Lecture 21 - Elemental and Isotopic Geochemistry: Environmental Geochemistry

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Last updated 1:16 AM on 4/19/26
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5 Terms

1
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How can Traditional geochemical tools be used to address current environmental challenges?

  • stable isotopes: O, H (address climate)

  • Trace metals

2
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What key criteria should be considered when applying these tools effectively?

  • Money

  • Resolution

  • Scale

3
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Describe the history of anthropogenic metal use, especially for lead (Pb)

4
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What are some primary sources of metal pollution?

Natural processes

  • weathering

  • erosion

  • wildfires

  • volcanism

  • biogenic sources

Anthropogenic Sources

  • Mining and smelting

  • Fossil-fuel combustion (coal)

  • cement production

  • Fertilizers and pesticides

  • waste incineration

5
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Compare different environmental archives that are used to measure metals from the environment