She takes her visit to the Galapagos, for example, as the starting point for an explanation of plate tectonics (the itchy movements of the various plates that comprise the earth's ever-shifting surface) that created these islands.

ECONOMIST: Island life

Mining stocks can sometimes amplify the volatile movements of precious metals they gather from the earth, especially when there are dramatic movements in the price of the commodity itself combined with no reduction or even increases in the costs associated with mining the commodities themselves.

FORBES: Leave Yamana Alone, Head For Chesapeake

The opposite inclination, projecting a future of paradise on Earth, is the province of millennial movements like Communism, Nazism, the Crusades and much of today's Islamic fundamentalism.

FORBES: The Future Is Not What It Used To Be

Such concentrations are usually created by geological events, such as volcanic eruptions and tectonic plate shifts that steer hot metal-bearing fluids into upper, accessible parts of the Earth's crust, erosion, or massive sedimentary movements.

WSJ: Exhausting the Earth's Resources? Not So Fast