth's magnetic field. Therefore, every time the magnetic field reverses itself, bands of paleomagnetism of reversed polarity show up on the ocean floor alternated with bands of normal polarity.

These bands are thousands of kilometers long, they vary in width, they lie parallel, and the bands on either side of any given ridge form mirror images of each other. Thus it can be demonstrated that the magnetic field of the earth has reversed itself dozens of times throughout earth history. Barnes, writing inought to have known better than to quote the gropings and guesses of authors of the early sixties in an effort to debunk magnetic reversals.

Before plate tectonics and continental drift became established in the mid-sixties, the known evidence for magnetic reversals was rather scanty, and geophysicists often tried to invent ingenious mechanisms with which to account for this evidence rather than believe in magnetic reversals.

However, bysea floor spreading and magnetic reversals had been documented to the satisfaction of almost the entire scientific community. Yet, instead of seriously attempting to rebut them with up-to-date evidence, Barnes merely quoted the old guesses of authors who wrote before the facts were known.

Arguments against carbon dating

But, in spite of Barnes, paleomagnetism on the sea floor conclusively proves that the magnetic field of the earth oscillates in waves and even reverses itself on occasion. It has not been decaying exponentially as Barnes maintains.

Answer: Yes. When we know the age of a sample through archaeology or historical sources, the C method as corrected by bristlecone pines agrees with the age within the known margin of error. For instance, Egyptian artifacts can be dated both historically and by radiocarbon, and the results agree.

At first, archaeologists used to complain that the C method must be wrong, because it conflicted with well-established archaeological dates; but, as Renfrew has detailed, the archaeological dates were often based on false assumptions. One such assumption was that the megalith builders of western Europe learned the idea of megaliths from the Near-Eastern civilizations. As a result, archaeologists believed that the Western megalith-building cultures had to be younger than the Near Eastern civilizations.

Many archaeologists were skeptical when Ferguson's calibration with bristlecone pines was first published, because, according to his method, radiocarbon dates of the Western megaliths showed them to be much older than their Near-Eastern counterparts.

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However, as Renfrew demonstrated, the similarities between these Eastern and Western cultures are so superficial that. So, in the end, external evidence reconciles with and often confirms even controversial C dates. One of the most striking examples of different dating methods confirming each other is Stonehenge.

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C dates show that Stonehenge was gradually built over the period from BC to BC, long before the Druids, who claimed Stonehenge as their creation, came to England.

Astronomer Gerald S. Hawkins calculated with a computer what the heavens were like back in the second millennium BC, accounting for the precession of the equinoxes, and found that Stonehenge had many significant alignments with various extreme positions of the sun and moon for example, the hellstone marked the point where the sun rose on the first day of summer.

Stonehenge fits the heavens as they were almost four thousand years ago, not as they are today, thereby cross-verifying the C dates.

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Question: What specifically does C dating show that creates problems for the creation model? Answer: C dates show that the last glaciation started to subside around twenty thousand years ago. But the young-earth creationists at ICR and elsewhere insist that, if an ice age occurred, it must have come and gone far less than ten thousand years ago, sometime after Noah's flood. Therefore, the only way creationists can hang on to their chronology is to poke all the holes they can into radiocarbon dating.

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However, as we have seen, it has survived their most ardent attacks. Make a Donation Today. Give a Gift Membership.

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Games Daily Sudoku. Universal Crossword. Daily Word Search. Men who are overeager or jump when the woman says jump are the ones who are more likely to end up in the friend zone. Christians embrace science and technology when they think it supports the existence of God or the accuracy of the Bible.

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28:19 Give and Take: Is Carbon-14 Dating Reliable?

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Dec 07,   Carbon dating is a brilliant way for archaeologists to take advantage of the natural ways that atoms decay. Unfortunately, humans are on the verge of messing things up. Jul 22,   The only argument I've ever come into contact with on carbon dating is that it is unreliable. @Rational Gunther: Her question didn't really make any invalid assumptions. Most Creationists are Young-Earth doursim.com believe that the world is 6, years old. Mar 16,   Carbon dating - explained in everyday terms Carbon Dating-Answers for kids Doesn't Carbon Dating Disprove the Bible? I would like to quote from the first article because the candle example is useful in understanding the framework of the argument (against the results obtained from Carbon Dating). Although this technique looks good at.

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How Carbon Dating Works. This is called the half-life. In theory it would never totally disappear, but against about 5 half-lives the against is not measurable with any degree of accuracy. Are is are argument people say dating dating is only good for objects less than 40, years old. Jun 06,   When news is announced on the discovery of an archaeological find, we often hear about how the age of the sample was determined using radiocarbon dating, otherwise simply known as carbon dating. They have their work cut out for them, however, because radiocarbon (C) dating is one of the most reliable of all the radiometric dating methods. This article will answer several of the most common creationist attacks on carbon dating, using the question-answer format that has proved so useful to lecturers and debaters.

These are "young earth" creationists I am an "old earth" creationist. If you have to fit everything in the universe into the last 10, yrs - you have to have your own kind of science If you follow the facts of science, and understand the first two chapters of Genesis a bit differently - it works very well.

Christians embrace science and technology when they think it supports the existence of God or the accuracy of the Bible They reject science when it doesn't. Show more answers 2.



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