Geology 210 - Class Preparation Questions

Carbonate Isotope Systems in Soils

What is the definition of a 'delta' value in reference to stable isotopes?

What are the standards commonly used for the stable isotopes of carbon and oxygen?

What material comprises the 'buffer' for oxygen isotopes in soil carbonate?

What materials comprise the 'buffers' for carbon isotopes in soils?

What are the impacts of C3 vs. C4 vegetation on soil carbon reservoirs.

What factors cause oxygen isotopes in soil carbonate to vary?

What factors cause carbon isotopes in soil carbonate to vary?

How can the isotope characteristics of soil carbonate in ancient soils be used to assess climate and climate change?