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ChalcopyriteChalcopyrite Chalcopyrite - The most important ore of copper for over five thousand years. MineralsMinerals Minerals Descriptions, photos, articles, properties and uses for common minerals. Facts About CopperCopper Facts About Copper - Information about copper uses, production, resources and more.
What is LNG?What is LNG? What is LNG? The use of LNG as an energy source is growing rapidly. Learn more about LNG. GarnetGarnet Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses. UV Mineral LampUV Mineral Lamp Portable UV Lamp - Short and long wave UV for fluorescent mineral viewing.
ShaleShale Shale - The rock that has quickly transformed the oil and gas industry. Frac SandFrac Sand Frac Sand - A specialty sand used to maintain porosity in hydraulic fracturing. Mount VesuviusMount Vesuvius Mount Vesuvius - geology, history, maps, facts and more about the Vesuvius eruptions.
PeridotitePeridotite Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink. Hydraulic FracturingHydraulic Fracturing Hydraulic fracturing increases well yield by fracturing the reservoir rock with fluid injection. Rare Earth ElementsRare Earth Elements Rare Earths - Special materials used in electronics, defense, medical & many other products.
Diamond ProducersDiamond Production Diamond Production leaders include: Botswana, Russia, Angola and Canada. Blue FlamesBlue Flames Blue Flames and the largest highly acidic lake in the world at Kawah Ijen Volcano. Methane HydrateMethane Hydrate Methane Hydrate deposits contain more fuel value than all other fossil fuels combined.
Life on Europa?Life on Europa Life on Europa could exist in a salty ocean deep below its frozen surface. SunstoneSunstone Sunstone - A gem feldspar with aventurescence caused by light reflecting from platy inclusions. What Is Earth Science?What Is Earth Science? What Is Earth Science? The study of Earth and its neighbors in space. Learn more!
Mount EtnaMount Etna Mount Etna - The most active volcano in Europe continues an eruption that started in 2001. Rocks on MarsRocks on Mars Rocks on Mars - Many of the rocks found on Mars are not very different from Earth rocks. ZirconZircon Zircon is the primary ore of zirconium and a gemstone that is available in many colors.
Wall MapsWall Maps Wall Maps - Wall maps of the world, continents, states and the USA. Fire OpalFire Opal Fire Opal is a transparent to translucent opal with a yellow, orange or red background color. Rock ArtRock Art Rock Art - People have been marking on rocks for thousands of years.
Mineral RightsMineral Rights Mineral Rights Who owns the minerals under your land? Who wants to buy them? Tallest MountainTallest Mountain Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth. Uses of GoldUses of Gold The Many Uses of Gold - Unique properties make gold one of the most useful metals.
ObsidianObsidian Obsidian - the volcanic rock that cools so quickly that it becomes a natural glass. Lapis LazuliLapis Lazuli Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history. DiamondsDiamonds Diamonds - Learn about the properties of diamond, its many uses and diamond discoveries.
Crater of DiamondsCrater of Diamonds Crater of Diamonds - The only diamond mine in the world where you can be the miner. Google Earth - FreeDownload Google Earth Free Free Google Earth software allows you to browse seamless world satellite images. Free. Gems from SpaceGems from Space Extraterrestrial Gems - A number of materials from space are used as attractive gems.
Sea Level Rise MapsSea Level Rise Maps Sea Level Rise Maps - See what will be flooded as sea level rises. Petrified WoodPetrified Wood Petrified Wood is a fossil that forms when dissolved material preciptates and replaces wood. GemstonesGemstones Gemstones - Colorful images and articles about diamonds and colored stones.
The Brewery Rock ?diatomite The Rock Used to Make Beer - Geologists are beer experts and should know about this rock. Rock KitsRock Kits Rock Kits for classroom and personal study. A great way to learn about rocks. AmmoliteAmmolite Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites.
GraniteGranite Granite - The intrusive igneous rock that underlies continents and countertops. RocksRocks Rocks - Galleries of igneous, sedimentary and metamorphic rock photos with descriptions. Eagle Ford ShaleEagle Ford Shale Eagle Ford Shale - One of the most prolific oil and gas producers in the United States.
Tanzanitetanzanite Tanzanite was unknown until a few decades ago but it has erupted into wide popularity. San Andreas FaultSan Andreas Fault The San Andreas Fault - A feature that separates the Pacific and North American Plates. Coal Close UpCoal through a microscope Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock.
Canadian DiamondsCanadian Diamonds Canada is one of the world*s leading producers of gem-quality diamonds. What is Geology?What is Geology? What is Geology? - The study of Earth materials, structures, processes and life over time. VolcanoesVolcanoes Volcanoes - Articles about volcanoes, volcanic hazards and eruptions past and present.
What Is The Moho?What Is The Moho? What Is The Moho? The Mohorovicic Discontinuity is the mantle/crust boundary. Record LightningLake Maracaibo Lightning World Record Lightning - this lake has more lightning than any other place in the world. Gem SilicaGem Silica Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony.
Homeowners InsuranceHomeowners Insurance Homeowners Insurance usually does not cover the most common geologic hazards. Land Below Sea LevelLand Below Sea Level Land Below Sea Level - Did you know that dozens of land locations are below sea level? LabradoriteLabradorite Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-colors
Asteroid Impact MapAsteroid Impact Map Asteroid Impact Map - Explore fifty of the most obvious asteroid impact craters on Earth. Bear MapBear Map Range of Bear Species - Where you might encounter different types of bears. Sliding RocksSliding Rocks Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley?
Ant Hill GarnetsAnt Hill Garnets Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest! Bear AttacksBear Attacks Bear Attacks - Knowing how to react to a bear encounter or attack could save your life. Great Rift ValleyGreat Rift Valley The East Africa Rift System - The extensive fault system that is tearing Africa apart.
Types Of EruptionsTypes Of Eruptions Types of Volcanic Eruptions - A description of the most common eruption types. Quartzitequartzite Quartzite is metamorphic rock formed when sandstone is subjected to heat and pressure. OlivineOlivine Olivine - Abundant in Earth*s mantle. A constituent of meteorites. The gem peridot.
Geology ToolsGeology Tools Geology Tools Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans. Ruby and Sapphireruby and sapphire Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States. Teacher ResourcesTeacher Resources Teacher Resources - K-12 resources for teaching about earth science.
USA Landslide MapLandslides Landslide Incidence Map - A USGS map showing landslide incidence in the United States. Fluorescent MineralsFluorescent Minerals Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light. Deepest LakeDeepest Lake in the World Deepest Lake in the World Lake Baikal in southern Russia is the deepest lake in the World.
Geology of Heliumhelium Helium is a byproduct of the natural gas industry. Its most important use is in MRI. Rock TumblersRock Tumblers Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler. TurquoiseTurquoise Turquoise - A bluish-green gem material that has been used for over 6000 years.
The Acid TestThe Acid Test The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals. CorundumCorundum Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire. 100+ Gemstonescolored stones 100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
MisconceptionDiamonds from Coal Diamond Misconception - Many people think that diamonds form from coal. Not True! EmeraldEmerald Emerald is the most popular green gemstone in the United States and most of the world. Red BerylRed Beryl Red Beryl is one of the rarest gems. Small amounts are mined at one locality in Utah.
Dowsingdowsing Dowsing is a method used to find underground water that is rejected by most geologists. MeteoritesMeteorites Meteorites - Rocks that were once parts of planets or large asteroids. What are Glaciers?What are Glaciers? What are Glaciers? Learn how glaciers form, flow, advance, retreat, and change over time.
Volcanic ExplosivityVolcanic Explosivity Volcanic Explosivity - Rating volcanic eruptions based upon the volume of tephra ejected. Lightning Strikes MapLightning Strikes Map Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity. What is a Geyser?What is a Geyser? What is a Geyser? Photos and information about geysers in many parts of the world.
Mineral HardnessMohs Hardness Test Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing. RhodoniteRhodonite Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone. Field CoursesField Camps Field Courses - Over 80 field courses for undergraduate geology students.
RhodochrositeRhodochrosite Rhodochrosite - a manganese mineral used as an ore, a pink gem and an ornamental stone. MineraloidsMineraloids Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity. 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. Cave of the HandsCave of the Hands Cave of the Hands is a cave where ancient people painted hands about 9000 years ago. Expansive SoilExpansive Soil Expansive Soil Causes more damage than floods, hurricanes & tornadoes combined.
Watch out for Ticks!ticks Ticks are a problem for geologists in some areas. Learn to recognize and avoid them. Uses of MarbleUses of Marble The Uses of Marble are numerous and diverse. You will be surprised by how it is used. Horizontal DrillingHorizontal Drilling Horizontal Drilling has opened new resources and significantly improved productivity.
Huge Diamond DepositPopigai Diamonds The Largest Diamond Deposit in the world could be under Popigai Crater in Russia. San Andreas Fault MapSan Andreas Fault Map Google Map of the San Andreas Fault Zoom in to see the fault trace on satellite images. SandSand Sand is a diverse material. This gallery includes photos of sand from around the world.
RhyoliteRhyolite Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma. Kyanitekyanite Kyanite is a metamorphic mineral used to make porcelain, abrasive products and gems. Largest VolcanoesLargest Volcanoes Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado.
Earthquake MapsCalifornia Earthquake Maps California Earthquake Maps A collection of isoseismal maps for earthquakes in California. SoapstoneSoapstone Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects. What is a Maar?What is a Maar? What is a Maar? The second most common volcanic landscape feature on Earth.
Hardness Pickshardness picks Hardness Picks - Mohs hardness testing with precise and easy-to-use hardness picks. HematiteHematite on Mars Hematite - The most important ore of iron. A source of mineral pigment since prehistory. Antarctic Meteoriteshunting meteorites in Antarctica The Richest Meteorite Field - More meteorites found here than anywhere else on Earth.
AzuriteAzurite Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material. June 6, 1912Novarupta June 6, 1912 - The most powerful volcanic eruption of the 20th century. Arctic Seafloor MapArctic Ocean Seafloor Map Arctic Ocean Seafloor Map The ridges, basins, shelves and rifts defining the Arctic seafloor.
Oil Fields from Spacenatural gas flaring Oil Fields from Space - Night views of Earth show the distribution of oil field activity. Crushed StoneCrushed Stone Crushed Stone - About four tons per person is used each year in the United States. Salt DomesSalt Domes Salt Domes - Salt structures that are often associated with oil and natural gas accumulations.
Tallest TsunamiTallest Tsunami Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska. US Diamond MinesUS Diamond Mines US Diamond Mines - Did you know that diamonds have been mined in the United States? Hand LensHand Lens Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Plate TectonicsPlate Tectonics Plate Tectonics - Articles and maps about plate tectonics and the interior of Earth. Gold PansGold Pans Gold Pans and Panning Kits - classifiers, snuffer bottles. Pans sized for kids to Goliath. Mount ClevelandMount Cleveland Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.
Pavlof VolcanoPavlof Volcano Pavlof Volcano - one of the most active volcanoes in North America and threat to air traffic. Oil and GasOil and Gas Oil and Gas - Articles about oil and natural gas in the US and around the world. 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. OpalsOpal Pictures of Opal - A collection of different types of opal from all around the world and Mars too! Largest EarthquakeLargest Earthquake Largest Earthquake ever recorded - Magnitude 9.5. Chile, 1960.
     
Geology in the News
Synthesizing Our Understanding of Earth*s Deep Carbon
February 27 | EOS Earth and Space Science News
Sapphire Rush Near Ambatondrazaka, Madagascar
February 26 | Gemological Institute of America
Lake Chelan Geology
February 26 | Central Washington University
Quartz Windows in Chalcedony
February 26 | Gemological Institute of America
Antarctica*s Sea Ice Shrinks to New Record Low
February 25 | National Geographic
Water Well Owner App
February 25 | The National Groundwater Association
Volcano Overflight: Piton de la Fournaise
February 25 | National Geographic
Rising Temperatures Stole the Colorado River
February 25 | Aspen Daily News
Colorado River, Water Source for 40M, Is Shrinking
February 25 | The Denver Channel
Imitation Rubellite Boulders to Fool Rough Buyers
February 24 | Gemological Institute of America
M5.7 Earthquake - East Africa Rift - Northern Zambia
February 24 | United States Geological Survey
What is the East Africa Rift System?
February 24 | Geology.com
Where is Zambia?
February 24 | Geology.com
Geoengineering Solutions to Climate Change?
February 24 | EOS Earth and Space Science News
Gross Natural Gas Production in Shale Play Regions
February 24 | Energy Information Administration
Pulses of Rising Magma in Sierra Nevada*s Past
February 24 | EOS Earth and Space Science News
Inclusions in Natural, Synthetic, and Treated Emerald
February 24 | Gemological Institute of America
Free Printable Graph Paper
February 24 | WaterproofPaper.com affiliated with Geology
Exxon Slashes 3.5BB of Proved Reserves
February 23 | Bloomberg Business
Huge Growth in China*s Use of Methanol
February 23 | Energy Information Administration
Snow in the Middle East
February 23 | NASA Earth Observatory
Update on Gemstone Mining in Northern Mozambique
February 22 | Gemological Institute of America
Coastal Subsidence: Harbinger of Future Flooding?
February 22 | Speaking of Geoscience
LNG Exports Expected to Drive Growth in U.S. Natural Gas Trade
February 22 | Energy Information Administration
What Is LNG?
February 22 | Geology.com
Predicting Postfire Debris Flows Saves Lives
February 22 | United States Geological Survey
Scientists Want YOU to Help Make a Solar Eclipse Movie
February 22 | Christian Science Monitor
How NASA Could Land on Europa
February 22 | EOS Earth and Space Science News
How Climate Change Affects the Flow of Carbon from Land to Sea
February 21 | EOS Earth and Space Science News
Satellite Views of Louisiana Tornadoes
February 21 | EOS Earth and Space Science News
Swirling Eddies in the Antarctic May Have Global Impacts
February 21 | EOS Earth and Space Science News
Earthquakes in Lawrence County, PA Linked to Fracking
February 20 | Pittsburgh Post-Gazette
What is Frac Sand?
February 20 | Geology.com
Repeated Red Alerts at Bogoslof Volcano
February 20 | Alaska Volcano Observatory
Big Shale Oil Find in Iran
February 20 | Reuters
Major Mudslides and Flooding in Los Angeles Area
February 19 | Los Angeles Times
Free Climbing *Solar Flare*
February 19 | The North Face on YouTube
Arkansas: State Energy Report
February 18 | Energy Information Administration
Uses of Lead
February 18 | Geology.com
Uses of Zinc
February 18 | Geology.com
Fires Threaten Christchurch
February 17 | NASA Earth Observatory
M4.5 Earthquake Off Hawaii
February 17 | United States Geological Survey
Visit Two of Mogok*s Most Important Mines with GIA
February 17 | Gemological Institute of America
Oroville Dam Spillway Incident Status Summary
February 17 | Los Angeles Times
An Ice World...With an Ocean?
February 17 | NASA
Gem-Quality Danburite from Luc Yen Mining Area, Vietnam
February 16 | Gemological Institute of America
U.S. Uranium Production Lowest Since 2005
February 16 | Energy Information Administration
India Launches 104 Satellites With a Single Rocket
February 16 | The Christian Science Monitor
Free Printable Graph Paper - Grid, Polar, Ternary
February 16 | WaterproofPaper.com - Affiliated with Geology.com
What Are Rare Earth Elements?
February 15 | Geology.com
Bill Introduced in Nevada to Prohibit Hydraulic Fracturing
February 15 | Las Vegas ReviewJournal
What is Hydraulic Fracturing?
February 15 | Geology.com
Are Shale*s Days Numbered?
February 15 | FuelFix
What is Shale?
February 15 | Geology.com
EIA: Short-Term Global Oil Demand Outlook
February 15 | Energy Information Administration
The Dongla Landslide in Sichuan, China
February 15 | The Landslide Blog
Landsat Eyes Help Guard the World*s Forests
February 15 | United States Geological Survey
Another Large Diamond from Lulo
February 15 | Mining.com
Pollution Has Worked Its Way Down To The World*s Deepest Waters
February 14 | Public Broadcasting Atlanta
Alaska Volcano Observatory Thanks the People of Unalaska
February 14 | Alaska Volcano Observatory
Thousands Evacuate Below Oroville Dam
February 14 | Los Angeles Times
Oroville Dam Warnings in 2005
February 14 | The Washington Post
Australia*s $5B Bet on Clean Coal
February 13 | Mining.com
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