At this point you may want to go back through the assignment to make sure that you understand the various stratigraphic units present at Olduvai, and the time periods they date to. Making some notes at this point will help you in the exercise that follows. As always, you can return to this page as often as you like to review.

	1. Contents 2. Introduction 3. Tectonic Hist. of Af. 4. Hominid Sites 5. Map Old. Gorge 6. Olduvai Animation 7. Chronology 8. Conclusion Courseware Page
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