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We use cookies and other tracking technologies to improve your browsing experience on our site, show personalized content and targeted ads, analyze site traffic, and understand where our audiences come from. To learn more or opt-out, read our Cookie Policy. This suggested age makes the Moon a lot older than some recent estimates, which claim our lunar neighbor is 4. The Moon is thought to have formed from the leftover debris of a high-speed collision between Earth and a smaller planet-like object called Theia - and the timing of this event is important for figuring out when life formed here on Earth, too. Our planet would have been completely wiped out by the giant impact, so life could not have started forming on Earth until after the planet became whole again in the wake of the collision. The giant impact would have created a massive ocean of liquid magma that eventually coalesced into the Earth and the Moon.

Radiometric dating of granitic intrusions associated with the Caledonian orogeny yields ages between about million and million years.

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The igneous activity that produced such intrusions constituted the final stages of subduction and obduction that is, overthrusting of the edge of one lithospheric plate. As a result of this and other findings, notably that of Ernest Rutherford see.

The ability to quantify the geologic time scale-i.

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As explained earlier. Radioisotope dating techniques have shown that this water is many thousands of years old. The use of such water, which is not being recharged under the current climatic regime, is termed groundwater mining. During the s and s, isotopic dating of rocks showed that the crystalline massifs of Precambrian age from about 4. In addition to the ages of Earth, Moon, and meteorites, radiometric dating has been used to determine ages of fossils, including early man, timing of glaciations, ages of mineral deposits, recurrence rates of earthquakes and volcanic eruptions, the history of reversals of Earth's magnetic field, and the age and duration of a wide variety of other geological events and processes.

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The age equation The mathematical expression that relates radioactive decay to geologic time is. D is number of atoms of the daughter isotope in the sample.

D0 is number of atoms of the daughter isotope in the original composition.

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The equation is most conveniently expressed in terms of the measured quantity N t rather than the constant initial value No. The above equation makes use of information on the composition of parent and daughter isotopes at the time the material being tested cooled below its closure temperature. This is well-established for most isotopic systems.

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But they cannot directly date the earth using selected isotopes because they believe all rocks have cycled over imagined eons, leaving no original rocks to test. They assume meteorites formed when earth did.

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Researchers age-dated a meteorite to sometime around the age they would accept. Thus, the earth itself has no direct evidence for its vast evolutionary age assignment.

The various rock layers are given names with assigned ages Figure 1.

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To understand exactly why, we must first learn the basics of radioactive elements and of the techniques used when treating these systems of elements as clocks. Many elements on the periodic table have radioactive forms.

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Stable atoms have a set number of protons, neutrons, and orbital electrons. Isotopes are atoms of the same elements with the same number of protons but different numbers of neutrons. Some isotopes are radioactive and others are stable.

A radioactive nucleus is not stable.

How radiometric dating has been utilized to determine the age of the moon

Figure 1. The assumption of slow geologic processes and radiometric age dating has drastically inflated the age of the Earth and its strata.

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A basic way to express the rate of radioactive decay is called the half-life. Unstable radioactive isotopes called parent elements become stable elements called daughter elements. Each radioactive element has its own specific half-life see Table 1. Note: Carbon is not used to date minerals or rocks, but is used for organic remains that contain carbon, such as wood, bone, or shells.

For additional information on radiometric dating, read the PSRD article by Alexander N. Krott: Dating the Earliest Solids in our Solar System, Sep Another P S R D article, Using Aluminum as a Clock for Early Solar System Events, Sep , by Ernst Zinner, examines how Al can be used as a fine-scale chronometer for early solar. The Age of the Moon. Evolutionists say that the Moon is ± x 10 9 years old. Is that correct? Last month we saw that rubidium-strontium isochron dating of the Apollo 11 moon rocks showed that the moon is to billion years old. That method depends upon an unwarranted assumption about the initial concentrations of rubidium and strontium isotopes. Potassium-Argon (40 K Ar) has been the most widespread method of radioactive age-dating for the Phanerozoic rocks, where most fossils occur. The misdated rocks shown above violate the initial condition assumption of no radiogenic argon (40 Ar) present when the igneous rock formed.

To estimate a radioisotope age of a crystalline rock, geologists measure the ratio between radioactive parent and stable daughter products in the rock. They can even isolate isotopes from specific, crystallized minerals within a rock. They then use a model to convert the measured ratio into an age estimate. The models incorporate key assumptions, like the ratio of parent to daughter isotopes in the originally formed rock.

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In addition to the ages of Earth, Moon, and meteorites, radiometric dating has been used to determine ages of fossils, including early man, timing of glaciations, ages of mineral deposits, recurrence rates of earthquakes and volcanic eruptions, the history of reversals of Earth's magnetic field, and the age and duration of a wide variety of. Oct 27,   "Science has proved that the earth is billion years old." We have all heard this claim. We are told that scientists use a technique called radiometric dating to measure the age of rocks. We are also told that this method very reliably and consistently yields ages of millions to billions of years, thereby establishing beyond question that the earth is immensely old - a concept known. Modern dating methods. Radiometric dating has been carried out since when it was invented by Ernest Rutherford as a method by which one might determine the age of the Earth. In the century since then the techniques have been greatly improved and expanded.

We must assume some starting condition. Evolutionists assume that as soon as a crystalline rock cooled from melt, it inherited no daughter product from the melt. This way, they can have their clock start at zero. However, when they find isotope ratios that contradict other measurements or evolution, they often invoke inherited daughter product. This saves the desired age assignments.

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Igneous crystalline rocks-those that have formed from molten magma or lava-are the primary rock types analyzed to determine radiometric ages. After one half-life of 1. This is a or parentdaughter ratio, which reduces to a ratio.

Radiometric Dating and the Age of the Earth

If the sample contained this ratio, then the rock would be declared 1. If the ratio is greater thanthen not even one half-life has expired, so the rock would be younger. However, if the ratio is less thanthen the rock is considered older than the half-life for that system. Figure 2. Decay of Radioactive potassium to argon After three half-lives of this system, totaling 3. Assumption 1: Laboratory measurements that have no human error or misjudgments.

Measuring the radioactive parent and stable daughter elements to obtain the ratio between them must be accurate, and it usually is.

Jan 11,   Scientists say they have figured out the most precise age for the Moon than ever before, thanks to samples of lunar rocks gathered during NASA's Apollo 14 multicoingames.com: Loren Grush. Other articles where Radiometric dating is discussed: Earth sciences: Radiometric dating: In , shortly after the discovery of radioactivity, the American chemist Bertram Boltwood suggested that lead is one of the disintegration products of uranium, in which case the older a uranium-bearing mineral the greater should be its proportional part of lead. Jan 13,   To come up with the new lunar age estimate, the team analysed Moon rocks taken from the lunar surface during the Apollo 14 mission. The reason we've never been able to accurately date the age of the Moon in the past is that there's very few well-preserved Moon rocks left on its surface.

Keep in mind that most laboratory technicians believe in deep time. This sets the time periods they expect.

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They all memorized the geologic time scale long before they approached their research, and thus may not even consider that processes other than radioisotope decay may have produced the accurately measured isotope ratios.

Next, this technician assumes that all the radioactive parent isotopes began decaying right when the mineral crystallized from a melt.

He also assumes none of the stable daughter element was present at this time. What if some stable daughter element was already present when the rock formed? After all, these experts often explain away unexpected radioisotope age results using the excuse that daughter or parent isotopes must have been present when the rock formed. Without knowledge of the starting condition, the use of isotopes as clocks means nothing.

Have you ever seen an atom?

Think, how radiometric dating has been utilized to determine the age of the moon all?

Of course not. It is too small, but we must think about this on an atomic level. Decay byproducts like argon and helium are both gases.

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Neither gas tends to attach to any other atom, meaning they rarely do chemistry. Instead of reacting with atoms in rock crystals, they build up in rock systems and can move in and out of the rocks. One leading expert in isotope geology states that most minerals do not even form in closed systems. A closed system would retain all the argon that radioactive potassium produces.



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