Geologic Journey: The Canadian Shield
- Episode aired Sep 23, 2007
Tells the tale of the birth of the immovable Canadian Shield, the oldest rock formation on earth. Also, how the actual mineral content of earth's has been altered through constant pounding f... Read allTells the tale of the birth of the immovable Canadian Shield, the oldest rock formation on earth. Also, how the actual mineral content of earth's has been altered through constant pounding from molten rocks from space.Tells the tale of the birth of the immovable Canadian Shield, the oldest rock formation on earth. Also, how the actual mineral content of earth's has been altered through constant pounding from molten rocks from space.