Geology Up-Close - Big answers from small scale observations

How does a scanning electron microscope (SEM) work?

How does USGS study with the SEM?

- Earthquakes

- Volcanoes

- Mineral and energy resources

- Soil and aquifer processes

Speakers: Leslie Hayden, Diane Moore, USGS Geologists, Kathryn Watt, USGS Research Geologist, Marjorie Schulz, USGS Research Hydrologist, and Lara Stern, USGS Research Geophysicist