21st Century
Mining for
K-12 Educators

Basic geology & exploration – Finding the minerals

Geology of United States Ore Deposits


This presentation lists the three basic rock types and the geologic processes that permitted localized concentrations of ore minerals with their contained metals.  The minerals and some of their mining locations are shown; examples of several of the products containing these metals used in our technically advanced society are given.  An ore sample from a gold-silver-tellurium vein is analyzed using the microscope to observe properties leading to the identification four different minerals.

Educators who wish to use portions of these free online lectures are welcome to do so as long as credit is given to CMAEF for its content.

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