Form the basis of paleomagnetic dating Lonely iowa wife chat room
So if we are presented with an undated rock, and we find a really distinctive pattern of paleomagnetic reversals within it, we may be able to identify the one time at which such a sequence of magnetic reversals took place.
The reader will observe that it is necessary to be able to date some rocks, in fact a lot of rocks, before paleomagnetic dating can be brought into play.
The notion that the continents have moved across the surface of the planet has been tossed around for quite some time.
It is no doubt that even the earliest coastal maps must have alluded to the similarities between coastlines.
Learn how paleomagnetism and the study of hot spots provide evidence that supports the theory of plate tectonics.
Have you ever had what you thought was a great idea, yet when you shared your idea with others, they all thought you were crazy?
Each region has its own unique master sequence since weather patterns are not the same from one area to another.
By cross-linking core samples from living and dead trees, a master sequence of annual tree-ring widths can be compiled.
In this article we shall discuss how we can use the paleomagnetism in rocks to attach dates to them (paleomagnetic dating).
The reader may find it useful to go back and read the main article on paleomagnetism before continuing.
You can image how such a radical theory would have been met with much ridicule from the scientific community, especially at the time of its proposal back in the early part of the 20th century.
In fact, Wegener's ideas continued to be debated for decades following his death in 1930.