College of the Redwoods GEOLOGY 15 Lecture 6 Web Site
Here is the powerpoint in pptx format. (45 MB)
Here is the powerpoint in pdf format (4 slides per page). (36 MB)
Here is the activity in pdf format. (0.3 MB)
Here is the activity map for measuring seafloor spreading rates pdf format. (34 MB)
Extra Stuff: Global Instrumental Earthquake Catalogue (1900–2009) Web Site
Here is announcement page.
Here is a pdf of the report.
Here is data page, if you want to download it.