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What is LNG?What is LNG? What is LNG? The use of LNG as an energy source is growing rapidly. Learn more about LNG. Hardness Pickshardness picks Hardness Picks - Mohs hardness testing with precise and easy-to-use hardness picks. Coal Close UpCoal through a microscope Coal Through a Microscope - Coal is more than a black rock. It is THE most interesting rock.
RocksRocks Rocks - Galleries of igneous, sedimentary and metamorphic rock photos with descriptions. Crushed StoneCrushed Stone Crushed Stone - About four tons per person is used each year in the United States. Methane HydrateMethane Hydrate Methane Hydrate deposits contain more fuel value than all other fossil fuels combined.
GemstonesGemstones Gemstones - Colorful images and articles about diamonds and colored stones. HematiteHematite on Mars Hematite - The most important ore of iron. A source of mineral pigment since prehistory. The Brewery Rock ?diatomite The Rock Used to Make Beer - Geologists are beer experts and should know about this rock.
Rock ArtRock Art Rock Art - People have been marking on rocks for thousands of years. AzuriteAzurite Azurite - Used as an ore of copper, a pigment, ornamental stone and gem material. Hand LensHand Lens Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Google Earth - FreeDownload Google Earth Free Free Google Earth software allows you to browse seamless world satellite images. Free. Ant Hill GarnetsAnt Hill Garnets Ant Hill Garnets are tiny garnets that ants haul to the surface and discard on their anthill. Honest! 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. Land Below Sea LevelLand Below Sea Level Land Below Sea Level - Did you know that dozens of land locations are below sea level? Rare Earth ElementsRare Earth Elements Rare Earths - Special materials used in electronics, defense, medical & many other products.
Earthquake MapsCalifornia Earthquake Maps California Earthquake Maps A collection of isoseismal maps for earthquakes in California. Asteroid Impact MapAsteroid Impact Map Asteroid Impact Map - Explore fifty of the most obvious asteroid impact craters on Earth. Azurite GraniteK2 Granite Azurite Granite ? A white granite with blue orbs of azurite. A new material from Pakistan.
Volcanic ExplosivityVolcanic Explosivity Volcanic Explosivity - Rating volcanic eruptions based upon the volume of tephra ejected. World Record LightningLake Maracaibo Lightning World Record Lightning - Lake Maracaibo has more lightning than any other place in the world. Canadian DiamondsCanadian Diamonds Canadian Diamond Mines produce some of the largest and highest quality gems!
Geology of GemsGeology of Gems Geology of Gems - The first comprehensive book on the geology of gem deposits. Hydraulic FracturingHydraulic Fracturing Hydraulic Fracturing - Increases well yield by fracturing the reservoir rock with fluid injection. San Andreas FaultSan Andreas Fault The San Andreas Fault - A feature that separates the Pacific and North American Plates.
Tanzanitetanzanite Tanzanite was unknown until a few decades ago but it has erupted into wide popularity. Geology ToolsGeology Tools Geology Tools - Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans. Sliding RocksSliding Rocks Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley?
Crater of DiamondsCrater of Diamonds Crater of Diamonds - The only diamond mine in the world where you can be the miner. Sea Level Rise MapsSea Level Rise Maps Sea Level Rise Maps - See what will be flooded as sea level rises. What Is Earth Science?What Is Earth Science? What Is Earth Science? The study of Earth and its neighbors in space. Learn more!
TurquoiseTurquoise Turquoise - A bluish-green gem material that has been used for over 6000 years. Facts About CopperCopper Facts About Copper - Information about copper uses, production, resources and more. Lightning Strikes MapLightning Strikes Map Lightning Strikes Map - A NASA map showing the worldwide distribution of lightning activity.
Abandoned MinesAbandoned Mines Abandoned Mine accidents take 20 to 30 lives per year. Many can be prevented with education. Tallest TsunamiTallest Tsunami Tallest Tsunami - A wave with a run-up height of 1720 feet occurred in Lituya Bay, Alaska. 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. Bear AttacksBear Attacks Bear Attacks - Knowing how to react to a bear encounter or attack could save your life. Wall MapsWall Maps Wall Maps - Wall maps of the world, continents, states and the USA.
Mount VesuviusMount Vesuvius Mount Vesuvius - geology, history, maps, facts and more about the Vesuvius eruptions. ObsidianObsidian Obsidian - the volcanic rock that cools so quickly that it becomes a natural glass. Great Rift ValleyGreat Rift Valley The East Africa Rift System - The extensive fault system that is tearing Africa apart.
PeridotitePeridotite Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink. GarnetGarnet Garnet is best known as a red gemstone. It occurs in any color and has many industrial uses. MisconceptionDiamonds from Coal Diamond Misconception - Lots of people think that diamonds form from coal. Not True!
Mount EtnaMount Etna Mount Etna - The most active volcano in Europe continues an eruption that started in 2001. Homeowners InsuranceHomeowners Insurance Homeowners Insurance usually does not cover the most common geologic hazards. Dowsingdowsing Dowsing is a method used to find underground water that is rejected by most geologists.
UV Mineral LampUV Mineral Lamp Portable UV Lamp - short / long wave for fluorescent minerals. Safety glasses included. Quartzitequartzite Quartzite is metamorphic rock formed when sandstone is subjected to heat and pressure. Mount ClevelandMount Cleveland Mount Cleveland is an active volcano in the Aleutian Islands and a threat to air traffic.
Blue FlamesBlue Flames Blue Flames and the largest highly acidic lake in the world at Kawah Ijen Volcano. What Is The Moho?What Is The Moho? What Is The Moho? Learn about the Mohorovicic Discontinuity - the mantle/crust boundary. 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. Lapis LazuliLapis Lazuli Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history. Gems from SpaceGems from Space Extraterrestrial Gems - A number of materials from space are used as attractive gems.
SandSand Sand is a diverse material. This gallery includes photos of sand from around the world. USA Landslide MapLandslides Landslide Incidence Map - A USGS map showing landslide incidence in the United States. SunstoneSunstone Sunstone is a gem feldspar with aventurescence caused by light reflecting from platy inclusions.
Arctic Seafloor MapArctic Ocean Seafloor Map Arctic Ocean Seafloor Map The ridges, basins, shelves and rifts defining the Arctic seafloor. Gfeller LeatherGfeller Leather Cases Gfeller Leather field cases, hammer holsters, lanyards, field belts, acid bottle cases, more. Pavlof VolcanoPavlof Volcano Pavlof Volcano is one of the most active volcanoes in North America and a threat to air traffic.
MeteoritesMeteorites Meteorites - Rocks that were once parts of planets or large asteroids. Watch out for Ticks!ticks Ticks are a problem for geologists in some areas. Learn to recognize and avoid them. GraniteGranite Granite - The intrusive igneous rock that underlies continents and countertops.
CorundumCorundum Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire. Teacher ResourcesTeacher Resources Teacher Resources - K-12 resources for teaching about earth science. Bear MapBear Map Range of Bear Species - Where you might encounter different types of bears.
Rock KitsRock Kits Rock Kits for classroom and personal study. A great way to learn about rocks. Petrified WoodPetrified Wood Petrified Wood is a fossil that forms when dissolved material preciptates and replaces wood. US Diamond MinesUS Diamond Mines US Diamond Mines - Did you know that diamonds have been mined in the United States?
The Acid TestThe Acid Test The Acid Test - Geologists use dilute hydrochloric acid to identify carbonate minerals. Rock BagsRock Bags Rock Bags - Durable field bags with pockets for carrying maps, books, specimens and tools. ShaleShale Shale - The rock that has quickly transformed the oil and gas industry.
Mineral HardnessMohs Hardness Test Mohs Hardness Scale is a set of reference minerals used for classroom hardness testing. Gold PansGold Pans Gold Pans and Panning Kits - classifiers, snuffer bottles. Pans sized for kids to Goliath. What is Geology?What is Geology? What is Geology? - The study of Earth materials, structures, processes and life over time.
LabradoriteLabradorite Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-colors Fluorescent MineralsFluorescent Minerals Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light. Huge Diamond DepositPopigai Diamonds The Largest Diamond Deposit in the world could be under Popigai Crater in Russia.
Rock GlaciersRock Glaciers Rock Glaciers - Masses of rock, ice, snow, mud and water that slowly flow down slope. Expansive SoilExpansive Soil Expansive Soil Causes more damage than floods, hurricanes & tornadoes combined. Rocks on MarsRocks on Mars Rocks on Mars - Many of the rocks found on Mars are not very different from Earth rocks.
Types Of EruptionsTypes Of Eruptions Types of Volcanic Eruptions - A description of the most common eruption types. Gem SilicaGem Silica Gem Silica is a blue chalcedony colored by copper. It is the rarest and most valuable chalcedony. Antarctic Meteoriteshunting meteorites in Antarctica The Richest Meteorite Field - More meteorites found here than anywhere else on Earth.
Red BerylRed Beryl Red Beryl is one of the rarest gems. Small amounts are mined at one locality in Utah. RhodoniteRhodonite Rhodonite - a manganese silicate used as a minor ore of manganese and as a gemstone. RhyoliteRhyolite Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma.
SoapstoneSoapstone Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects. Tallest MountainTallest Mountain Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth. Salt DomesSalt Domes Salt Domes - Salt structures that are often associated with oil and natural gas.
MineraloidsMineraloids Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity. Frac SandFrac Sand Frac Sand - The amount of frac sand produced in the USA is up by over 300% since 2009. What is a Maar?What is a Maar? What is a Maar? The second most common volcanic landscape feature on Earth.
Uses of MarbleUses of Marble The Uses of Marble are numerous and diverse. You will be surprised by how it is used. Chatoyant GemsChatoyant Gems Chatoyant Gems look like the eye of a cat. A line of light moves across the surface of the stone. Mineral RightsMineral Rights Mineral Rights Who owns the minerals under your land? Who wants to buy them?
Olivine Rain?Olivine Rain? Olivine Rain? Spitzer Telescope discovered a rain of olivine crystals on protostar HOPS-68. Oil Fields from Spacenatural gas flaring Oil Fields from Space - Night views of Earth show the distribution of oil field activity. What is a Geyser?What is a Geyser? Photos of Geysers from around the world with information about height, eruption interval, more.
Largest VolcanoesLargest Volcanoes Largest Volcano - That title is shared by Tamu Massif, Mauna Kea and Ojos del Salado. Horizontal DrillingHorizontal Drilling Horizontal Drilling has opened new resources and significantly improved productivity. 100+ Gemstonescolored stones 100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Fire OpalFire Opal Fire Opal is a transparent to translucent opal with a yellow, orange or red background color. DiamondsDiamonds Diamonds - Learn about the properties of diamond, its many uses and diamond discoveries. Plate TectonicsPlate Tectonics Plate Tectonics - Articles and maps about plate tectonics and the interior of Earth.
FossilsFossils Fossils - Learn about fossils and discoveries around the world. OpalsOpal Pictures of Opal - A collection of different types of opal from all around the world and Mars too! Rock TumblersRock Tumblers Rock Tumblers - All about rock tumblers and rock tumbling. Read before you buy a tumbler.
Fee Mining SitesFee Mining Fee Mining sites are mines that you can enter, pay a fee, and keep anything that you find. MineralsMinerals Minerals - Descriptions, photos, articles, properties and uses for common minerals. Largest EarthquakeLargest Earthquake Largest Earthquake ever recorded - Magnitude 9.5. Chile, 1960.
Deepest LakeDeepest Lake in the World Deepest Lake in the World Lake Baikal in southern Russia is the deepest lake in the World. Ruby and Sapphireruby and sapphire Ruby and Sapphire are the 2nd and 3rd most popular colored stones in the United States. Oil and GasOil and Gas Oil and Gas - Articles about oil and natural gas in the US and around the world.
VolcanoesVolcanoes Volcanoes - Articles about volcanoes, volcanic hazards and eruptions past and present. AmmoliteAmmolite Ammolite is a fossil and a gemstone. It is shell material from fossil ammonites. Wrong Volcano!Novarupta Wrong Volcano! The most powerful eruption of the 20th century was misidentified?
     
Geology in the News
U.S. Geoscience Enrollments Grow, Degrees Slide in 2015
May 31 | American Geosciences Institute
Where is Nigeria?
May 31 | Geology.com
Where is the Southern Ocean?
May 31 | Geology.com
Streamlining Rapid Tsunami Forecasting
May 31 | EOS Earth and Space Science News
Video: Monitoring Volcanoes Using ASTER Satellite Imagery
May 31 | United States Geological Survey on YouTube
Interactions Between Pluto and the Solar Wind Are Unique
May 30 | EOS Earth and Space Science News
Pulling Water Out of Thin Air
May 30 | USGS on YouTube
Did Solar Flares Cook Up Life on Earth?
May 29 | EOS Earth and Space Science News
Coal Through a Microscope
May 29 | Geology.com
Expected Track of Tropical Storm Bonnie
May 29 | NOAA National Hurricane Center
Evidence of an Extinct Ocean Basin Beneath Greenland
May 28 | EOS Earth and Space Science News
Ocean Floor Networks Capture Low-Frequency Earthquake Event
May 28 | EOS Earth and Space Science News
Alberta Carbon Tax: What Remains Unknown
May 28 | CBC/Radio-Canada
More Ships Powered by LNG Are Being Built
May 27 | Energy Information Administration
Basalt Flows from the Eastern Rift Zone of Kilauea
May 27 | USGS Hawaiian Volcano Observatory
What is Basalt?
May 27 | Geology.com
Natural Gas Consumption Growth (Historical and Projected)
May 26 | Energy Information Administration
Where is the Barents Sea?
May 26 | Geology.com
Fort McMurray Wildfire Still Burns
May 25 | NASA Earth Observatory
Southern States Lead Growth in Biomass Electricity Generation
May 25 | Energy Information Administration
Flooding in Glacier National Park
May 25 | Missoulian.com
U.S. Was Top Oil and Gas Producer in 2015
May 25 | Washington Examiner
Video: MyShake App Demonstration
May 25 | UC Berkeley on YouTube
Free Printable Graph Paper and Maps
May 25 | WaterproofPaper.com (affiliated with Geology.com)
Video: Simulating the Formation of Submarine Canyons
May 24 | American Geophysical Union on YouTube
All About Volcanic Ash
May 24 | Geology.com
What an Earthquake Does to a Building
May 24 | Popular Mechanics
The Rock Used to Make Beer
May 24 | Geology.com
A Man-Made Meteor Shower?
May 23 | Forbes
What Causes Meteor Showers?
May 23 | Geology.com
Sinabung Eruption Kills Seven in Indonesia
May 23 | San Francisco Chronicle
Tsunamis Splashed Ancient Mars
May 23 | EOS Earth and Space Science News
Where Is Bangladesh?
May 22 | Geology.com
Satellite Radar to Observe the Changing Surface of Earth
May 22 | EOS Earth and Space Science News
High Energy Growth, Fossil Fuel Dependence Forecast Through 2040
May 22 | EOS Earth and Space Science News
Nile Crocodiles Found in Florida
May 22 | National Public Radio
Mars is Easy To Spot This Weekend
May 21 | National Public Radio
Comet with Stunted Tail Hints at How Solar System Formed
May 21 | EOS Earth and Space Science News
Understanding Volcanic Eruptions Where Plates Meet
May 21 | EOS Earth and Space Science News
Hydropower Conditions Improve as West Coast Drought Eases
May 20 | Energy Information Administration
Sabine Pass LNG Terminal Begins Commercial Operations
May 20 | Energy Information Administration
What is LNG?
May 20 | Geology.com
Mount St. Helens: The Volcano Today
May 20 | The Seattle Times
Diamonds in Canada?
May 20 | Geology.com
Angola Oil and Natural Gas Report
May 20 | Energy Information Administration
Where Is Angola?
May 20 | Geology.com
Treatments That Can Change the Color of a Diamond
May 19 | Gemological Institute of America
GSA Critical Issue: Induced Seismicity
May 19 | The Geological Society of America
GSA Critical Issue: Hydraulic Fracturing
May 19 | The Geological Society of America
Where is Sri Lanka?
May 18 | Geology.com
Life on Europa?
May 18 | Geology.com
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