Sediments and the Global Carbon Cycle

A series of activities designed to introduce students to the role of sediments and sedimentary rocks in the global carbon cycle and the use of stable carbon isotopes to reconstruct ancient sedimentary environments. Students will make some simple calculations, think about the implications of their results, and see an optional demonstration of the density separation of a sediment sample into a light, organic and a heavier mineral fraction.

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Elana Leithold
North Carolina State University
Science Education Resource Center at Carleton College, On The Cutting Edge collection
Activity takes two to three class periods and/or homework assignment time. Additional materials required.

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Student handout, instructor's notes, and a solution set are included as well as bibliographic information that can be consulted for further information.