Module 2: Stories of the Present (Stories of the Lithosphere):

Earth Science Essentials

Why one place has great farmland and another an Emerald City—Gold, Pollution, and Farmland—Part 1

This unit examines the chemical differentiation of the earth and considers constraints of element migration. Individual lessons will open in a new page--simply close the page when done and return here.

• Gold, Pollution, and Farmland Part 1 Lecture: Geochemical differentiation (12:57 min)


• Gold, Pollution, and Farmland Text Part 1 Text: Partitioning puzzles, interactive text


• Extra Resources: Gold, Pollution, and Farmland--Partitioning Lab


• Extra Resources: Gold, Pollution, and Farmland--Partitioning Lab walk through

10/27/2017--pictures and text copyright Russ Colson