New world riches / [produced by] Dallas County Community College District.

The complex interplay of tectonic forces, intense volcanism, and metamorphic activity can sometimes produce hidden treasures like metallic ores, which can be refined into precious metals such as gold and silver. This video tells the story of how the search for these precious metals drove the explora...

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Bibliographic Details
Format: Video
Published: Dallas County, TX : Dallas County Community College District, 2012.
Series:Academic Video Online
Online Access:Click for online access