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GarnetGarnet Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses. MineralsMinerals Minerals Descriptions, photos, articles, properties and uses for common minerals. ShaleShale Shale - The rock that has quickly transformed the oil and gas industry.
Mount VesuviusMount Vesuvius Mount Vesuvius - geology, history, maps, facts and more about the Vesuvius eruptions. 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.
PeridotitePeridotite Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink. Diamond ProducersDiamond Production Diamond Production leaders include: Botswana, Russia, Angola and Canada. 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. Blue FlamesBlue Flames Blue Flames and the largest highly acidic lake in the world at Kawah Ijen Volcano. SunstoneSunstone Sunstone - A gem feldspar with aventurescence caused by light reflecting from platy inclusions.
Mount EtnaMount Etna Mount Etna - The most active volcano in Europe continues an eruption that started in 2001. What Is Earth Science?What Is Earth Science? What Is Earth Science? The study of Earth and its neighbors in space. Learn more! 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.
Frac SandFrac Sand Frac Sand - A specialty sand used to maintain porosity in hydraulic fracturing. What is LNG?What is LNG? What is LNG? The use of LNG as an energy source is growing rapidly. Learn more about LNG. Crater of DiamondsCrater of Diamonds Crater of Diamonds - The only diamond mine in the world where you can be the miner.
DiamondsDiamonds Diamonds - Learn about the properties of diamond, its many uses and diamond discoveries. 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.
Petrified WoodPetrified Wood Petrified Wood is a fossil that forms when dissolved material preciptates and replaces wood. Eagle Ford ShaleEagle Ford Shale Eagle Ford Shale - One of the most prolific oil and gas producers in the United States. Sea Level Rise MapsSea Level Rise Maps Sea Level Rise Maps - See what will be flooded as sea level rises.
Tanzanitetanzanite Tanzanite was unknown until a few decades ago but it has erupted into wide popularity. Canadian DiamondsCanadian Diamonds Canada is one of the world*s leading producers of gem-quality diamonds. GemstonesGemstones Gemstones - Colorful images and articles about diamonds and colored stones.
Coal Close UpCoal through a microscope Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock. AmmoliteAmmolite Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites. 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. RocksRocks Rocks - Galleries of igneous, sedimentary and metamorphic rock photos with descriptions. VolcanoesVolcanoes Volcanoes - Articles about volcanoes, volcanic hazards and eruptions past and present.
What is Geology?What is Geology? What is Geology? - The study of Earth materials, structures, processes and life over time. San Andreas FaultSan Andreas Fault The San Andreas Fault - A feature that separates the Pacific and North American Plates. GraniteGranite Granite - The intrusive igneous rock that underlies continents and countertops.
Record LightningLake Maracaibo Lightning World Record Lightning - this lake has more lightning than any other place in the world. Homeowners InsuranceHomeowners Insurance Homeowners Insurance usually does not cover the most common geologic hazards. What Is The Moho?What Is The Moho? What Is The Moho? The Mohorovicic Discontinuity is the mantle/crust boundary.
Bear MapBear Map Range of Bear Species - Where you might encounter different types of bears. Gem SilicaGem Silica Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony. Asteroid Impact MapAsteroid Impact Map Asteroid Impact Map - Explore fifty of the most obvious asteroid impact craters on Earth.
Ant Hill GarnetsAnt Hill Garnets Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest! 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
OlivineOlivine Olivine - Abundant in Earth*s mantle. A constituent of meteorites. The gem peridot. Bear AttacksBear Attacks Bear Attacks - Knowing how to react to a bear encounter or attack could save your life. Sliding RocksSliding Rocks Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley?
Quartzitequartzite Quartzite is metamorphic rock formed when sandstone is subjected to heat and pressure. Teacher ResourcesTeacher Resources Teacher Resources - K-12 resources for teaching about earth science. Deepest LakeDeepest Lake in the World Deepest Lake in the World Lake Baikal in southern Russia is the deepest lake in the World.
Geology ToolsGeology Tools Geology Tools Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans. Types Of EruptionsTypes Of Eruptions Types of Volcanic Eruptions - A description of the most common eruption types. Ruby and Sapphireruby and sapphire Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States.
Great Rift ValleyGreat Rift Valley The East Africa Rift System - The extensive fault system that is tearing Africa apart. The Acid TestThe Acid Test The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals. Geology of Heliumhelium Helium is a byproduct of the natural gas industry. Its most important use is in MRI.
TurquoiseTurquoise Turquoise - A bluish-green gem material that has been used for over 6000 years. Rock TumblersRock Tumblers Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler. What are Glaciers?What are Glaciers? What are Glaciers? Learn how glaciers form, flow, advance, retreat, and change over time.
Dowsingdowsing Dowsing is a method used to find underground water that is rejected by most geologists. Fluorescent MineralsFluorescent Minerals Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light. CorundumCorundum Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
MisconceptionDiamonds from Coal Diamond Misconception - Many people think that diamonds form from coal. Not True! RhodochrositeRhodochrosite Rhodochrosite - a manganese mineral used as an ore, a pink gem and an ornamental stone. RhodoniteRhodonite Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone.
MineraloidsMineraloids Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity. USA Landslide MapLandslides Landslide Incidence Map - A USGS map showing landslide incidence in the United States. 100+ Gemstonescolored stones 100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Largest VolcanoesLargest Volcanoes Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado. What is a Geyser?What is a Geyser? What is a Geyser? Photos and information about geysers in many parts of the world. Red BerylRed Beryl Red Beryl is one of the rarest gems. Small amounts are mined at one locality in Utah.
Volcanic ExplosivityVolcanic Explosivity Volcanic Explosivity - Rating volcanic eruptions based upon the volume of tephra ejected. TourmalineTourmaline Tourmaline - the most colorful mineral and natural gem material on Earth. Field CoursesField Camps Field Courses - Over 80 field courses for undergraduate geology students.
Azurite GraniteK2 Granite Azurite Granite ? A white granite with blue orbs of azurite. A new material from Pakistan. Mineral HardnessMohs Hardness Test Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing. SoapstoneSoapstone Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects.
MeteoritesMeteorites Meteorites - Rocks that were once parts of planets or large asteroids. Plate TectonicsPlate Tectonics Plate Tectonics - Articles and maps about plate tectonics and the interior of Earth. Facts About CopperCopper Facts About Copper - Information about copper uses, production, resources and more.
EmeraldEmerald Emerald is the most popular green gemstone in the United States and most of the world. Cave of the HandsCave of the Hands Cave of the Hands is a cave where ancient people painted hands about 9000 years ago. 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. Hardness Pickshardness picks Hardness Picks - Mohs hardness testing with precise and easy-to-use hardness picks. Kyanitekyanite Kyanite is a metamorphic mineral used to make porcelain, abrasive products and gems.
Watch out for Ticks!ticks Ticks are a problem for geologists in some areas. Learn to recognize and avoid them. SandSand Sand is a diverse material. This gallery includes photos of sand from around the world. ChalcopyriteChalcopyrite Chalcopyrite - The most important ore of copper for over five thousand years.
RhyoliteRhyolite Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma. June 6, 1912Novarupta June 6, 1912 - The most powerful volcanic eruption of the 20th century. AzuriteAzurite Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material.
What is a Maar?What is a Maar? What is a Maar? The second most common volcanic landscape feature on Earth. Oil Fields from Spacenatural gas flaring Oil Fields from Space - Night views of Earth show the distribution of oil field activity. San Andreas Fault MapSan Andreas Fault Map Google Map of the San Andreas Fault Zoom in to see the fault trace on satellite images.
Lightning Strikes MapLightning Strikes Map Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity. US Diamond MinesUS Diamond Mines US Diamond Mines - Did you know that diamonds have been mined in the United States? HematiteHematite on Mars Hematite - The most important ore of iron. A source of mineral pigment since prehistory.
Expansive SoilExpansive Soil Expansive Soil Causes more damage than floods, hurricanes & tornadoes combined. UV Mineral LampUV Mineral Lamp Portable UV Lamp - Short and long wave UV for fluorescent mineral viewing. Earthquake MapsCalifornia Earthquake Maps California Earthquake Maps A collection of isoseismal maps for earthquakes in California.
Huge Diamond DepositPopigai Diamonds The Largest Diamond Deposit in the world could be under Popigai Crater in Russia. Gold PansGold Pans Gold Pans and Panning Kits - classifiers, snuffer bottles. Pans sized for kids to Goliath. Arctic Seafloor MapArctic Ocean Seafloor Map Arctic Ocean Seafloor Map The ridges, basins, shelves and rifts defining the Arctic seafloor.
Crushed StoneCrushed Stone Crushed Stone - About four tons per person is used each year 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. Mount ClevelandMount Cleveland Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.
Salt DomesSalt Domes Salt Domes - Salt structures that are often associated with oil and natural gas accumulations. Pavlof VolcanoPavlof Volcano Pavlof Volcano - one of the most active volcanoes in North America and threat to air traffic. Tallest TsunamiTallest Tsunami Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska.
Antarctic Meteoriteshunting meteorites in Antarctica The Richest Meteorite Field - More meteorites found here than anywhere else on Earth. 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! Oil and GasOil and Gas Oil and Gas - Articles about oil and natural gas in the US and around the world. Largest EarthquakeLargest Earthquake Largest Earthquake ever recorded - Magnitude 9.5. Chile, 1960.
     
Geology in the News
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
How Mars Got Its Layered North Polar Cap
February 13 | EOS Earth and Space Science News
Integrating Topographic Imaging into Geoscience Field Courses
February 13 | EOS Earth and Space Science News
80+ Geology Field Courses
February 13 | Geology.com
Gas Bulls: Here Comes the Monster
February 12 | Bloomberg Business
Video: Rubies from Montepuez, Mozambique
February 12 | Gemological Institute of America on YouTube
Earthquake Kills at Least 6 in the Philippines
February 11 | The New York Times
NASA*s Earth Minute: Greenland Ice
February 11 | NASA on YouTube
Gas Hydrate Breakdown Unlikely to Cause Massive Greenhouse Gas Release
February 11 | United States Geological Survey
What Are Gas Hydrates?
February 11 | Geology.com
M5.6 Earthquake - Southwestern Taiwan
February 10 | United States Geological Survey
Argentina Hopes Shale Gas Production Will Reduce Imports
February 10 | Energy Information Administration
M6.5 Earthquake - Mindanao, Philippines
February 10 | United States Geological Survey
A Mission to Land on Europa Takes Shape
February 10 | Popular Mechanics
Life on Europa?
February 10 | Geology.com
NASA*s Earth Minute: Sea Level Rise
February 10 | NASA on YouTube
Video: NASA Peers Into the Greenland Ice Sheet
February 10 | NASA on YouTube
Map of Greenland
February 10 | Geology.com
Appalachian HGL Is Leaving by Rail
February 10 | Energy Information Administration
Hindle Glacier Rapid Retreat Continues, South Georgia
February 9 | From a Glacier*s Perspective
Biogenic Oxygen on the Moon Could Hold Secrets to Earth*s Past
February 9 | EOS Earth and Space Science News
U.S. Coal Production and Coal-Fired Power Expected to Rise Near Term
February 8 | Energy Information Administration
Antarctic Bottom Waters Freshening at Unexpected Rate
February 8 | National Science Foundation
NSF Video Series: The Human Water Cycle
February 8 | National Science Foundation
Exceptionally Preserved Jurassic Sea Life Site Discovered in Canada
February 8 | The University of Texas at Austin
How Carnivorous Plants Acquired a Taste for Meat
February 8 | University at Buffalo
How Did Our Planet Get Its Water?
February 8 | Water Underground
Volcanic Breccia - Eastern Shetland
February 8 | Mountain Beltway
Columbia Glacier, Alberta: 3 km Retreat 1986-2015
February 8 | From a Glacier*s Perspective
What is a Glacier?
February 8 | Geology.com
Initiative Aims to Help Cut Losses from Extreme Weather Events
February 8 | EOS Earth and Space Science News
International Effort Tackles Landslide Hazards to Keep the Peace
February 8 | EOS Earth and Space Science News
ExxonMobil Adds Climate Expert to Its Board
February 7 | EOS Earth and Space Science News
Bova Marina - Retaining Wall Failure
February 7 | The Landslide Blog
Manganese is Energy Critical
February 7 | Mining.com
Deep Drilling Reveals Puzzling History of Campi Flegrei Caldera
February 7 | EOS Earth and Space Science News
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