plate tectonics

Seismic -020

Seismic is essentially anything to do with the movement (vibration) of the earth. Tectonic plates float on the surface of the earth and are forever moving and crashing into each other. At the leading edge one plate is pushed under … Read More

Geology Sedimentary Processes – 007

The earth is a spheroid (nearly a sphere) about 12700 km in diameter, depending on exactly where you measure it (there is an equatorial bulge and various bumps). Most of the planet is molten, although the central part is predicted … Read More