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Homeowners InsuranceHomeowners Insurance Homeowners Insurance usually does not cover the most common geologic hazards. Kyanitekyanite Kyanite is a metamorphic mineral used to make porcelain, abrasive products and gems. What is a Maar?What is a Maar? What is a Maar? The second most common volcanic landscape feature on Earth.
MisconceptionDiamonds from Coal Diamond Misconception - Many people think that diamonds form from coal. Not True! Geology ToolsGeology Tools Geology Tools Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans. What is a Geyser?What is a Geyser? What is a Geyser? Photos and information about geysers in many parts of the world.
Tanzanitetanzanite Tanzanite was unknown until a few decades ago but it has erupted into wide popularity. Hydraulic FracturingHydraulic Fracturing Hydraulic fracturing increases well yield by fracturing the reservoir rock with fluid injection. Facts About CopperCopper Facts About Copper - Information about copper uses, production, resources and more.
Geology of Heliumhelium Helium is a byproduct of the natural gas industry. Its most important use is in MRI. RhyoliteRhyolite Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma. What are Glaciers?What are Glaciers? What are Glaciers? Learn how glaciers form, flow, advance, retreat, and change over time.
San Andreas Fault MapSan Andreas Fault Map Google Map of the San Andreas Fault Zoom in to see the fault trace on satellite images. Horizontal DrillingHorizontal Drilling Horizontal Drilling has opened new resources and significantly improved productivity. SandSand Sand is a diverse material. This gallery includes photos of sand from around the world.
Salt DomesSalt Domes Salt Domes - Salt structures that are often associated with oil and natural gas accumulations. Eagle Ford ShaleEagle Ford Shale Eagle Ford Shale - One of the most prolific oil and gas producers in the United States. Cave of the HandsCave of the Hands Cave of the Hands is a cave where ancient people painted hands about 9000 years ago.
Earthquake MapsCalifornia Earthquake Maps California Earthquake Maps A collection of isoseismal maps for earthquakes in California. TurquoiseTurquoise Turquoise - A bluish-green gem material that has been used for over 6000 years. Dowsingdowsing Dowsing is a method used to find underground water that is rejected by most geologists.
Geology of GemsGeology of Gems Geology of Gems - The first comprehensive book on the geology of gem deposits. Expansive SoilExpansive Soil Expansive Soil Causes more damage than floods, hurricanes & tornadoes combined. ShaleShale Shale - The rock that has quickly transformed the oil and gas industry.
HematiteHematite on Mars Hematite - The most important ore of iron. A source of mineral pigment since prehistory. What is Geology?What is Geology? What is Geology? - The study of Earth materials, structures, processes and life over time. Great Rift ValleyGreat Rift Valley The East Africa Rift System - The extensive fault system that is tearing Africa apart.
Tallest TsunamiTallest Tsunami Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska. LabradoriteLabradorite Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-colors Quartzitequartzite Quartzite is metamorphic rock formed when sandstone is subjected to heat and pressure.
US Diamond MinesUS Diamond Mines US Diamond Mines - Did you know that diamonds have been mined in the United States? Lightning Strikes MapLightning Strikes Map Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity. Fluorescent MineralsFluorescent Minerals Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
What Is Earth Science?What Is Earth Science? What Is Earth Science? The study of Earth and its neighbors in space. Learn more! 100+ Gemstonescolored stones 100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure. CorundumCorundum Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
Blue FlamesBlue Flames Blue Flames and the largest highly acidic lake in the world at Kawah Ijen Volcano. Google Earth - FreeDownload Google Earth Free Free Google Earth software allows you to browse seamless world satellite images. Free. DiamondsDiamonds Diamonds - Learn about the properties of diamond, its many uses and diamond discoveries.
Crushed StoneCrushed Stone Crushed Stone - About four tons per person is used each year in the United States. Volcanic ExplosivityVolcanic Explosivity Volcanic Explosivity - Rating volcanic eruptions based upon the volume of tephra ejected. AzuriteAzurite Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material.
Gold PansGold Pans Gold Pans and Panning Kits - classifiers, snuffer bottles. Pans sized for kids to Goliath. MeteoritesMeteorites Meteorites - Rocks that were once parts of planets or large asteroids. Hardness Pickshardness picks Hardness Picks - Mohs hardness testing with precise and easy-to-use hardness picks.
Deepest LakeDeepest Lake in the World Deepest Lake in the World Lake Baikal in southern Russia is the deepest lake in the World. USA Landslide MapLandslides Landslide Incidence Map - A USGS map showing landslide incidence in the United States. Rare Earth ElementsRare Earth Elements Rare Earths - Special materials used in electronics, defense, medical & many other products.
EmeraldEmerald Emerald is the most popular green gemstone in the United States and most of the world. Utica Well DensityUtica wells Utica Well Density A surprising density of horizontal wells in the Utica Shale of Ohio. PeridotitePeridotite Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink.
Mineral HardnessMohs Hardness Test Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing. What Are Minerals?What Are Minerals? Minerals are the building blocks of our society. We use items made with them every day. Hand LensHand Lens Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
The Brewery Rock ?diatomite The Rock Used to Make Beer - Geologists are beer experts and should know about this rock. Mount EtnaMount Etna Mount Etna - The most active volcano in Europe continues an eruption that started in 2001. Mount VesuviusMount Vesuvius Mount Vesuvius - geology, history, maps, facts and more about the Vesuvius eruptions.
Sea Level Rise MapsSea Level Rise Maps Sea Level Rise Maps - See what will be flooded as sea level rises. RocksRocks Rocks - Galleries of igneous, sedimentary and metamorphic rock photos with descriptions. Crater of DiamondsCrater of Diamonds Crater of Diamonds - The only diamond mine in the world where you can be the miner.
What is LNG?What is LNG? What is LNG? The use of LNG as an energy source is growing rapidly. Learn more about LNG. Watch out for Ticks!ticks Ticks are a problem for geologists in some areas. Learn to recognize and avoid them. SunstoneSunstone Sunstone - A gem feldspar with aventurescence caused by light reflecting from platy inclusions.
UV Mineral LampUV Mineral Lamp Portable UV Lamp - Short and long wave UV for fluorescent mineral viewing. ChalcopyriteChalcopyrite Chalcopyrite - The most important ore of copper for over five thousand years. Uses of GoldUses of Gold The Many Uses of Gold - Unique properties make gold one of the most useful metals.
Tallest MountainTallest Mountain Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth. Types Of EruptionsTypes Of Eruptions Types of Volcanic Eruptions - A description of the most common eruption types. Rock BagsRock Bags Rock Bags - Durable field bags with pockets for carrying maps, books, specimens and tools.
Huge Diamond DepositPopigai Diamonds The Largest Diamond Deposit in the world could be under Popigai Crater in Russia. RhodoniteRhodonite Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone. Wall MapsWall Maps Wall Maps - Wall maps of the world, continents, states and the USA.
GarnetGarnet Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses. Mineral RightsMineral Rights Mineral Rights Who owns the minerals under your land? Who wants to buy them? Gems from SpaceGems from Space Extraterrestrial Gems - A number of materials from space are used as attractive gems.
ObsidianObsidian Obsidian - the volcanic rock that cools so quickly that it becomes a natural glass. Rock ArtRock Art Rock Art - People have been marking on rocks for thousands of years. Methane HydrateMethane Hydrate Methane Hydrate deposits contain more fuel value than all other fossil fuels combined.
Petrified WoodPetrified Wood Petrified Wood is a fossil that forms when dissolved material preciptates and replaces wood. Rock KitsRock Kits Rock Kits for classroom and personal study. A great way to learn about rocks. What Is The Moho?What Is The Moho? What Is The Moho? The Mohorovicic Discontinuity is the mantle/crust boundary.
SoapstoneSoapstone Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects. Gem SilicaGem Silica Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony. Rocks on MarsRocks on Mars Rocks on Mars - Many of the rocks found on Mars are not very different from Earth rocks.
The Acid TestThe Acid Test The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals. Bear MapBear Map Range of Bear Species - Where you might encounter different types of bears. VolcanoesVolcanoes Volcanoes - Articles about volcanoes, volcanic hazards and eruptions past and present.
Ruby and Sapphireruby and sapphire Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States. Fire OpalFire Opal Fire Opal is a transparent to translucent opal with a yellow, orange or red background color. Uses of MarbleUses of Marble The Uses of Marble are numerous and diverse. You will be surprised by how it is used.
Sliding RocksSliding Rocks Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley? Largest VolcanoesLargest Volcanoes Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado. Lapis LazuliLapis Lazuli Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history.
Asteroid Impact MapAsteroid Impact Map Asteroid Impact Map - Explore fifty of the most obvious asteroid impact craters on Earth. San Andreas FaultSan Andreas Fault The San Andreas Fault - A feature that separates the Pacific and North American Plates. Record LightningLake Maracaibo Lightning World Record Lightning - this lake has more lightning than any other place in the world.
Red BerylRed Beryl Red Beryl is one of the rarest gems. Small amounts are mined at one locality in Utah. Frac SandFrac Sand Frac Sand - A specialty sand used to maintain porosity in hydraulic fracturing. Coal Close UpCoal through a microscope Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock.
GraniteGranite Granite - The intrusive igneous rock that underlies continents and countertops. MineraloidsMineraloids Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity. GemstonesGemstones Gemstones - Colorful images and articles about diamonds and colored stones.
Teacher ResourcesTeacher Resources Teacher Resources - K-12 resources for teaching about earth science. Antarctic Meteoriteshunting meteorites in Antarctica The Richest Meteorite Field - More meteorites found here than anywhere else on Earth. Bear AttacksBear Attacks Bear Attacks - Knowing how to react to a bear encounter or attack could save your life.
Ant Hill GarnetsAnt Hill Garnets Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest! Pavlof VolcanoPavlof Volcano Pavlof Volcano - one of the most active volcanoes in North America and threat to air traffic. Arctic Seafloor MapArctic Ocean Seafloor Map Arctic Ocean Seafloor Map The ridges, basins, shelves and rifts defining the Arctic seafloor.
Canadian DiamondsCanadian Diamonds Canadian Diamond Mines produce some of the largest and highest quality gems! Rock TumblersRock Tumblers Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler. Land Below Sea LevelLand Below Sea Level Land Below Sea Level - Did you know that dozens of land locations are below sea level?
Fireworks & MineralsMinerals and Fireworks The Science of Fireworks Learn how the colors and shapes are created. Diamond ProducersDiamond Production Diamond Production leaders include: Botswana, Russia, Angola and Canada. Chatoyant GemsChatoyant Gems Chatoyant Gems look like the eye of a cat. A line of light moves across the surface of the stone.
June 6, 1912Novarupta June 6, 1912 - The most powerful volcanic eruption of the 20th century. Olivine Rain?Olivine Rain? Olivine Rain? Spitzer Telescope discovered a rain of olivine crystals on protostar HOPS-68. Azurite GraniteK2 Granite Azurite Granite ? A white granite with blue orbs of azurite. A new material from Pakistan.
TourmalineTourmaline Tourmaline - the most colorful mineral and natural gem material on Earth. Oil Fields from Spacenatural gas flaring Oil Fields from Space - Night views of Earth show the distribution of oil field activity. Gfeller LeatherGfeller Leather Cases Gfeller Leather field cases, hammer holsters, lanyards, field belts, acid bottle cases, more.
Plate TectonicsPlate Tectonics Plate Tectonics - Articles and maps about plate tectonics and the interior of Earth. OpalsOpal Pictures of Opal - A collection of different types of opal from all around the world and Mars too! FossilsFossils Fossils - Learn about fossils and discoveries around the world.
Fee Mining SitesFee Mining Fee Mining sites are mines that you can enter, pay a fee, and keep anything that you find. Largest EarthquakeLargest Earthquake Largest Earthquake ever recorded - Magnitude 9.5. Chile, 1960. Oil and GasOil and Gas Oil and Gas - Articles about oil and natural gas in the US and around the world.
Geology in the News
Alberta*s Plan to Phase Out Coal
October 22 |
3D High-Speed Imaging of Explosive Volcanic Eruptions
October 21 | American Geophysical Union on YouTube
Blue HPHT Synthetic Diamond Over 10 Carats
October 21 | Gemological Institute of America
Screening of HPHT Synthetic Melee with Natural Diamonds
October 21 | Gemological Institute of America
UK Support for Fracking at an All Time Low
October 21 | Science Daily
Hawaii: The Per Capita Solar Electricity Leader
October 21 | Energy Information Administration
Highest Weekly Increase in Natural Gas Rig Count in Two Years
October 21 | Energy Information Administration
Hurricane Nicole*s Cold Water Wake
October 20 | NASA Earth Observatory
Low Oil Prices Damage Russian Government Revenue
October 20 | Energy Information Administration
Did Humans or Monkeys Make These Early Stone Tools?
October 20 | National Public Radio
Your Neanderthal DNA Might Be Doing You Some Good
October 20 | The Washington Post
Federal Funding for the Geosciences, 1970-2015
October 20 | American Geosciences Institute
Map of Horizontal Utica Wells in Ohio
October 20 |
Shale Drillers Going Long -- Not Deep
October 20 | Bloomberg Business
Size of the Geoscience Workforce in Various Countries
October 20 | American Geosciences Institute
Hurricane Nicole*s Cold Water Wake
October 20 | NASA Earth Observatory
Teslin High Performance Outdoor Paper
October 19 | (affiliated with
First European Mars Lander Will Chase Dust Storms
October 19 | National Geographic
Nitrogen Glaciers on Pluto
October 19 | NASA on YouTube
What are Glaciers?
October 19 |
New Lithium Discovery in Mexico
October 19 |
Advances in Landslide Understanding
October 19 | The Landslide Blog
The Aberfan Landslide Disaster
October 19 | The Landslide Blog
After the Storm - Hurricane Matthew and the Floods
October 18 | United States Geological Survey
The World*s Nine Largest Power Plants Are Hydroelectric Facilities
October 18 | Energy Information Administration
$170M Jade Boulder Found in Myanmar
October 18 |
Is Clean Coal an Option for India?
October 18 |
How Did the Planets Get Their Names?
October 18 | The Washington Post
What Was the Biggest Insect That Ever Lived?
October 18 | National Geographic
NASA*s Plan to Hunt for Fossils on Mars
October 18 | National Geographic
Arctic Ocean Map and Bathymetric Chart
October 18 |
Power Outages Caused by Hurricane Matthew in Map and Histogram
October 17 | Energy Information Administration
Water Quality Studies in the Texas Permian Basin
October 17 |
Simulating the Climate of 145 Million Years Ago
October 17 | EOS Earth and Space Science News
Where is Ghana?
October 17 |
Online Tracking of Ships Fights Illegal Fishing Worldwide
October 17 | EOS Earth and Space Science News
Where is Tanzania ?
October 17 |
How to Stay Safe During an Earthquake
October 16 | Manhattan Beach Patch
Video: Radioisotope Power for Spacecraft
October 15 | NASA on YouTube
U.S. Set to Double Shale Gas Exports
October 15 | Bloomberg Business
Mapping Geoelectric Hazards Across the United States
October 15 | EOS Earth and Space Science News
Scientists Spend Arctic Winter Adrift on Sea Ice
October 15 | EOS Earth and Space Science News
The Race for Lithium Heats Up
October 15 |
Rare Hurricane Hits Bermuda
October 14 | NASA Earth Observatory
Recovering and Recycling Paper Has Saved Energy
October 14 | Energy Information Administration
The Decline in U.S. O&G Exploratory Drilling is Slowing
October 13 | American Petroleum Institute
Photos of Opals of Many Kinds
October 13 |
New Dwarf Planet Found in Our Solar System
October 13 | Scientific American
What Happens When a Volcano Beneath a Glacier Erupts?
October 12 | National Science Foundation
Energy-Related CO2 Emissions Lowest Since 1991
October 12 | Energy Information Administration
Expanding the Historical Record of Landsat Imagery
October 12 | United States Geological Survey
Canadian Oil Sands Glut Fills Pipelines into U.S.
October 12 | Bloomberg Business
USGS Crews Measure Flooding in NC, SC, GA and FL
October 11 | United States Geological Survey
Potential Corrosivity of Untreated Groundwater in the United States
October 11 | United States Geological Survey
Scottish Boy, 12, Fnishes UAlberta Dinosaur MOOC
October 11 | University of Alberta
Study Paleontology at the University of Alberta
October 11 | University of Alberta on YouTube
Arctic Ocean Seafloor Features Map
October 11 |
Tips for Spotting Synthetic Rough in Gem Parcels
October 11 | International Gem Society
A Driller and a Geologist Walk Into a Bar
October 11 | Coring Magazine
New Fault Discovered in Earthquake-Prone Southern California Region
October 10 | Scripps Institution of Oceanography
Sources of Methane Greenhouse Emissions?
October 9 | National Public Radio
Hurricane Matthew Hits Georgia and the Carolinas
October 8 | The New York Times

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