The age of rocks
Geological time - for iPod/iPhone
English - July 07, 2009 23:30 - 4 minutes - 23.6 MB Video - ★★★★★ - 1 ratingCourses Education Science rocks stones sedimentary limestone fossils minerals history evolution Homepage Download Apple Podcasts Google Podcasts Overcast Castro Pocket Casts RSS feed
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Andrew Bell begins to explain how we can determine the age of rocks by looking closely at their layers.