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Geology and Earth Science

  Lonar Impact Crater
Lonar Impact Crater
India's Lonar Impact Crater: A one-mile wide crater formed between 35,000 and 50,000 years ago. NASA image.
  Most Popular
Rock Photo Galleries   Rock Photos: Three galleries of  igneous, sedimentary and metamorphic rock photos. They work well in classrooms with computer projection.
What is geology? What Does a Geologist Do?
Learn about the interesting work of geologists and watch two short videos about the relevance of geology today.
Maps of over 250 states, countries and provinces   Reference Maps:
  Country Maps
  United States Maps
  Canada Maps
  State Satellite Images
  US City Satellite Images
meteorites Meteorites: Learn about meteorites from 10 articles by meteorite hunter, Geoffrey Notkin. What are meteorites? irons, stones, stony-irons.
sliding rocks of racetrack playa Sliding Rocks of Racetrack Playa: How these rocks slide across a dry lake bed is a mystery. Learn what is thought to move them. © iStock / S. Hoerold
Earth Science What is Earth Science? It is the study of Earth and its neighbors in space. It includes geology, astronomy, meteorology & oceanography.
google map of the San Andreas Fault Google Map - San Andreas Fault: Zoom in to see the approximate location of the San Andreas.
Diamond Diamond: Articles, news, videos, production data, graphs, and information related to gem and industrial diamond worldwide.
marcellus shale gas Marcellus Shale: The most overlooked resource in the eastern United States!
Google map of asteroid impacts. Asteroid Impact Craters! Zoom in on 50 of Earth's largest impact craters with Google Maps.
rocks and minerals Rocks and Minerals:
View all of our Rock & Mineral articles and resources.
novarupta the most powerful volcano of the 20th century The Most Powerful Volcanic Eruption of the 20th Century:
A case of mistaken identity.
Roadside Geology Roadside Geology Guides:
Learn about the geology of your favorite state as seen along the highway. Filled with maps, photos, park locations and detailed descriptions. Get one before your next trip.
blood diamonds What are Blood Diamonds?
Have you seen the movie? Learn what "blood diamond" means.
herkimer diamonds Herkimer Diamonds: Learn how to find these doubly terminated quartz crystals at Herkimer, NY.
sea level rise map Sea Level Rise Map: A Google map that shows what will flood when sea level rises.
download google earth Download Google Earth Free!
High resolution 3D satellite views of Earth. Download it Free.
rock tumblers and tumbling instructions Free Guide to Rock Tumbling: Step-by-step guide to tumble and polish rocks into gemstones.
Kilauea lava photos Recent Photos of Kilauea: Spectacular USGS photos of lava flows pouring into the Pacific.
What is a geyser? What is a Geyser? Photos of geysers from around the world. What causes them, how often do they erupt, how high, conditions that produce them, eruption statistics and lots more.
bottled water geology The Geology of Bottled Water: It costs 1000x as much as tap water. What are you getting?
tsunami diagram What Causes a Tsunami?
Learn how plate motions trigger earthquakes and tsunamis.
google map of highest points in each state Highest Points in All 50 States: Google map of state high points.
meteor meteorite Meteors, Meteorites, Fireballs! What are those bright streaks in the night sky?
nasa articles and images NASA Images and Articles: Spectacular images of planets and galaxies, plus interesting articles about NASA missions and discoveries.
what is the Moho What is the Moho? Learn about the Mohorovičić Discontinuity.
yosemite rockfall Spectacular Yosemite Rockfall:A photo sequence of the fall and debris avalanche by Herb Dunn.
Mineral Rights Mineral Rights / Oil & Gas: Who owns the minerals under your land? Have they been sold? Can someone mine without your permission?
uses of gold The Many Uses of Gold: Learn how the unique properties of gold make it extremely suited for a large number of industrial uses.
Mount Vesuvius Mount Vesuvius: An interesting article with photos and maps that describes the volcano's eruption history, geologic hazards, plate tectonics and more. By Jessica Ball.
Volcanoes Volcanoes! A page that links to all of our volcano articles and to the best volcano information that we could find.
Sahara Desert satellite image Sahara Desert Satellite Images: Zoom in on pyramids, craters, volcanoes, dunes, Timbuktu.
Observing Earth from Space Observing Earth from Space: Amazing satellite images that help us learn about Earth, appreciate its beauty and discover how it works.
sand grains "A Grain of Sand": A gallery of sand grains from around the world as photographed through a microscope by Dr. Gary Greenberg.
natural gas plays Natural Gas Shales: An explosion of natural gas leasing and drilling activity is happening across the US: Marcellus, Haynesville, Utica, Fayetteville and Barnett Shale.
Elements of Geology a classic text Elements of Geology: A classic geology text written in 1871. The entire book republished here.
The present is the key to the past.
 Marine Bone Deposit
Largest marine bone deposit
The World's Richest and Most Extensive Marine Bone Deposit: Was it a "killing field" or the site of a sudden "die off?"
 New Earth Science Topics
Synthetic diamonds Synthetic Diamonds: The chemical vapor deposition method is used to grow large, near-flawless diamonds for special use in industry.
Depth of magma formation Depth of Magma Formation in Subduction Zones: Chlorite determines the depth of magma formation in subuction zones.
Snow runoff map Dirty Snow Causes Early Runoff: Pollution and soot can increase the heat gain of snowcover and cause it to melt earlier in the spring.
Atmospheric lead Atmospheric Lead, Cloud Formation and Climate Change: Lead can promote the formation of ice crystals that foster clouds.
Diamond inclusions Platinum Inclusions In Diamonds: Understanding platinum mineralization by studying its intimate association with diamonds.
Natural gas from algae Natural Gas Produced By Algae: A renewable source of domestic natural gas from aquatic biomass that is easy to grow and process.
Tennessee seismic zone map Earthquakes in the Eastern Tennessee Seismic Zone: A study of earthquake activity in a seismic zone where faults do not cut the surface.
Enhanced oil recovery Enhanced Oil Recovery Through Nano-Research: A microscopic study of voids in an oil reservoir may yield clues that boost production.
Botswana diamond mine Botswana Diamond Mine: Satellite image of Jwaneng diamond mine. In terms of value it is the most productive mine in the world.
Mariana Trench Exploring the Mariana Trench: Nereus, a robotic vehicle, explored Challenger Deep, setting a world record for a 6.8 mile deep dive.
collecting meteorites How To Start A Meteorite Collection: Geoffrey Notkin of Aerolite Meteorites gives tips and guidance on starting a meteorite collection.
diamond production What Countries Produce Gem-Quality Diamonds? Map, graphs, and leadership trends for gem-quality diamonds worldwide.
Carbon dioxide storage Forests as Carbon Dioxide Storage Units: The impact of agricultural deforestation on carbon dioxide levels in Earth's atmosphere.
Manganese nodules Manganese Deposition by Bacteria and Algae: How organisms trigger formation of manganese nodules and crusts on the ocean floor.
Climate change map Ocean Area Impact Map: A map documents where climate change, commercial and recreational activities are impacting the ocean.
Top ten new species for 2009 Top Ten New Species: These amazing plants and creatures were the top picks of the International Institute for Species Exploration at ASU.
Lake Eyre Australia Flooding Lake Eyre Australia Flooding: Satellite images of the Lake Eyre basin in Australia, before and after a rare flooding event in May, 2009.
Kilauea Lava Flows Kilauea Lava Flows: Satellite images of the lava fields that stretch from the Pu‘u ‘O‘o Crater to a steaming lava entry at the Pacific Ocean.
Beautiful agate photos Beautiful Photos of Agates: A gallery of spectacular agate photos and descriptions prepared by Professor Richard Weston.
Carbonatite lava flows at Oldoinyo Lengai Carbonatite Lava Flows at Oldoinyo Lengai: These carbon dioxide-rich lavas are some of the most fluid in the world. They flow like motor oil.
How old are the Andes Mountains? How Old Are The Andes Mountains? New research suggests that the growth of the Andes Mountains began much earlier than 7 MYA.
Concrete's carbon footprint is smaller than previously thought Concrete's Carbon Footprint Reconsidered: Production of concrete produces lots of CO2 but concrete later absorbs the gas from the atmosphere.
Oil and natural gas investment information So, you want to invest in a natural gas well? Petroleum engineer and investment advisor, Kenny DuBose, wants you to ask... "Why did this deal come my way?"
North Carolina natural gas Shale Gas in North Carolina? Is there a potential to produce natural gas from shale reservoirs beneath several North Carolina counties?
Esquel, a stony-iron meteorite Stony-Iron Meteorites: Geoffrey Notkin of Aerolite Meteorites tells the story of the stony-irons and shares some great photographs.
Water resources and the Marcellus Shale Water Resources and the Marcellus Shale: A USGS Fact Sheet that explores the water demands of drilling and hydrofracing the Marcellus.
Yellowstone Supervolcano Yellowstone Supervolcano: Three USGS videos that explain the history and eruptive activity of the Yellowstone supervolcano.
Lightning in Redoubt Volcano Ash Cloud Redoubt Volcano Lightning: Photographs of lightning in the Redoubt Volcano ash cloud taken by Brentwood Higman, March, 2009.
Sediment entering the Gulf of Mexico Gulf of Mexico Sediment: Muddy water from the Mississippi and Atchafalaya Rivers roil the Gulf of Mexico in this NASA satellite image.
Great Blue Hole, Belize Great Blue Hole: A NASA image of this circular depression in the Lighthouse Reef Atoll. Its 1000 feet across and 400 feet deep!
Chaiten information and pictures Chaitén Volcano: Erupted in 2008 for the first time in 9,400 years. Jessica Ball describes Chaitén's history, hazards & tectonic setting.
Drift River Oil Terminal Drift River Oil Terminal: Ground Truth Trekking explores why this facility was built below Redoubt Volcano and the hazards threatening it.
Green River Formation oil shale Colorado Oil Shale: A USGS reassessment reveals that there is 50% more in-place oil than preveiously estimated.
Redoubt Volcano 2009 eruptions Redoubt Volcano Eruption: A collection of USGS / AVO images of the March, 2009 eruption of Mount Redoubt volcano in Alaska.
Fires in Nepal Nepal Forest Fires: Plumes of smoke stream across the Himalayas and out over India from forest and agricultural fires in Nepal.
nephrite jade What is Jade? Learn about the uses of jade. It has been used to make ornaments and tools for thousands of years. Image © iStock / A. Benedek.
Redoubt Volcano images and information Redoubt Volcano: Now showing signs of possible eruption, Jessica Ball describes Redoubt's eruptive history, hazards & tectonics.
Erosion on Alaska's arctic coast Alaska Coastal Erosion: Erosion rates have doubled in northern Alaska - up to 45 feet per year. View recent USGS photos on the Beaufort Sea.
Oil is found first in the mind.
  Earth Science News
A Quote From Charles Darwin:  Geologists constantly deal with fragmentary data. It's what...

Earth Science Week Photo Gallery:  Every year, thousands of people all around the...

Paleontologists Visit Creation Museum:  About seventy paleontologists attending the North American Paleontological...

Video: Do Diamonds Burn?:  Diamonds are composed of carbon and many people...

Raven Maps: Spectacular State Wall Maps:  Raven Maps are the most beautiful state wall...

Ocean Temperatures and Hurricanes:  Why do hurricanes tend to occur in some...

Ocean in Saturn's Moon Enceladus:  It is thought that there may be an...

Sarychev Peak: New Volcanic Rock:  NASA has a new satellite image of Sarychev...

Status of State Geological Surveys:  With the difficult economy only a few state...

Observing the International Space Station:  This weekend Americans will be able to observe...

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  For Teachers
Teacher resources Earth Science Teaching Ideas: Links to some of our own ideas and the best that we could find on the web.
plate tectonics drawing   Teaching Plate Tectonics: Ideas for teaching plate tectonics with easy-to-draw illustrations.
Mineral identification chart   Mineral Identification Chart Printable mineral ID chart by Art Crossman in MS Excel format.
google earth map of plate tectonics Zoom in on Plate Boundaries! Explore them with Google maps.
  Reference
Maps of over 250 states, countries and provinces   Reference Maps:
  Country Maps
  United States Maps
  Canada Maps
  State Satellite Images
  US City Satellite Images
geology dictionary   Geology Dictionary:
Look up definitions in our free geology dictionary. Hundreds of geology term definitions at your fingertips.
geologic time scale   Geologic Time Scale: Printable time scale in MS Word format for teacher or student use.
  Rock Photo Collections
pumice
Rock Photo Galleries:  Igneous Rocks, Metamorphic Rocks, Sedimentary Rocks.
  Geologist Information
Geology Jobs Geology Jobs
Geologist Salary Information
What Does a Geologist Do?
Geoscience Societies
Geology Schools
Graduate Study in Geology
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Geology Field Camp
Worldwide GeoSurveys
  Countries In The News
Afghanistan
Australia
Brazil
Canada
China
Egypt
France
Germany 		India
Iran
Iraq
Israel
Italy
Japan
Mexico
N. Korea 		Pakistan
Philippines
Russia
S. Korea
Spain
Sudan
U.S.A
Venezuela
  Interesting
gemstones from the U.S. United States Gemstones: What states produce the most gems?
Denver gem and mineral show Denver Gem and Mineral Show: Photo report by Geoffrey Notkin.
coal through a microscope Coal Through a Microscope: Coal is more than a black rock. It's THE most interesting rock.
uses of granite Uses of Granite: The rock used for everything from kitchen counters to street curbing to the facing stone of skyscrapers.
pictures of the universe Pictures of the Universe: Views of the most interesting objects in our universe by NASA.
monitoring volcanoes from space Monitoring Volcanoes From Space: Learn how NASA keeps an eye on remote volcanoes.
homeowners policy Homeowners Insurance: The typical homeowners policy does't cover natural hazards. It is simply a fire and liability policy.
map of the arctic Who Owns the Arctic? USGS estimates that 25% of all new oil & gas will be found in the Arctic.
East Africa Rift The East Africa Rift System: Learn some basics about the East Africa Rift System from this article by James Wood and Alex Guth of Michigan Technological University.
expansive soil Expansive Soil: Causes more damage than earthquakes, floods, hurricanes & tornadoes combined.
  Earth Science Records
World's Highest Mountain
Deepest Point in the Ocean
World's Largest Lake
World's Highest Waterfall
World's Deepest Lake
World's Largest Desert
World's Deepest Canyon
World's Largest Tsunami
Geology underlies it all.

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