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Barnes's theory is restricted solely to the dipole component.The strength of the earth's dipole field can be described in terms of the geomagnetic moment.For example, an associate professor of geology at Calvin College, Davis Young, has devoted a whole chapter in his latest book to pointing out the flaws in the magnetism method of determining the age of our planet.
The earth can be compared to a gigantic magnet having two poles, which is why its magnetism is called dipolar.
The two poles are oriented within the earth along the north-south axis of the earth's rotation.
They feel that it is part of the curse placed upon the earth when man sinned (Gen.
-19), thus becoming the reason why "the whole creation groaneth and travaileth in pain together until now" (Rom. The "whole creation" would include the interior of the earth and the magnetic field that is generated from the earth's core.
Based upon a decaying magnetic field, Barnes feels that the earth could not be more than ten thousand years old, and more likely has an age of six thousand or seven thousand years, thus conforming with the Biblical record.
The magnetic decay method of age dating has been proclaimed as the most reliable evidence available for establishing a young age for the earth.(University of Chicago Press) and touched off a total reappraisal of ancient history and prehistory known as the "radiocarbon revolution." Libby later received a Nobel Prize for his pioneering work in this new dating method.Most creationists reacted against radiocarbon dating because of its threat to Biblical chronology. Barnes, of the University of Texas at El Paso, wrote an article under the title "Decay of the Earth's Magnetic Moment and the Geochronological Implications,"' thus pro posing a new method of dating the earth based upon the decay of its magnetic field.The imprint of the earth's magnetic field was left upon tiny slivers of magnetic minerals that were reoriented according to the lines of the earth's magnetism at the time the kilns were fired.The magnetic record then was "locked in" the ancient artifacts, allowing modern man to unlock through special instruments the intensity and direction of the earth's field in the past.Equations can be developed for the continuous decrease In intensity, or "decay of the earth's magnetic field," as Barnes calls it. Assuming a more or less constant "decay rate," one can estimate what the intensity of the magnetic field was at any time in past history by means of extrapolation from present conditions.