Weathering and Clay Evolution
http://courses.soil.ncsu.edu/resources/soil_classification_genesis/mineral_weathering/mineral_change.swf

Soil Science Department, North Carolina State University


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This annotated animation shows how primary minerals lose content at a linear pace. The site illustrates how primary minerals, 2:1 clays, 1:1 clays, and aluminum and iron oxides develop as a function of time.

This resource is referenced here:
Subject: Geoscience:Geology:Sedimentary Geology:Weathering, Geoscience:Geology:Mineralogy