Mapping the Distribution of Rock Types

World distribution map of igneous, metamorphic, and sedimentary rocks

Is there a map that shows the distribution of the three major rocks types—igneous, metamorphic, and sedimentary—around the world? Our TecRocks team asked this question while trying to find real-world phenomena to engage students in the exploration of environments related to rock genesis. It seemed like a map like this should exist. Our hope was […]

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