Videos on DVD videos are standard, full size DVD videos with full scene navigation.
- Three complete movies
- Featuring pre-chaptered text descriptors (scene menus) for one-click navigation
- Ideal for review or introducing a topic
- The visual impact of video combined with text reinforcement and one-click navigation
- Five titles currently available: Astronomy, Environmental, Geology, Nature's Fury and Volcanoes
Exotic Terrane - Plate Tectonics (28 min.)
Follow geologists as they track clues to how rocks of tropical origin came to be part of Hell’s Canyon, USA. Plate tectonics plays a significant role. Discover how coastlines in the past were much further inland and how exotic terranes docked on the western continental margin.
Table of Contents:
- Introduction
- Hell's Canyon
- Exotic Terranes
- Wallowa Terrane
- Pillow Lavas
- Paleontologists' Results
- Lab Methods for Study of Fossils
- Area is Ancient Coral Reef
- Geological Studies in the Pacific
- Anatahen Island in Mariana Islands
- Active Volcanoes
- Plate Tectonics Explained
- Mariana Trench - Lowest Spot on Earth
- Subduction Zone
- Volcanic Island Arc
- Baker Terrane - Oregon
- Blue Mountains Island Arc
- San Andreas Fault
- How NA West Coast Formed
- Suture Zone
- Vancouver Island and N. Canada
- Lab Methods in Geology
- Western North America Formed Later
- New Subduction Zones and Mt. Rainier
- Mt. St. Helens Erupts
- Columbia River Basalt
- Formation of Hell's Canyon
The Reelfoot Rift (27 min.)
Lying beneath the cities of the American midlands is the Reelfoot Rift, a hotbed of seismic activity. Follow the rift from its formation millions of years ago, to the havoc it wreaked in 1811, and finally to the threat it poses today.
Table of Contents:
- Introduction - New Madrid Seismic Zone
- New Madrid Quakes of 1811 - +8 Temblors
- Mississippi River Disruptions
- Reelfoot Lake Created
- Largest Area of Quake Damage on Earth
- Great San Fransisco Earthquake of 1906 - 8.3 on Richter Scale
- Plate Tectonics
- Plates' Cores or Cratons are Rigid
- North American and Pacific Plates
- Loma Prieta Earthquake of 1989
- Soft Sand and Mud React to Seismic Waves
- Mississippi Valley Sediment
- Many Large Cities are in the New Madrid Earthquake Zone - Damage Potential High
- Gas and Oil Pipelines Are Also at Risk
- When Will Next Earthquake Occur?
- San Andreas Fault - A Different Geology
- Scientists Must Probe Rock Beneath Mud
- Reelfoot Rift - Earthquake Activity
- Epicenters in Deep Faults
- Area was Formed 500 Million Years Ago
- Tectonic Forces Cause Earthquakes
- Where and When - Next Major Earthquke
- This Area Would Suffer Major Damage
- Sand Blows
- Lateral Spreading - Landsliding
- Shaking Damage
- Memphis Most Vulnerable
- Modern Earthquake Building Codes Adopted
- Summary
When the Bay Area Quakes (20 min.)
A close-up experience of an earthquake in California’s San Francisco Bay area and the damage that results. Learn about earthquake monitoring and prediction. Study ground shaking, liquefaction, landslides and ground rupturing.
Table of Contents:
- Introduction
- San Andreas Fault
- Loma Prieta Earthquake - 1989
- Ground Shaking - Strongest Near Epicenter
- Seismic Waves Spread From Epicenter
- Bedrock and Aluvium
- Flood Plain Response - More Than Bedrock
- Liquefaction
- Sand Volcanoes
- Landslides
- Ground Rupturing
- The Four Main Types of Ground Behavior
- 1906 Earthquake Scenes
- Predicting Earthquakes - Seismometers
- Accelerographs
- Global Satellite Positioning
- Rock Samples Analyzed
- Predicting Earthquakes - Historical Records
- Crustal Plate Slippage
- Hayward Fault Most Likely Next Quake
- Preparing for Future Earthquakes
- Parkfield Earthquake Prediction Experiment
|
Discover! Science Videos on DVD 
