Books dating rocks
Bring relative dating principles to life with the activity Rock layers and relative dating.
Students begin by observing a photograph and a diagram of rock layers near Whanganui, watch an animation about how the layers were formed, then use an interactive labelling diagram to work out the order in which the rocks were created.
It is founded on unprovable assumptions such as 1) there has been no contamination and 2) the decay rate has remained constant.
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For example, microscopic dinoflagellates have been studied and dated in great detail around the world.
Correlation with them has helped geologists date many New Zealand rocks, including those containing dinosaurs.
Yet few people know how radiometric dating works or bother to ask what assumptions drive the conclusions. This figure wasn’t established by radiometric dating of the earth itself. Radiohalos shouldn’t exist, according to conventional wisdom!
Though they are very tiny, polonium radiohalos have a huge message that cannot be ignored.
These provide us with an abundance of resources, which we use to worship and serve Him for His purposes and glory.