Based on the 2010 Scientific American paper by Hazen, and the more technical 2008 paper of Hazen et al, both of which explore the effect of the biosphere on the tremendous number of mineral species that occur on Earth compared to the lesser number we believe we are seeing on other planets. This tackles the idea of mineralogy/geochemistry evolving over time as do biological systems, rather than being a static system with no hysteresis or temporal aspect to it. Students work in small groups to decide which groups of minerals have been most affected by a variety of biological influences, and how. Then the class as a whole compares their conclusions group by group.


    Education Levels:

    • Grade 1
    • Grade 2
    • Grade 3
    • Grade 4
    • Grade 5
    • Grade 6
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    • Grade 12


    Reaction Kinetics/Rates,NSDL,Undergraduate (Lower Division),Phase Equilibria/Thermodynamics,Surface Chemistry,Biogeochemistry,Elements,Microbial Weathering,oai:nsdl.org:2200/20130611184112146T,Acid/Base Reactions,Organic and Biochemistry,Microbial Properties and Metabolism,Aqueous Solutions,Biomineralization,Cell Surfaces and Metal Mobility,Higher Education,NSDL_SetSpec_380601,Chemistry,Geochemistry,Vocational/Professional Development Education,Oxidation/Reduction Reactions,Geoscience



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