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TAKEN FROM THE EVOLUTION HANDBOOK,AVAILABLE ONLINE
TAKEN FROM THE EVOLUTION HANDBOOK,AVAILABLE ONLINE
Evolution HandbookChapter 6a:
Inaccurate Dating Methods
Why the non-historical Dating Techniques are not Reliable
This chapter is based on pp. 183-221 of Origin of the Universe ,Not included in this chapter are at least 62 statements by scientists. You will find them, plus much more, on our website: evolution-facts.org.Several methods for dating ancient materials have been developed. This is an important topic; for evolutionists want the history of earth to span long ages, in the hope that this will make the origin and evolution of life more likely.
Therefore we shall devote an entire chapter to a discussion of every significant method, used by scientists today, to date ancient substances.
1 - RADIODATING
MAJOR DATING METHODSSeveral types of dating methods are used today. Chief among them are:(1) Uranium-thorium-lead dating, based on the disintegration of uranium and thorium into radium, helium, etc., and finally into lead.
(2) Rubidium-strontium dating, based on the decay of rubidium into strontium.
(3) Potassium-argon dating, based on the disintegration of potassium into argon and calcium.
In this chapter, we shall discuss the strengths and weaknesses of each of these dating methods.
There is a basic pattern that occurs in the decay of radioactive substances. In each of these disintegration systems, the parent or original radioactive substance gradually decays into daughter substances. This may involve long decay chains, with each daughter product decaying into other daughter substances, until finally only an inert element remains that has no radioactivity. In some instances, the parent substance may decay directly into the end product. Sometimes, the radioactive chain may begin with an element partway down the decay chain.
A somewhat different type of radioactive dating method is called carbon 14-dating or radiocarbon dating. It is based on the formation of radioactive elements of carbon, in the atmosphere by cosmic radiation, and their subsequent decay to the stable carbon isotope. We will also discuss radiocarbon dating in this chapter.
SEVEN INITIAL ASSUMPTIONSAt the very beginning of this analysis, we need to clearly understand a basic fact: Each of these special dating methods can only have accuracy IF (if!) certain assumptions ALWAYS (always!) apply to EACH specimen that is tested.
Here are seven of these fragile assumptions:
(1) Each system has to be a closed system; that is, nothing can contaminate any of the parents or the daughter products while they are going through their decay processor the dating will be thrown off. Ideally, in order to do this, each specimen tested needs to have been sealed in a jar with thick lead walls for all its previous existence, supposedly millions of years!
But in actual field conditions, there is no such thing as a closed system. One piece of rock cannot for millions of years be sealed off from other rocks, as well as from water, chemicals, and changing radiations from outer space.
(2) Each system must initially have contained none of its daughter products. A piece of uranium 238 must originally have had no lead or other daughter products in it. If it did, this would give a false date reading.
But this assumption can in no way be confirmed. It is impossible to know what was initially in a given piece of radioactive mineral. Was it all of this particular radioactive substance or were some other indeterminate or final daughter products mixed in? We do not know; we cannot know. Men can guess; they can apply their assumptions, come up with some dates, announce the consistent ones, and hide the rest, which is exactly what evolutionist scientists do!
(3) The process rate must always have been the same. The decay rate must never have changed.
Yet we have no way of going back into past ages and ascertaining whether that assumption is correct.
Every process in nature operates at a rate that is determined by a number of factors. These factors can change or vary with a change in certain conditions. Rates are really statistical averages, not deterministic constants.
The most fundamental of the initial assumptions is that all radioactive clocks, including carbon 14, have always had a constant decay rate that is unaffected by external influencesnow and forever in the past. But it is a known fact among scientists that such changes in decay rates can and do occur. Laboratory testing has established that such resetting of specimen clocks does happen. Field evidence reveals that decay rates have indeed varied in the past.
The decay rate of any radioactive mineral can be altered [1] if the mineral is bombarded by high energy particles from space (such as neutrinos, cosmic rays, etc.); [2] if there is, for a time, a nearby radioactive mineral emitting radiation; [3] if physical pressure is brought to bear upon the radioactive mineral; or [4] if certain chemicals are brought in contact with it.
(4) One researcher, *John Joly of Trinity College, Dublin, spent years studying pleochroic halos emitted by radioactive substances. In his research he found evidence that the long half-life minerals have varied in their decay rate in the past!
"His [Jolys] suggestion of varying rate of disintegration of uranium at various geological periods would, if correct, set aside all possibilities of age calculation by radioactive methods."*A.F. Kovarik, "Calculating the Age of Minerals from Radioactivity Data and Principles," in Bulletin 80 of the National Research Council, June 1931, p. 107.
(5) If any change occurred in past ages in the blanket of atmosphere surrounding our planet, this would greatly affect the clocks in radioactive minerals.
Cosmic rays, high-energy mesons, neutrons, electrons, protons, and photons enter our atmosphere continually. These are atomic particles traveling at speeds close to that of the speed of light. Some of these rays go several hundred feet underground and 1400 meters [1530 yards] into the ocean depths. The blanket of air covering our world is equivalent to 34 feet [104 dm] of water, or 1 meter [1.093 yd] thickness of lead. If at some earlier time this blanket of air was more heavily water-saturated, it would produce a major changefrom the present rate,in the atomic clocks within radioactive minerals.
(6) The Van Allen radiation belt encircles the globe. It is about 450 miles [724 km] above us and is intensely radioactive. According to *Van Allen, high-altitude tests revealed that it emits 3000-4000 times as much radiation as the cosmic rays that continually bombard the earth.
Any change in the Van Allen belt would powerfully affect the transformation time of radioactive minerals. But we know next to nothing about this beltwhat it is, why it is there, or whether it has changed in the past. In fact, the belt was only discovered in 1959. Even small amounts of variation or change in the Van Allen belt would significantly affect radioactive substances.
(7) A basic assumption of all radioactive dating methods is that the clock had to start at the beginning; that is, no daughter products were present, only those elements at the top of the radioactive chain were in existence. For example, all the uranium 238 in the world originally had no lead 206 in it, and no lead 206 existed anywhere else. But if either Creationor a major worldwide catastrophe (such as the Flood) occurred, everything would begin thereafter with, what scientists call, an "appearance of age."
By this we mean "appearance of maturity." The world would be seen as mature the moment after Creation. Spread before us would be a scene of fully grown plants and flowers. Most trees would have their full height. We would not, instead, see a barren landscape of seeds littering the ground. We would see full-grown chickens, not unhatched eggs. Radioactive minerals would be partially through their cycle of half-lives on the very first day. This factor of initial apparent age would strongly affect our present reading of the radioactive clocks in uranium, thorium, etc.
Evolutionist theorists tell us that originally there was only uranium, and all of its daughter products (radioactive isotopes farther down its decay chain) developed later. But "appearance of maturity" at the Creation would mean that, much of the elements, now classified by evolutionists as "daughter products," were actually originalnot daughterproducts and were already in the ground along with uranium instead of being produced by it. We already know, from Robert Gentrys studies, that original (primordial) polonium 218 was in the granite when that granite initially came into existence suddenly and in solid form; yet polonium is thought by evolutionists to only occur as an eventual daughter product of uranium disintegration.
CONTINUED IN THE NEXT POST