Learning Geology

Earthquakes rip through our cities, with seismic waves that tear down our buildings and take away lives in the process. Just two years ago,...

·          A sedimentary basin is an area in which sediments have accumulated during a particular time period at a significantly grea...

a'a —a lava rock with a ropey, frothy surface texture formed as a cooling crust on a fluid lava flow. ablation —the removal of snow ...