Episode 150 - Back to School: Stratigraphy

It's our 150th episode! Wow! This week we're starting our Back To School series with a short primer on stratigraphy. How do archaeologists divide a site into time periods? How did people first figure out that layers of sediment accumulate over time through different processes? How many dirt/soil/sediment puns is Anna capable of making in roughly forty minutes? We’ll find out.

• Stratigraphy: Earth's Geological, Archaeological Layers (ThoughtCo)

• Charles Lyell: Principles of Geology (WGBH)

• About Sir Charles Lyell (University of Edinburgh)

• Charles Lyell (Encyclopedia Britannica)

• The Blasphemous Geologist Who Rocked Our Understanding of Earth’s Age (Smithsonian)

• Harris Matrix (Wikipedia)

• The Harris Matrix Tool for Comprehending the Archaeological Past (ThoughtCo)

• How to Read a Munsell Color Chart (Munsell Color)

• Atapuerca (Don’s Maps)

• Chicken Bones May Be the Legacy of Our Time (Smithsonian)