How accurate is radiometric dating methods

How is radiometric dating accurate

it also says that the ‘actual’ ages are measured by radiometric dating—an expensive technique performed in modern laboratories. radiometric dates are only accepted if they agree with what geologists already believe the age should be. example, researchers applied posterior reasoning to the dating of australopithecus ramidus fossils. the wood was “dated” by radiocarbon (14c) analysis at about 45,000 years old, but the basalt was “dated” by potassium-argon method at 45 million years old! if the rock ages are not ‘known’ in advance—does radio-dating give coherent results? the calculated radiometric ‘ages’ depend on the assumptions that are made. the paradigm, or belief system, of molecules-to-man evolution over eons of time, is so strongly entrenched it is not questioned—it is a “fact. matter what the radiometric date turned out to be, our geologist would always be able to ‘interpret’ it.-14 is made when cosmic rays knock neutrons out of atomic nuclei in the upper atmosphere. creationist physicists point to several lines of evidence that decay rates have been faster in the past, and propose a pulse of accelerated decay during creation week, and possibly a smaller pulse during the flood year. to derive ages from such measurements, unprovable assumptions have to be made such as:The starting conditions are known (for example, that there was no daughter isotope present at the start, or that we know how much was there). krummenacher, “isotopic composition of argon in modern surface rocks,” earth and planetary science letters, 1969, 6:47-55. the dating methods are an objective and reliable means of determining ages, they should agree. thorium has a long half-life (decays very slowly) and is not easily moved out of the rock, so if the lead-208 came from thorium decay, some thorium should still be there.” how is this different from the attitude that you criticize mainstream geologists for adopting? but these could not last more than a few thousand years—certainly not the 65 ma since the last dinosaurs lived, according to evolutionists. he assumes therefore that sedimentary rocks a are the same age as the other rocks in the region, which have already been dated by other geologists. are many lines of evidence that the radiometric dates are not the objective evidence for an old earth that many claim, and that the world is really only thousands of years old. cannot prove the age of the earth using a particular scientific method, any more than evolutionists can., the genesis flood would have greatly upset the carbon balance. the sea is not nearly salty enough for this to have been happening for billions of years. dating in many cases seriously embarrasses evolutionists by giving ages that are much younger than those expected from their model of early history. they realize that all science is tentative because we do not have all the data, especially when dealing with the past. geologist may have found some fossils in sedimentary rocks a and discovered that they are similar to fossils found in some other rocks in the region. however, these are isolated from each other, and the area lacks significant sedimentary strata.

Accuracy of Fossils and Dating Methods

however, with radiometric dating, the different techniques often give quite different results.. maas, “nd-sr isotope constraints on the age and origin of unconformity-type uranium deposits in the alligator rivers uranium field, northern territory, australia, economic geology, 1989, 84:64-90. he may suggest that some of the chemicals in the rock had been disturbed by groundwater or weathering. the field relationships, as they are called, are of primary importance and all radiometric dates are evaluated against them. woodmorappe, the mythology of modern dating methods, for one such thorough evaluation. is an unsolved mystery to evolutionists as to why coal has 14c in it,[25], or wood supposedly millions of years old still has 14c present, but it makes perfect sense in a creationist world view.. fisher, “excess rare gases in a subaerial basalt in nigeria,” nature, 1970, 232:60-61. the rubidium-strontium isochron technique suggested that the recent lava flow was 270 ma older than the basalts beneath the grand canyon—an impossibility. this effect (which is additional to the magnetic field issue just discussed) were corrected for, carbon dating of fossils formed in the flood would give ages much older than the true ages.. hunziker, editors, lectures in isotope geology, “u-th-pb dating of minerals,” by d. … if a contradiction occurs, then the cause of the error needs to be established or the radiometric results are unacceptable’. scientists do not measure the age of rocks, they measure isotope concentrations, and these can be measured extremely accurately. from the mapped field relationships, it is a simple matter to work out a geological cross-section and the relative timing of the geologic events. we suggesting that evolutionists are conspiring to massage the data to get what they want? techniques that give results that can be dismissed just because they don't agree with what we already believe cannot be considered objective. this is consistent with a young world—the argon has had too little time to escape. nguaruhoe, new zealand, and the implications for potassium-argon 'dating,'” proc. whatever process was responsible for the halos could be a key also to understanding radiometric dating. example, a geologist may examine a cutting where the rocks appear as shown in figure 1. unconsciously, the researchers, who are supposedly “objective scientists” in the eyes of the public, select the observations to fit the basic belief system. that is not hypocrisy, but being open and up-front about where we are coming from.. provine admitted:“most of what i learned of the field [evolutionary biology] in graduate (1964-68) school is either wrong or significantly changed. and the composition is a characteristic of the molten lava from which the rock solidified. this would make things look much older than they really are when current rates of decay are applied to dating.’ it describes how geologists use field relationships to determine the relative ages of rocks.

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How accurate are Carbon-14 and other radioactive dating methods

[43] there have been many attempts, because the orphan halos speak of conditions in the past, either at creation or after, perhaps even during the flood, which do not fit with the uniformitarian view of the past, which is the basis of the radiometric dating systems. that is why radiocarbon dating cannot give millions of years. the method involves dividing both the parent and daughter concentrations by the concentration of a similar stable isotope—in this case, strontium-86. i would not know what proportion of dates have been measured that are not published.. woodmorappe, the mythology of modern dating methods (san diego, ca: institute for creation research, 1999). again, the only way to know if an isochron is “good” is by comparing the result with what is already believed. andrew snelling worked on “dating the koongarra uranium deposits in the northern territory of australia, primarily using the uranium-thorium-lead (u-th-pb) method. the total amount in the atmosphere is 1/2000th of that expected if the universe is really billions of years old.[12] john woodmorappe has produced an incisive critique of these dating methods. it is simply that all observations must fit the prevailing paradigm. this is just what we would expect for “young” galaxies that have not existed long enough for wide expansion. geologist works out the relative age of a rock by carefully studying where the rock is found in the field. long-age geologists are committed to the long-age paradigm, which assumes naturalism., how do geologists know how to interpret their radiometric dates and what the ‘correct’ date should be? inches) per year, and this rate would have been greater in the past. we have clearly set out the worldview within which we are working: we believe the bible is the true revelation of the creator god who made this world.-age geologists will not accept a radiometric date unless it matches their pre-existing expectations. in fact, the constraints on the ages are such that there is a very large range possible. in reality, all dating methods, including those that point to a young earth, rely on unprovable assumptions.[11] this started with an initial 212 to 230 ma, which, according to the fossils, was considered way off the mark (humans “weren't around then"). whatever caused such elevated rates of decay may also have been responsible for the lead isotope conversions claimed by cook (above). accordingly, carbon dating carefully applied to items from historical times can be useful. in fact, if a sample contains 14c, it is good evidence that it is not millions of years old. this is true of both creationist and evolutionist scientific arguments—evolutionists have had to abandon many “proofs” for evolution just as creationists have also had to modify their arguments. the dates calculated are based on the isotopic composition of the rock.

Reliability of Geologic Dating

Radiometric dating - Wikipedia

would our geologist think if the date from the lab were less than 30 million years, say 10., using hindsight, it is argued that “excess” argon from the magma (molten rock) was retained in the rock when it solidified. this gives a maximum age of the moon, not the actual age. days and orthodox jewish traditionthe amazing cave people of maltaastonishing acrobatics—dragonflies more….[24] the accompanying checks showed that the 14c date was not due to contamination and that the “date” was valid, within the standard (long ages) understanding of this dating system. questions for evolutionists—fundamental questions about the origin of life and all living things that evolution does not answer. geologists believe that the rocks are millions of years old because they assume they were formed very slowly.” creationists agree that the deeper rocks are generally older, but not by millions of years. the range of recorded history, calibration of the 14c "clock is not possible. they have worked out their geologic timescale based on this assumption. decay releases helium into the atmosphere, but not much is escaping. understand the limitations of dating methods better than evolutionists who claim that they can use processes observed in the present to “prove” that the earth is billions of years old.[40] the amount of lead may be consistent with current rates of decay over millions of years, but it would have diffused out of the crystals in that time. zheng wrote:Some of the basic assumptions of the conventional rb-sr [rubidium-strontium] isochron method have to be modified and an observed isochron does not certainly define valid age information for a geological system, even if a goodness of fit of the experimental results is obtained in plotting 87sr/86sr.” this is a direct imputation of widespread scientific malfeasance on the part of professional geologists. familiar to us as the black substance in charred wood, as diamonds, and the graphite in “lead” pencils, carbon comes in several forms, or isotopes. to the impression that we are given, radiometric dating does not prove that the earth is millions of years old. if a chemist were measuring the sugar content of blood, all valid methods for the determination would give the same answer (within the limits of experimental error). dates are interpreted, so no matter what the result is it is always be made to sound reasonable. to answer this question, it is necessary to scrutinize further the experimental results from the various dating techniques, the interpretations made on the basis of the results and the assumptions underlying those interpretations.., seeds in the graves of historically dated tombs) enables the level of 14c in the atmosphere at that time to be estimated, and so partial calibration of the “clock” is possible. the level of proof demanded for such stories seems to be much less than for studies in the empirical sciences, such as physics, chemistry, molecular biology, physiology, etc. a geological guidebook,1 prepared by two geologists, was available from a government department. the results are only accepted if they agree with what is already believed. one example is k-ar “dating” of five historical andesite lava flows from mount nguaruhoe in new zealand.

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Radiometric dating still reliable (again), research shows

reading this article i could not help but think of the scientists who use this dating method to confirm their already held beliefs are like marksmen archers who shoot an arrow then go paint the bulls eye around it. this problem cannot be overlooked, especially in evaluating the numerical time scale.[18] again, all sorts of reasons can be suggested for the “bad” dates, but this is again posterior reasoning. wood found in “upper permian” rock that is supposedly 250 ma old still contained 14c. supernova is an explosion of a massive star—the explosion is so bright that it briefly outshines the rest of the galaxy. this is far too young for evolutionists who claim the moon is 4.” however, the results from zircons (a type of gemstone), for example, generally lie off the concordia curve—they are discordant.’ just because the calculated results are not the true ages does not mean that the method is completely useless. sarfati, “the earth's magnetic field: evidence that the earth is young,” creation, 1998, 20(2):15-19. (creationists do not agree with these ages of millions of years because of the assumptions they are based on. the long-age dating techniques were really objective means of finding the ages of rocks, they should work in situations where we know the age. moon is slowly receding for the earth at about 4 centimeters (1. “false isochrons” are so common that a whole terminology has grown up to describe them, such as apparent isochron, mantle isochron, pseudoisochron, secondary isochron, inherited isochron, erupted isochron, mixing line and mixing isochron. however, this error is not the real error on the date. i had an atheist ask me a similar question that if science disproved my belief in god would i change my mind? matter what the radiometric date turned out to be, our geologist would always be able to ‘interpret’ it. or he may suggest that the result was due to a characteristic of the lava—that the dyke had inherited an old ‘age’. the secular scientific literature lists many examples of excess argon causing dates of millions of years in rocks of known historical age. isochron dating technique was thought to be infallible because it supposedly covered the assumptions about starting conditions and closed systems. similar questions can also arise in applying sm-nd [samarium-neodymium] and u-pb [uranium-lead] isochron methods.. gunst, “an analysis of the earth's magnetic field from 1835 to 1965,” essa technical report ier 46-ies, 1965, u. they would all have fitted nicely into the field relationships that he had observed and his interpretation of them. would our geologist have thought if the date from the lab had been greater than 200 million years, say 350. people think that radiometric dating has proved the earth is millions of years old. ultimately date the earth historically using the chronology of the bible.

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Radiometric Dating Does Work! | NCSE

long ago as 1966, nobel prize nominee melvin cook, professor of metallurgy at the university of utah, pointed out evidence that lead isotope ratios, for example, may involve alteration by important factors other than radioactive decay. one could conclude that truth is false but that does not make the false true. however, the appendix concludes with this qualification: ‘also, the relative ages [of the radiometric dating results] must always be consistent with the geological evidence. who ask about carbon-14 (14c) dating usually want to know about the radiometric[1] dating methods that are claimed to give millions and billions of years—carbon dating can only give thousands of years. on the inaccuracies found using the Carbon-14 dating method, and the various other radioactive dating methods. and that is why creationists use the historical evidence in the bible to constrain their interpretations of the geological evidence. robert gentry has pointed out that the amount of helium and lead in zircons from deep bores is not consistent with an evolutionary age of 1,500 ma for the granite rocks in which they are found. he found that even highly weathered soil samples from the area, which are definitely not closed systems, gave apparently valid “isochron” lines with “ages” of up to 1,445 ma.’5 in fact, there is a whole range of standard explanations that geologists use to ‘interpret’ radiometric dating results. isochron technique involves collecting a number of rock samples from different parts of the rock unit being dated. amount of cosmic rays penetrating the earth's atmosphere affects the amount of 14c produced and therefore dating the system. snelling, say that if the dates are scaled and also adjusted for the type of radiometric test, creationists could use the dates., a stable carbon isotope, 13c , is measured as an indication of the level of discrimination against 14c.., isotopic abundances: inferences on solar system and planetary evolution, earth and planetary sciences letters 86:129–173, 150, 1987. international team of creationist scientists is actively pursuing a creationist understanding of radioisotope dating. only foolproof method for determining the age of something is based on eyewitness reports and a written record. however, careful measurements of the carbon-13 isotope refuted this criticism. because 14c is so well mixed up with 12c, we expect to find that this ratio is the same if we sample a leaf from a tree, or a part of your body. were closed or isolated so that no parent or daughter isotopes were lost or added. the latter figures are significant because thorium-derived dates should be the more reliable, since thorium is less mobile than the uranium minerals that are the parents of the lead isotopes in lead-lead system. rate of decay of 14c is such that half of an amount will convert back to 14n in 5,730 years (plus or minus 40 years).’ about frederick peak, a rhyolite ring dyke in the area, it says, ‘their age of emplacement is not certain. a straight line is drawn through these points, representing the ratio of the parent:daughter, from which a date is calculated. williams, “long-age isotope dating short on credibility,” cen technical journal, 1992, 6(1):2-5. would expect that radiometric dating, being allegedly so ‘accurate,’ would rescue the situation and provide exact ages for each of these hills.

Do you believe radiometric dating is an accurate way to date the

subtitle of this article states that “long-age geologists will not accept a radiometric date unless it matches their pre-existing expectations. that is, they take up less than would be expected and so they test older than they really are. control leader margaret sanger: darwinist, racist and eugenicistthe age of the jenolan caves, australiaa challenge to traditional cultural anthropology more…. argument was used against creationist work done on a piece of wood found in sandstone near sydney, australia, that was supposed to be 230 million years old.[38] however, such exercises in story-telling can hardly be considered as objective science that proves an old earth. humphreys, “reversals of the earth's magnetic field during the genesis flood,” proc. even granting generous assumptions to evolutionists, the sea could not be more than 62 ma years old—far younger than the billions of years believed by the evolutionists. he would simply change his assumptions about the history of the rock to explain the result in a plausible way. are many examples where the dating methods give “dates” that are wrong for rocks of known age. would generally agree with the above methods and use them in their geological work. is there a “mote in thy brother’s eye” or “a beam … in thine own eye? then cross-matching of ring patterns is used to calibrate the carbon “clock”—a somewhat circular process which does not give an independent calibration of the carbon dating system. geologist john woodmorappe, in his devastating critique of radioactive dating,[8] points out that there are other large-scale trends in the rocks that have nothing to do with radioactive decay. a scientist cannot do experiments on events that happened in the past. ring dating (dendrochronology) has been used in an attempt to extend the calibration of the calibration of carbon-14 dating earlier than historical records allow, but this depends on temporal placement of fragments of wood (from long dead trees) using carbon-14 dating, assuming straight-line extrapolation backwards. ratios or uraninite crystals from the koongarra uranium body in the northern territory of australia gave lead-lead isochron ages of 841 ma, plus or minus 140 ma. the guide describes a number of radiometric methods and states that for ‘suitable specimens the errors involved in radiometric dating usually amount to several percent of the age result. a speck of radioactive element such as uranium-238, for example, will leave a sphere of discoloration of characteristically different radius for each element it produces in its decay chain to lead-206. techniques, such as the use of isochrons,[17] make different assumptions about starting conditions, but there is a growing recognition that such “foolproof” techniques can also give “bad” dates. are matters of history such as origins open to scientific 'proof? isotope concentrations can be measured very accurately, but isotope concentrations are not dates. sarfati, “blowing old-earth belief away: helium gives evidence that the earth is young,” creation, 1998, 20(3):19-21. we read on your website (and on many other creationist sites) the following (taken from your ‘statement of faith'): “by definition, no apparent, perceived or claimed evidence in any field, including history and chronology, can be valid if it contradicts the scriptural record.—how attempts to marry the bible with the ‘deep time’ of the secular worldview contribute to the decline of christian culture. there has been discussion on this issue in journal of creation.

Answers to Creationist Attacks on Carbon-14 Dating | NCSE

people wonder how millions of years could be squeezed into the biblical account of history. unlike common carbon (12c), 14c is unstable and slowly decays, changing it back to nitrogen and releasing energy. correcting the dates increased the number to a more realistic 1., an expert in the environmental fate of radioactive elements, identified 17 flaws in the isotope dating reported in just three widely respected seminal papers that supposedly established the age of the earth at 4. argument was used against creationist work that exposed problems with radiometric dating. christian response to radiometric datingradioactive dating methodsgeological conflictthe dating gamehow dating methods workradiometric dating and the age of the earthplumbing and paradigmsresponse to geochronology: understanding the uncertainties, a presentation by dr justin paynemore on radioactive dating problemsdating in conflictradiometric backflipradioactive ‘dating’ failureradioisotope methods and rock agesfurther readingradiometric dating questions and answersrelated mediahow dating methods workradioisotope dating—an evolutionist's best friend? this is because they believe that this is an accurate eyewitness account of world history, which bears the evidence within it that it is the word of god, and therefore totally reliable and error-free. thus … a result of two hundred million years is expected to be quite close (within, say, 4 million) to the true age. this happens quite fast, yet so much helium is still in some rocks that it has not had time to escape—certainly not billions of years. this article makes the point that, contrary to the impression we are given, the radio-isotope dates are not a scientific fact but are interpretations driven by the paradigm.., radioisotopes and the age of the earth, institute for creation research, el cajon, california and creation research society, st.. / authors: ken ham, jonathan sarfati, and carl wieland, adapted from the revised & expanded answers book (master books, 2000). forms issued by radioisotope laboratories for submission with samples to be dated commonly ask how old the sample is expected to be. since the flood was accompanied by much volcanism (see noah's flood…, how did animals get from the ark to isolated places?: missing piece of the puzzle—understanding the cause of the decline of christian faith in the once-christian ‘west’ and what we can do about it. again, the stories are evaluated according to their own success in agreeing with the existing long ages belief system. this will make old things look older than they really are. however, careful measurements by dr steve austin showed this criticism to be wrong. of the intermediate decay products—such as the polonium isotopes—have very short half-lives (they decay quickly). however, even with such historical calibration, archaeologists do not regard 14c dates as absolute because of frequent anomalies. then there was a rise in 14co2 with the advent of atmospheric testing of atomic bombs in the 1950s. they rely more on dating methods that link into historical records. geology is dominated by a number of prominent granitic mountains and hills. the concentration of a parent radioactive isotope, such as rubidium-87, is graphed against the concentration of a daughter isotope, such as strontium-87, for all the samples. after this was widely accepted, further studies of the rocks brought the radiometric age down to about 1.

The way it really is: little-known facts about radiometric dating

Radiometric Dating — Is It Accurate? | Creation Today

known as the rate (radioisotopes and the age of the earth) group, it combines the skills of various physicists and geologists to enable a multi-disciplinary approach to the subject. however, the “age” is calculated using assumptions about the past that cannot be proven. involved with unrecorded history gather information in the present and construct stories about the past. billion years to reach its present distance from the earth. fact that radio-isotope are always interpreted makes them highly subjective, and that does not give confidence that scaling them is soundly based., “ecological and temporal placement of early pliocene hominids at aramis, ethiopia,” nature, 1994, 371:330-333. the other nine samples again gave much older dates but the authors decided they must be contaminated and discarded them. or he may decide that the rock had been affected by a localized heating event—one strong enough to disturb the chemicals, but not strong enough to be visible in the field. we don't have all the answers, but we do have the sure testimony of the word of god to the true history of the world.[15] this excess appears to have come from the upper mantle, below the earth's crust. zheng, “influence of the nature of initial rb-sr system on isochron validity,” chemical geology, 1989, 80:1-16 (p. it is clear that the sedimentary rock was deposited and folded before the dyke was squeezed into place. when the isotope concentrations are adjusted for such conversions, the ages calculated are reduced from some 600 ma to recent. on his return, he sends his sample to the laboratory for dating, and after a few weeks receives the lab report. the common application of such posterior reasoning shows that radiometric dating has serious problems. it is very much driven by the existing long-age world view that pervades academia today.” so, in two half-lives, or 11,460 years, only one-quarter of that in living organisms at present, then it has a theoretical age of 11,460 years. ma was settled upon because of the agreement between several different published studies (although the studies involved selection of “good” from “bad” results, just like australopithecus ramidus, above). overall, the energy of the earth's magnetic field has been decreasing,[5] so more 14c is being produced now than in the past., there are factors other than age responsible for the straight lines obtained from graphing isotope ratios. is plenty of evidence that the radioisotope dating systems are not the infallible techniques many think, and that they are not measuring millions of years. million years) gives the impression that the method is precise and reliable (box below).-age geologists will not accept a radiometric date unless it matches their pre-existing expectations. coal is an obvious candidate because the youngest coal is supposed to be millions of years old, and most of it is supposed to be tens or hundreds of millions of years old.” a study of pig fossils in africa readily convinced most anthropologists that the 1470 skull was much younger.

., rocks and landscapes of the townsville district, department of resource industries, queensland, 1990. humphreys has suggested that this may have occurred during creation week and the flood. it is also much younger than the radiometric “dates” assigned to moon rocks. the methods that have been used to estimate the age of the earth, 90 percent point to an age far less than the billions of years asserted by evolutionists. are various other radiometric dating methods used today to give ages of millions or billions of years for rocks. this effectively combines the two uranium-lead decay series into one diagram. total 14c is also proportionately lowered at this time, but whereas no terrestrial process generates any more 12c, 14c is continually being produced, and at a rate which does not depend on carbon levels (it comes from nitrogen).. humphreys, “the sea's missing salt: a dilemma for evolutionists,” proc. doubt, radiometric dating has been carried out and precise ‘dates’ have been obtained.’ and for castle hill, a prominent feature in the city of townsville, the guidebook says, ‘the age of the granite is unconfirmed. if the line is of good fit and the “age” is acceptable, it is a “good” date. again, this indicates a maximum age, not the actual age. the do the radiometric dates of millions of years mean, if they are not true ages? looking at other outcrops in the area, our geologist is able to draw a geological map which records how the rocks are related to each other in the field. these techniques, unlike carbon dating, mostly use the relative concentrations of parent and daughter products in radioactive decay chains. the only foolproof method for determining the age of something is based on eyewitness reports and a written record. gentry has researched radiohalos for many years, and published his results in leading scientific journals. carbon (12c)is found in the carbon dioxide (co2) in the air, which is taken up by plants, which in turn are eaten by animals. snelling has suggested that fractionation (sorting) of elements in the molten state in the earth's mantle could be a significant factor in explaining the ratios of isotope concentrations which are interpreted as ages. must remember that the past is not open to the normal processes of experimental science, that is, repeatable experiments in the present. now the polonium has to get into the rock before the rock solidifies, but it cannot derive a from a uranium speck in the solid rock, otherwise there would be a uranium halo. of his interest in the volcanic dyke, he collects a sample, being careful to select rock that looks fresh and unaltered. this would make things which died at that time appear older in terms of carbon dating. may be surprising to learn that evolutionary geologists themselves will not accept a radiometric date unless they think it is correct—i.[6] such a re-calibration makes sense of anomalous data from carbon dating—for example, very discordant “dates” for different parts of a frozen musk ox carcass from alaska and an inordinately slow rate of accumulation of ground sloth dung pellets in the older layers of a cave where the layers were carbon dated.

)—how the claimed mechanism for evolution does the wrong thing.. russell humphreys gives other processes inconsistent with billions of years in the pamphlet evidence for a young world., such huge time periods cannot be fitted into the bible without compromising what the bible says about the goodness of god and the origin of sin, death and suffering—the reason jesus came into the world (see six days? earth's magnetic field has been decaying so fast that it looks like it is less than 10,000 years old. similar story surrounds the dating of the primate skull known as knm-er 1470. is entering the sea much faster than it is escaping. therefore, the 14c/12c ratio in plants/animals/the atmosphere before the flood had to be lower than what it is now.[20] this contrasts with an age of 1550-1650 ma based on other isotope ratios,[21] and ages of 275, 61, 0,0,and 0 ma for thorium/lead (232th/208pb) ratios in five uraninite grains., the amount of helium in zircons from hot rock is also much more consistent with a young earth (helium derives from the decay of radioactive elements). snelling, “the failure of u-th-pb 'dating' at koongarra, australia,” cen technical journal, 1995, 9(1):71-92. gives the impression that radiometric dating is very precise and very reliable—the impression generally held by the public.[22] the “zero” ages in this case are consistent with the bible. articlesdiamonds: a creationist’s best friendthe fatal flaw with radioactive dating methodshow accurate is carbon-14 (and other radiometric) dating? would he have thought that the radiometric dating method was flawed?[3] this would make things carbon-dated from that time appear younger than their true age. these displaced neutrons, now moving fast, hit ordinary nitrogen (14n) at lower altitudes, converting it into 14c. so, although the assumptions behind the calculation are wrong and the dates are incorrect, there may be a pattern in the results that can help geologists understand the relationships between igneous rocks in a region.'s a great method for anyone who wishes to discredit creationists beliefs; or, at least it would be if it was not so discredited. some of the evidences are: lack of erosion between rock layers supposedly separated in age by many millions of years; lack of disturbance of rock strata by biological activity (worms, roots, etc. his research, our evolutionary geologist may have discovered that other geologists believe that sedimentary rocks a are 200 million years old and sedimentary rocks b are 30 million years old. instead of questioning the method, he would say that the radiometric date was not recording the time that the rock solidified. this timescale deliberately ignores the catastrophic effects of the biblical flood, which deposited the rocks very quickly. will deal with carbon dating first and then with the other dating methods., lowering the total 12c in the biosphere (including the atmosphere—plants regrowing after the flood absorb co2, which is not replaced by the decay of the buried vegetation).[39] cook noted that, in ores from the katanga mine, for example, there was an abundance of lead-208, a stable isotope, but no thorium-232 as a source for lead-208.

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