Post Tagged with: "geology"

Geological Dating Methods Built on Unreliable Assumptions

Geological Dating Methods Built on Unreliable Assumptions

This video shows a fairly detailed description of radiometric dating and the assumptions behind this method of measuring radioactive decay in geological samples in an attempt to “date” or determine how old the sample is. We know that certain elements are radioactive, and that as those radioactive elements decay, they change from one element into another. The idea is that if the decay rate is constant, you should be able to tell how old a sample is–in addition to several other assumptions. But do these assumptions stand up under scrutiny, much less the test of time?

Read more ›
Helium Points to a Young Earth

Helium Points to a Young Earth

This is an interesting presentation by Dr. Russell Humphreys, given at the 2003 International Conference on Creationism, dealing with helium retention in zircons. Based on what we think we know about geological decay rates and helium release, there is far too much helium in the rock samples studied for them to be millions of years old. At best, they can only be about 4,000-14,000 years old.

Read more ›