Radiometric dating worksheet answers
With a half-life of only 5730 years, carbon-14 dating has nothing to do with dating the geological ages! Hovind is confusing the carbon-14 "clock" with other radiometric "clocks." The only thing in the geologic record which has anything to do with calibrating carbon-14 dating is the coal from the Carboniferous Period.
Being ancient, the C-14 content has long since decayed away and that makes it useful in "zeroing" laboratory instruments. Hovind would take the trouble to do a little reading from something other than creationist publications he would not make such an outrageous statement.
By the 1830's Adam Sedgwick and Roderick Murchison established a correlation between the various types of fossils and the rock formations in the British Isles.
It was found that certain fossils, now referred to as index fossils, were restricted to a narrow zone of strata.
By 1830 Lyell's famous textbook, Principles of Geology, came out. Such was the age of the great creationist geologists!
The principle of faunal succession in the geologic record was established by direct observation as early as 1799 by William Smith.
The first lesson, Isotopes of Pennies, deals with isotopes and atomic mass. Some of the information was updated 2/00 many bad links have either been updated or removed and some e-mail addresses have been changed.Keep in mind that several people may have moved and are no longer at the locations indicated. Allmon received his doctorate in Earth and Planetary Sciences from Harvard University.So, we have a “clock” which starts ticking the moment something dies.Obviously, this works only for things which were once living.