README file to accompany the resources for Exercise 6.2 from the Kinematics Primer.

In each of the four Excel spreadsheets, the first column is the latitude and the second column is the longitude of points along the continent-ocean boundary.  

These data are from the file 
Seton_etal_ESR2012_ContinentOceanBoundaries_2012.1.gpml
that is accessible from www.gplates.org.