Dating dinosaurs and other fossils

Dating dinosaurs and other fossils

WMG Just your average dinosaur family. At its core, it has the aesthetic of The Flintstones only the family consists of dinosaurs, not prehistoric humans and a more family-friendly ie, less subtle brand of the kind of social satire seen on All in the Family and The Simpsons. The show followed the adventures of the Sinclair family: The series was the final project to be overseen by Jim Henson , who died when the series was in development. The pilot is dedicated to his memory. Now with a recap page. Dinosaurs provides examples of the following tropes: Adam and Eve Plot: In “The Family Challenge”, after both television sets are destroyed, Earl gets the family to participate on a game show where the prize is a television set.

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Many people are under the false impression that carbon dating proves that dinosaurs and other extinct animals lived millions of years ago. What many do not realize is that carbon dating is not used to date dinosaurs. Carbon dating is only accurate back a few thousand years. So if scientists believe that a creature lived millions of years ago, then they would need to date it another way.

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The Radiometric Dating Game Radiometric dating methods estimate the age of rocks using calculations based on the decay rates of radioactive elements such as uranium, strontium, and potassium. On the surface, radiometric dating methods appear to give powerful support to the statement that life has existed on the earth for hundreds of millions, even billions, of years.

We are told that these methods are accurate to a few percent, and that there are many different methods. We are told that of all the radiometric dates that are measured, only a few percent are anomalous. This gives us the impression that all but a small percentage of the dates computed by radiometric methods agree with the assumed ages of the rocks in which they are found, and that all of these various methods almost always give ages that agree with each other to within a few percentage points.

Since there doesn’t seem to be any systematic error that could cause so many methods to agree with each other so often, it seems that there is no other rational conclusion than to accept these dates as accurate. However, this causes a problem for those who believe based on the Bible that life has only existed on the earth for a few thousand years, since fossils are found in rocks that are dated to be over million years old by radiometric methods, and some fossils are found in rocks that are dated to be billions of years old.

If these dates are correct, this calls the Biblical account of a recent creation of life into question.

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Senior research scientist Alexander Cherkinsky specializes in the preparation of samples for Carbon testing. He directed the pretreatment and processing of the dinosaur bone samples with the Accelerator Mass Spectrometer, though he did not know the bones were from dinosaurs, and he signed the reports. Carbon dating at this facility is certainly the very best. But in , someone told the director of the facility, Jeff Speakman, that the Paleochronology group was showing the Carbon reports on a website and YouTube and drawing the obvious conclusions.

So when he received another bone sample from the Paleochronology group, he returned it to sender and sent an email saying: The scientists at CAIS and I are dismayed by the claims that you and your team have made with respect to the age of the Earth and the validity of biological evolution.

The preferred method of dating dinosaur fossils is with the radiometric dating method. And the result of this accepted method dates dinosaur fossils to around 68 million years old. However: Consider the C .

By Eric Hovind on May 5, in Articles , Beginner Whenever the worldview of evolution is questioned, the topic of carbon dating always comes up. Here is how carbon dating works and the assumptions it is based upon. How Carbon Dating Works Radiation from the sun strikes the atmosphere of the earth all day long. This energy converts about 21 pounds of nitrogen into radioactive carbon This radioactive carbon 14 slowly decays back into normal, stable nitrogen.

Extensive laboratory testing has shown that about half of the C molecules will decay in 5, years. This is called the half-life. In theory it would never totally disappear, but after about 5 half-lives the difference is not measurable with any degree of accuracy. This is why most people say carbon dating is only good for objects less than 40, years old.

Nothing on earth carbon dates in the millions of years, because the scope of carbon dating only extends a few thousand years. Willard Libby invented the carbon dating technique in the early s. The amount of carbon 14 in the atmosphere today is about. Hovind explains Carbon Dating in this video from Seminar 7 Since sunlight causes the formation of C in the atmosphere, and normal radioactive decay takes it out, there must be a point where the formation rate and the decay rate equalizes.

Radiometric Dating and the Geological Time Scale

How did Libby test his method and find out if it worked correctly? Libby tested the new radiocarbon method on carbon samples from prehistoric Egypt whose age was known. A sample of acacia wood from the tomb of the pharoah Zoser was dated for example. Zoser lived during the 3rd Dynasty in Egypt BC. The results they obtained indicated this was the case.

But carbon dating won’t work on dinosaur bones. The half-life of carbon is only 5, years, so carbon dating is only effective on samples that are less than 50, years old. Dinosaur bones, on the other hand, are millions of years old — some fossils are billions of years old.

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Relative dating

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– At Oak Ridge National Laboratory, Scientists dated dinosaur bones using the Carbon dating method. The age they came back with was only a few thousand years old. This date did not fit the preconceived notion that dinosaurs lived millions of years ago. So what did they do? They threw the results out. And kept their theory that dinosaurs lived “millions of years ago” instead. This is common practice.

The Oldest Living Thing: The oldest living thing on earth is either an Irish Oak or a Bristlecone pine. If we assume a growth rate of one tree ring per year, then the oldest trees are between 4, and 4, years old. Also, with regard to fossil tree rings, the author has been unable to find any documented instances of fossil trees having more than about rings. This is significant since we are told that God literally made the Earth, and all that is in it, only about years before the Noachian Flood described in the Book of Genesis.

In a Bristlecone Pine tree was discovered that has just over 5, tree rings. Helium in the Atmosphere:

Dinosaur

How accurate are carbon-dating methods? All methods of radioactive dating rely on three assumptions that may not necessarily be true: Rate of Decay It is assumed that the rate of decay has remained constant over time. This assumption is backed by numerous scientific studies and is relatively sound. However, conditions may have been different in the past and could have influenced the rate of decay or formation of radioactive elements.

Radiometric Dating. How radiometric dating works in general. Why methods in general are inaccurate. Why K-Ar dating is inaccurate. The branching ratio problem.

Everything Worth Knowing About Scientific Dating Methods This dating scene is dead. The good dates are confirmed using at least two different methods, ideally involving multiple independent labs for each method to cross-check results. Sometimes only one method is possible, reducing the confidence researchers have in the results. Methods fall into one of two categories: These methods — some of which are still used today — provide only an approximate spot within a previously established sequence:

Dinosaur

The bone was 68 million years old, and conventional wisdom about fossilization is that all soft tissue, from blood to brains , decomposes. Only hard parts, like bones and teeth, can become fossils. But for some people, the discovery raised a different question. How do scientists know the bones are really 68 million years old?

Carbon dating is used to determine the age of biological artifacts up to 50, years old. This technique is widely used on recent artifacts, but educators and students alike should note that this technique will not work on older fossils (like those of the dinosaurs alleged to be millions of years old).

Both pterosaurs and dinosaurs were supposed to have become extinct many millions of years ago, at least according to popular models in Western cultures. Recent sightings of living pterosaurs fit with the concept that dinosaurs also lived much more recently. How do we know that dinosaurs lived much more recently than many millions of years ago? Nobody seems to have raised any negative comment at the lecture, but later their abstract of the presentation was removed from the official web site.

It was deleted without explanation. Notice the absence of abstract number five, the lecture about carbon dating of dinosaur fossils that were excavated in North America. Two chairpersons decided to censor that abstract by cutting out the whole thing. As of February 25, , that censored page still shows the order of abstracts as 1, 2, 3, 4, 6. Of course censorship need not always be unjust or unethical.

Angels, Aliens

In response to Richard Dawkin’s statement: There’s questions such as: It’s deduced that we were created supernaturally not by naturalism’s random materialistic processes. If you explain angels as having their origins through supernatural laws, “without having any regard for physics, reality, etc.

Before more precise absolute dating tools were possible, researchers used a variety of comparative approaches called relative dating. These methods — some of which are still used today — provide only an approximate spot within a previously established sequence: Think of it as ordering rather than dating.

This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. February Learn how and when to remove this template message The principle of faunal succession, also known as the law of faunal succession, is based on the observation that sedimentary rock strata contain fossilized flora and fauna , and that these fossils succeed each other vertically in a specific, reliable order that can be identified over wide horizontal distances.

A fossilized Neanderthal bone will never be found in the same stratum as a fossilized Megalosaurus , for example, because neanderthals and megalosaurs lived during different geological periods , separated by many millions of years. This allows for strata to be identified and dated by the fossils found within. This principle, which received its name from the English geologist William Smith , is of great importance in determining the relative age of rocks and strata.

Evolution explains the observed faunal and floral succession preserved in rocks. Faunal succession was documented by Smith in England during the first decade of the 19th century, and concurrently in France by Cuvier with the assistance of the mineralogist Alexandre Brongniart. Archaic biological features and organisms are succeeded in the fossil record by more modern versions.

For instance, paleontologists investigating the evolution of birds predicted that feathers would first be seen in primitive forms on flightless predecessor organisms such as feathered dinosaurs.

FOSSILS: how fossils are dated


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