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Geology Facts

Natural Gas - The Blue Flame

It is colorless, shapeless, and in its pure form, odorless. For many years, it was discarded as worthless. Even today, some countries (although not the United States) still get rid of it by burning it ... Continue reading

One of the earliest uses of natural gas was to fuel street lights in the 1800s.

A Hurricane In Brazil?

Hurricanes are terrifying. They rip trees right out of the ground, hurl cars into the air, and flatten houses. Their winds can blow faster than 100 mph. Some hurricanes have been known to pull a wall ... Continue reading

The Brazilian hurricane on March 26, 2004, as seen by the Moderate Resolution Imaging Spectroradiometer (MODIS) on the Terra satellite.

Flipping Magnetic Fields

North and south. We take these directions for granted. Pull out a compass and the needle will swing to the north in response to the magnetism in the Earth's crust. The magnetic poles roughly coincide ... Continue reading

The Earth acts like a giant bar magnet

Pyroclastic Flows: Deadly Rivers of Rock

A volcano, during a violent eruption, blasts massive amounts of heated rock fragments, hot gas and ash out vents and collapsing domes. This sudden outpouring of superheated material reaches ... Continue reading

Thick pyroclastic flow

More Geology Facts


Earth Measurement:

  1. The Richter Magnitude Scale
  2. What is Geodesy?

Earthquakes:

  1. Earthquake Weather?
  2. Silent Earthquakes
  3. The San Andreas Fault
  4. Was That The Big One? Depends On How You Measured It.
  5. When This Lake 'Burps,' Better Watch Out!

Energy:

  1. Fossil Energy - The Basics
  2. Natural Gas - The Blue Flame
  3. There's Oil Down There

Environment:

  1. The Hole Scoop on Ozone
  2. What is Haze?

Features:

  1. A Continent In Deep Freeze
  2. A National Park of Caves
  3. A River of Sand
  4. Bryce Canyon
  5. Crater Lake
  6. Devils Postpile National Monument
  7. Geology Played Key Role in the End of the Civil War
  8. Heading For The Badlands
  9. Salty Remnants At Death Valley's Badwater
  10. The Importance of Cave and Karst Systems
  11. What's So Bad About The Badlands?
  12. White Sands National Monument

Geodynamics:

  1. Flipping Magnetic Fields
  2. Is Earth Getting Fatter Around the Belt?
  3. Landslides and Mudflows
  4. Pointing North
  5. Under The Crust
  6. Water In The Ground
  7. What are Hoodoos?

Glaciers:

  1. Arctic Carbon a Potential Wild Card in Climate Change Scenarios
  2. Glaciers: Rivers of Ice
  3. Retreating Glaciers Spur Alaskan Earthquakes
  4. The World's Biggest Popsicle

Global Climate Change:

  1. Antarctica and Climate Change
  2. CALIPSO in 2004
  3. Distant Mountains Influence River Levels 50 Years Later
  4. Finding Ice In The Rocks--Evidence Of Earth's Ice Ages
  5. Getting Burned By Acid Rain
  6. Global Warming?
  7. How Do We Predict The Climate--100,000 Years Ago?
  8. NASA Explains Dust Bowl Drought
  9. Surprise! Lightning Has Big Effect On Atmospheric Chemistry
  10. The Good, the Bad and the Ozone
  11. What Are The Differences Between Global Warming, Greenhouse Effect, Greenhouse Warming, And Climate Change?
  12. What Causes Ice Ages....Or Global Warming?
  13. Will Runaway Water Warm the World?

Minerals and Gems:

  1. All That Glitters
  2. Diamonds Improved by Irradiation?
  3. Our Most Abundant Fossil Fuel
  4. Robin's Egg Blue
  5. Rock, Mineral, Crystal, or Gemstone?
  6. The Mineral Chalcedony
  7. You, Graphite and Diamonds

Oceans:

  1. A Big, Big Wave
  2. A Undersea View of Our Earth's Geography
  3. Is the Dead Sea really dead?
  4. Is The Sea Really On The Level?
  5. Seamounts - Underwater Mountains
  6. What is an Estuary?

Plate Tectonics:

  1. Pangea
  2. Plate Tectonics

Rocks:

  1. Igneous Rocks, Born of Fire
  2. Metamorphic Rock
  3. Sedimentary Rock
  4. Weathering, Erosion, and Deposition
  5. Zeolites: The Secret Ingredient

Thermal:

  1. Old Faithful - Thar She Blows!

Volcanos:

  1. 1816 - The Year Without A Summer
  2. A Voggy Day On The Big Island
  3. Haleakala Crater
  4. Pyroclastic Flows: Deadly Rivers of Rock
  5. Submarine Volcanoes
  6. Types of Volcanoes
  7. What is Volcanic Ash?

Weather:

  1. A Great Sunset Takes A Few Clouds
  2. A Hurricane In Brazil?
  3. How Much Water in an Inch of Snow?
  4. Hurricanes, The Basics
  5. Lightning Striking Again
  6. Man Made Clouds
  7. Predicting Floods
  8. The Hydrology of Drought
  9. The Importance Of Clouds And Aerosols To Climate Change
  10. The Saffir-Simpson Hurricane Scale
  11. Tornadoes
  12. Wetter not Necessarily Better in Amazon Basin
  13. What Are The Dangers Of Lightning?
  14. What Are The Key Ingredients For An Avalanche?
  15. What Causes The Blue Color That Sometimes Appears In Snow And Ice?
  16. What Is Air Pressure?
  17. What Is The Most Damaging Hazard From A Hurricane?
  18. What's In A Name?
  19. Who Named The Cloud Types?
  20. Why Don't We Try To Destroy Tropical Cyclones?